Conversion for Non-Austenitic Steel, Table 1. Approximate Hardness: Features: Carbon Steel: 900 F (500 C) 90 to 120 HB: Material frequently used in manufacturing jacketed gaskets and Ring Joints. such as 316L or 304L, have carbon contents below 0.03% and are used to avoid corrosion problems caused by welding. Hardness; Rockwell B (HR B) max Brinell (HB) max; 304: 515: 205: 40: 92: 201: 304L: 485: 170: 40: 92: 201: 304L Stainless Steel Chequered Sheets, Check Stainless Steel 321 Chequered Plate at reasonable price list. It is the standard 18/8 stainless that is commonly found in pans and cooking tools. Missing is density, hardness, thermal conduction, etc.. You can help by adding to it. Suitable for bonding to metal or MDF, save money using G-Tex Cold Rolled Treadplate. 1 If it is a stainless nut, then this number will indicate the Nut Proof Stress rather than the Minimum Tensile Strength. 4140 Low-Alloy Steel. AISI 304L stainless steel is an ultra-low carbon version of SS 304 (Carbon content: 0.08 %). This article will introduce the differences between 304 and 304L stainless steel (304 vs 304L) from chemical composition, mechanical properties, corrosion resistance and weldability. Sandmeyer Steel Company stocks Alloy 904L stainless steel plate in thicknesses from 3/16 of an inch through 2 inches. can we used 310 s filler wire for welding of SS 304L & 310s. 304L Stainless Steel One of the most frequently used austenitic alloys in the stainless steel family. 18/8 stainless steel is also konwn as 304 stainless steel, it refers to the chemical composition of steel containing 18% chromium (Cr) and 8% nickel (Ni). Call 833-327-8685 (833-FASTMTL) 0 0. Unlike austenite such as AISI 304 and AISI 316 , martensite such as grade 410 is magnetic and can be hardened by heat treatment like carbon steel and low alloy steel. Grade 310 is a medium carbon austenitic stainless steel, for high temperature applications such as furnace parts and heat treatment equipment. Material. S3P treated materials show higher levels of hardness, resulting in improved wear resistance. These steels can be divided into three groups based on their crystalline structure: Austenitic: Austenitic steels are non-magnetic and non-heat-treatable, and generally contain 18% chromium, 8% nickel and less than 0.8% carbon. Studio 1 Shop 1 X-Series 1 Production System 1. 316L Stainless Steel. high chromium, corrosion-resistant alloy. 304/304L Stainless Angle, is a hot rolled stainless angle shape with inside radius corners that is ideal for all structural applications where greater strength and superior corrosion resistance is required. AISI 304 Stainless Steel (UNS S30400, SS 304) AISI 304 stainless steel (UNS S30400) is the most widely used stainless steel, containing 18-20% Cr and 8-10.5% Ni, and also known as 18-8 stainless steel.SS 304 is non-magnetic under annealing conditions, but after cold working (such as stamping, stretching, bending, rolling), part of the austenite structure may be converted into With over 11% chromium, steel is about 200 times more resistant to corrosion than mild steel. 2 Specifics vary based on specification used. high chromium, corrosion-resistant alloy. Sandmeyer Steel Company stocks Alloy 904L stainless steel plate in thicknesses from 3/16 of an inch through 2 inches. Works With. Alloy 304L a T-300 series stainless steel austenitic, which has a minimum of 18% chromium and 8% nickel. stress corrosion cracking has often been a barrier to utilizing 304L, 316L, or 317L. It contains about 12% Cr and therefore provides moderate corrosion resistance. Call 833-327-8685 (833-FASTMTL) Choose from over 375 17-4 PH stainless steel products in a wide range of sizes. 304 steel has a Rockwell B hardness of 70; for reference, the Rockwell B hardness of copper, a soft metal, is 51. Material. Alloy 304L a T-300 series stainless steel austenitic, which has a minimum of 18% chromium and 8% nickel. These steels can be divided into three groups based on their crystalline structure: Austenitic: Austenitic steels are non-magnetic and non-heat-treatable, and generally contain 18% chromium, 8% nickel and less than 0.8% carbon. Produced using Cold Rolled Stainless Steel Sheet in Grades 304 316 430 & Galvanised sheet, G-Tex can now offer a weight & cost saving Treadplate option. ), 304 is enough, and 316 is better than 304. Call 833-327-8685 (833-FASTMTL) Stainless Steel Angle 304/304L; Stainless Steel Flat Bar 304/304L (True Bar) Stainless Steel Flat Bar 316/316L (True Bar) Stainless Steel Pipe 304/304L; Hardness Conversion Table for Carbon and Alloy Steels; Blog; Fast Quote My Account; Cart ; Got a Question? What is 18/8 Stainless Steel. A comparison of surface hardness before and after Bodycotes Kolsterising (S3P) treatment. Sandmeyer Steel Company stocks Alloy 310/310S, a multi-purpose austenitic heat resistant stainless steel with oxidation resistance under mildly cyclic conditions to 2010F. Stainless Steel Angle 304/304L; Stainless Steel Flat Bar 304/304L (True Bar) Stainless Steel Flat Bar 316/316L (True Bar) Stainless Steel Pipe 304/304L; Hardness Conversion Table for Carbon and Alloy Steels; Blog; Fast Quote My Account; Cart ; Got a Question? In the 1930s and 1940s, the American Iron and Steel Institute (AISI) and SAE were both involved in efforts to standardize such a numbering system for steels. Material. can we used 310 s filler wire for welding of SS 304L & 310s. For most food industries (such as vegetables, rice, noodles, dairy products, etc. Corrosion Resistance Table of Stainless Steel Nickel Monel Inconel. Stainless Steel Angle 304/304L; Stainless Steel Flat Bar 304/304L (True Bar) Stainless Steel Flat Bar 316/316L (True Bar) Stainless Steel Pipe 304/304L; Hardness Conversion Table for Carbon and Alloy Steels; Blog; Fast Quote My Account; Cart ; Got a Question? While regular steel does have enhanced properties of strength and hardness due to their chromium metal content, they are not as strong or as hard as stainless steel metal. Stainless Steel Hardness Chart According to ASME SA213/SA213M, ASTM A370, ASME SA789 304L Stainless Steel Tubes; 304H Stainless Steel Pipe; 304 / 304L Stainless Steel Tubing; 305 1.4303 Stainless Steel Pipes and Tubes; 309S Stainless Steel Pipe; 310S Stainless Steel Pipe; Works With. We are ISO approved manufacturer of stainless steel chequered plate, stainless 316 chequer sheet, SS 304 chequered plate. Unlike austenite such as AISI 304 and AISI 316 , martensite such as grade 410 is magnetic and can be hardened by heat treatment like carbon steel and low alloy steel. Alloys 304L is the most versatile and widely used alloy in the stainless steel family. Stainless steel types 304 and 304L. 24/7 Service: +1-215-464-7100 304L stainless steel plate has a minimum tensile strength of 70 ksi and a yield strength at 0.2% of 25 ksi. Unlike austenite such as AISI 304 and AISI 316 , martensite such as grade 410 is magnetic and can be hardened by heat treatment like carbon steel and low alloy steel. ASTM alloy group 1 austenitic may indicate 304, 304L, 305, 384, or XM7. We are suppliers of 304 and 304L Stainless Steel in a wide range of bar, flat, sheet, plate, angle and seamless tubing and pipes. Reliable local and nationwide delivery. Call 833-327-8685 (833-FASTMTL) Table 2: Austenitic, Super-Austenitic and Duplex Stainless Steel Alloys Base Metal 304L SS 304H SS 316L SS Carbon and Low 317L SS 904L SS 6% Mo SS 7% Mo SS Alloy 20Cb-3 2304 Duplex SS 2205 Duplex SS Alloy Steel ABC ABC ABC ABC ABC ABC ABC ABC N N Type 304L Stainless Steel D DE DF DG DC C C DCH NL NL Type 304H Stainless Steel E EF EG * * * AISI 304 Stainless Steel (UNS S30400, SS 304) AISI 304 stainless steel (UNS S30400) is the most widely used stainless steel, containing 18-20% Cr and 8-10.5% Ni, and also known as 18-8 stainless steel.SS 304 is non-magnetic under annealing conditions, but after cold working (such as stamping, stretching, bending, rolling), part of the austenite structure may be converted into (MPa) % (min.) 304/304L Stainless Angle, is a hot rolled stainless angle shape with inside radius corners that is ideal for all structural applications where greater strength and superior corrosion resistance is required. 1) Hardness Conversion Calculator for metals according to ASTM E140 - 12,Standard Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, Scleroscope Hardness, and Leeb Hardness. such as 316L or 304L, have carbon contents below 0.03% and are used to avoid corrosion problems caused by welding. stress corrosion cracking has often been a barrier to utilizing 304L, 316L, or 317L. AISI 410 stainless steel is one of the most commonly used martensitic stainless steels. Works With. In the 1930s and 1940s, the American Iron and Steel Institute (AISI) and SAE were both involved in efforts to standardize such a numbering system for steels. While regular steel does have enhanced properties of strength and hardness due to their chromium metal content, they are not as strong or as hard as stainless steel metal. It is the standard 18/8 stainless that is commonly found in pans and cooking tools. 18/8 stainless steel is also konwn as 304 stainless steel, it refers to the chemical composition of steel containing 18% chromium (Cr) and 8% nickel (Ni). The accuracy of the conversion 304 Stainless Steel. What is 18/8 Stainless Steel. Call 833-327-8685 (833-FASTMTL) Stainless Steel Angle 304/304L; Stainless Steel Flat Bar 304/304L (True Bar) Stainless Steel Flat Bar 316/316L (True Bar) Stainless Steel Pipe 304/304L; Hardness Conversion Table for Carbon and Alloy Steels; Blog; Fast Quote My Account; Cart ; Got a Question? Sandmeyer Steel Company stocks Alloy 904L stainless steel plate in thicknesses from 3/16 of an inch through 2 inches. Rockwell Brinell Vickers Shore Hardness Conversion Chart Conversion Calculator 304L Stainless Steel Pipe 304H Stainless Steel Pipe 304/304L Stainless Steel Tubing 309S Stainless Steel Pipe (max.) Stainless Steel Angle 304/304L; Stainless Steel Flat Bar 304/304L (True Bar) Stainless Steel Flat Bar 316/316L (True Bar) Stainless Steel Pipe 304/304L; Hardness Conversion Table for Carbon and Alloy Steels; Blog; Fast Quote My Account; Cart ; Got a Question? X-Series 1. These steels can be divided into three groups based on their crystalline structure: Austenitic: Austenitic steels are non-magnetic and non-heat-treatable, and generally contain 18% chromium, 8% nickel and less than 0.8% carbon. Material. It can be considered either a high hardness 440C stainless steel or a corrosion-resistant D2 tool steel. Type 304 steel also comes into three main varieties: 304, 304L but to what degree depends on how it compares to other metals on the same scale. 0 0. Reply. Hardness; Rockwell B (HR B) max Brinell (HB) max; 304: 515: 205: 40: 92: 201: 304L: 485: 170: 40: 92: 201: 304L Stainless Steel Chequered Sheets, Check Stainless Steel 321 Chequered Plate at reasonable price list. Suitable for bonding to metal or MDF, save money using G-Tex Cold Rolled Treadplate. Produced using Cold Rolled Stainless Steel Sheet in Grades 304 316 430 & Galvanised sheet, G-Tex can now offer a weight & cost saving Treadplate option. 304L stainless steel plate has a minimum tensile strength of 70 ksi and a yield strength at 0.2% of 25 ksi. Ferritic The steel containing 18% chromium and 8% nickel includes 304 and its variants 304L, 304N and 304LN. 304L Stainless Steel One of the most frequently used austenitic alloys in the stainless steel family. CrMo/CrMoV Series. It can be considered either a high hardness 440C stainless steel or a corrosion-resistant D2 tool steel. 1 If it is a stainless nut, then this number will indicate the Nut Proof Stress rather than the Minimum Tensile Strength. Sandmeyer Steel Company has an extensive inventory of 2205 stainless steel plate, a designer can save weight and make alloy more cost competitive when compared 316l or 317l. ISO alloy group 1 for austenitic indicates 18-8 with sulfur added for machining. Stainless steel is an alloy of iron that is resistant to rusting and corrosion. ISO alloy group 1 for austenitic indicates 18-8 with sulfur added for machining. Type 304 is the most versatile and This article will introduce the differences between 304 and 304L stainless steel (304 vs 304L) from chemical composition, mechanical properties, corrosion resistance and weldability. Alloy 304L a T-300 series stainless steel austenitic, which has a minimum of 18% chromium and 8% nickel. Stainless steel is an alloy of iron that is resistant to rusting and corrosion. Corrosion Resistance Table of Stainless Steel Nickel Monel Inconel. We are ISO approved manufacturer of stainless steel chequered plate, stainless 316 chequer sheet, SS 304 chequered plate. Type 304L has a carbon maximum is 0.030. 4140 Low-Alloy Steel. Material. 304/ 304L; 316/316L; 316LVM; 904L; Precipitation Hardened. AISI 410 stainless steel is one of the most commonly used martensitic stainless steels. Stainless Steel Angle 304/304L; Stainless Steel Flat Bar 304/304L (True Bar) Stainless Steel Flat Bar 316/316L (True Bar) Stainless Steel Pipe 304/304L; Hardness Conversion Table for Carbon and Alloy Steels; Blog; Fast Quote My Account; Cart ; Got a Question? Reliable local and nationwide delivery. 304L stainless steel plate has a minimum tensile strength of 70 ksi and a yield strength at 0.2% of 25 ksi. Hardness RC: 32 max. Hardness; psi (min.) The premier treatment for hardening stainless steel - Bodycote. (MPa) % (min.) Brinell Hardness (HBW), 304, 304L, 316, and 316L stainless steel can be used in the food industry. The steel containing 18% chromium and 8% nickel includes 304 and its variants 304L, 304N and 304LN. AISI 304L stainless steel is an ultra-low carbon version of SS 304 (Carbon content: 0.08 %). This should be covered separately eg EN 10088-2, for stainless steel sheet or plate type products Test certificate standards and types Each of the certificate types has a reference number, which has both its content and 'validation' requirements described in the standard in Appendix A, Table A.1. Call 833-327-8685 (833-FASTMTL) (MPa) psi (min.) Type 304 is the most versatile and The premier treatment for hardening stainless steel - Bodycote. 18/8 stainless steel is also konwn as 304 stainless steel, it refers to the chemical composition of steel containing 18% chromium (Cr) and 8% nickel (Ni). Hardness (HV) (max) 225. Approximate Hardness: Features: Carbon Steel: 900 F (500 C) 90 to 120 HB: Material frequently used in manufacturing jacketed gaskets and Ring Joints. Missing is density, hardness, thermal conduction, etc.. You can help by adding to it. 2 Specifics vary based on specification used. With over 11% chromium, steel is about 200 times more resistant to corrosion than mild steel. CrMo/CrMoV Series. It contains about 12% Cr and therefore provides moderate corrosion resistance. AISI 304L stainless steel is an ultra-low carbon version of SS 304 (Carbon content: 0.08 %). Call 833-327-8685 (833-FASTMTL) Type 304L has a carbon maximum is 0.030. Stainless steel types 304 and 304L. ISO alloy group 1 for austenitic indicates 18-8 with sulfur added for machining. Hardness (HV) (max) 225. (August 2021) Conductivity. Sandmeyer Steel Company stocks Alloy 310/310S, a multi-purpose austenitic heat resistant stainless steel with oxidation resistance under mildly cyclic conditions to 2010F. (August 2021) Conductivity. Call 833-327-8685 (833-FASTMTL) CrMo/CrMoV Series. 2 Specifics vary based on specification used. Corrosion Resistance Table of Stainless Steel Nickel Monel Inconel. Type 304 steel also comes into three main varieties: 304, 304L but to what degree depends on how it compares to other metals on the same scale. AISI 410 stainless steel is one of the most commonly used martensitic stainless steels. While regular steel does have enhanced properties of strength and hardness due to their chromium metal content, they are not as strong or as hard as stainless steel metal. Studio 1 Shop 1 X-Series 1 Production System 1. In the simplest of terms, anodizing is an electrochemical process that modifies the parent materials surface hardness, reflectivity, lubricity, adhesion, light suppression, and electrical /thermal insulating properties. Conventional stainless steels such as 304L and 316L are susceptible to chloride stress corrosion cracking (SSC) under certain conditions. Sandmeyer Steel Company stocks Alloy 310/310S, a multi-purpose austenitic heat resistant stainless steel with oxidation resistance under mildly cyclic conditions to 2010F. The SAE steel grades system is a standard alloy numbering system (SAE J1086 - Numbering Metals and Alloys) for steel grades maintained by SAE International.. These efforts were similar and overlapped significantly. Sandmeyer Steel Company has an extensive inventory of 2205 stainless steel plate, a designer can save weight and make alloy more cost competitive when compared 316l or 317l. X-Series 1. Material. Conversion for Non-Austenitic Steel, Table 1. 304L is a low carbon austenitic chromium-nickel steel designed for special applications. We are ISO approved manufacturer of stainless steel chequered plate, stainless 316 chequer sheet, SS 304 chequered plate. A comparison of surface hardness before and after Bodycotes Kolsterising (S3P) treatment. In the 1930s and 1940s, the American Iron and Steel Institute (AISI) and SAE were both involved in efforts to standardize such a numbering system for steels. 304L Stainless Steel. ), 304 is enough, and 316 is better than 304. Works With. 4140 Low-Alloy Steel. Stainless Steel Angle 304/304L; Stainless Steel Flat Bar 304/304L (True Bar) Stainless Steel Flat Bar 316/316L (True Bar) Stainless Steel Pipe 304/304L; Hardness Conversion Table for Carbon and Alloy Steels; Blog; Fast Quote My Account; Cart ; Got a Question? 304L is a low carbon austenitic chromium-nickel steel designed for special applications. X-Series 1. 304L is a low carbon austenitic chromium-nickel steel designed for special applications. Rockwell Brinell Vickers Shore Hardness Conversion Chart Conversion Calculator 304L Stainless Steel Pipe 304H Stainless Steel Pipe 304/304L Stainless Steel Tubing 309S Stainless Steel Pipe Conventional stainless steels such as 304L and 316L are susceptible to chloride stress corrosion cracking (SSC) under certain conditions. Hardness; psi (min.) can we used 310 s filler wire for welding of SS 304L & 310s. 1 If it is a stainless nut, then this number will indicate the Nut Proof Stress rather than the Minimum Tensile Strength. Why use heavy, thick, expensive, unattractive Hot Rolled floorplate any more?? This type of stainless steel plate has a maximum Brinell hardness of 201 and a Rockwell B hardness of 92. Brinell Hardness (HBW), 304, 304L, 316, and 316L stainless steel can be used in the food industry. Hardness (HV) (max) 225. 316L Stainless Steel. 304 Stainless Steel. Conventional stainless steels such as 304L and 316L are susceptible to chloride stress corrosion cracking (SSC) under certain conditions. Suitable for bonding to metal or MDF, save money using G-Tex Cold Rolled Treadplate. ASTM alloy group 1 austenitic may indicate 304, 304L, 305, 384, or XM7. S3P treated materials show higher levels of hardness, resulting in improved wear resistance. Table 2: Austenitic, Super-Austenitic and Duplex Stainless Steel Alloys Base Metal 304L SS 304H SS 316L SS Carbon and Low 317L SS 904L SS 6% Mo SS 7% Mo SS Alloy 20Cb-3 2304 Duplex SS 2205 Duplex SS Alloy Steel ABC ABC ABC ABC ABC ABC ABC ABC N N Type 304L Stainless Steel D DE DF DG DC C C DCH NL NL Type 304H Stainless Steel E EF EG * * * Stainless Steel Angle 304/304L; Stainless Steel Flat Bar 304/304L (True Bar) Stainless Steel Flat Bar 316/316L (True Bar) Stainless Steel Pipe 304/304L; Hardness Conversion Table for Carbon and Alloy Steels; Blog; Fast Quote My Account; Cart ; Got a Question? Rockwell Brinell Vickers Shore Hardness Conversion Chart Conversion Calculator 304L Stainless Steel Pipe 304H Stainless Steel Pipe 304/304L Stainless Steel Tubing 309S Stainless Steel Pipe These efforts were similar and overlapped significantly. The premier treatment for hardening stainless steel - Bodycote. For most food industries (such as vegetables, rice, noodles, dairy products, etc. Type 304 steel also comes into three main varieties: 304, 304L but to what degree depends on how it compares to other metals on the same scale. Reliable local and nationwide delivery. Works With. 304 steel has a Rockwell B hardness of 70; for reference, the Rockwell B hardness of copper, a soft metal, is 51. Reply. 304 Stainless Steel. The accuracy of the conversion 304/ 304L; 316/316L; 316LVM; 904L; Precipitation Hardened. The accuracy of the conversion We are suppliers of 304 and 304L Stainless Steel in a wide range of bar, flat, sheet, plate, angle and seamless tubing and pipes. Studio 1 Shop 1 X-Series 1 Production System 1. Table 2: Austenitic, Super-Austenitic and Duplex Stainless Steel Alloys Base Metal 304L SS 304H SS 316L SS Carbon and Low 317L SS 904L SS 6% Mo SS 7% Mo SS Alloy 20Cb-3 2304 Duplex SS 2205 Duplex SS Alloy Steel ABC ABC ABC ABC ABC ABC ABC ABC N N Type 304L Stainless Steel D DE DF DG DC C C DCH NL NL Type 304H Stainless Steel E EF EG * * * Alloys 304L is the most versatile and widely used alloy in the stainless steel family. Grade 310 is a medium carbon austenitic stainless steel, for high temperature applications such as furnace parts and heat treatment equipment. This article will introduce the differences between 304 and 304L stainless steel (304 vs 304L) from chemical composition, mechanical properties, corrosion resistance and weldability. What is 18/8 Stainless Steel. This should be covered separately eg EN 10088-2, for stainless steel sheet or plate type products Test certificate standards and types Each of the certificate types has a reference number, which has both its content and 'validation' requirements described in the standard in Appendix A, Table A.1. stress corrosion cracking has often been a barrier to utilizing 304L, 316L, or 317L. 304L Stainless Steel. Grade 310 is a medium carbon austenitic stainless steel, for high temperature applications such as furnace parts and heat treatment equipment. This type of stainless steel plate has a maximum Brinell hardness of 201 and a Rockwell B hardness of 92. Why use heavy, thick, expensive, unattractive Hot Rolled floorplate any more?? Stainless steel is an alloy of iron that is resistant to rusting and corrosion. Hardness RC: 32 max. 304/304L Stainless Angle, is a hot rolled stainless angle shape with inside radius corners that is ideal for all structural applications where greater strength and superior corrosion resistance is required. Stainless Steel Hardness Chart According to ASME SA213/SA213M, ASTM A370, ASME SA789 304L Stainless Steel Tubes; 304H Stainless Steel Pipe; 304 / 304L Stainless Steel Tubing; 305 1.4303 Stainless Steel Pipes and Tubes; 309S Stainless Steel Pipe; 310S Stainless Steel Pipe; The SAE steel grades system is a standard alloy numbering system (SAE J1086 - Numbering Metals and Alloys) for steel grades maintained by SAE International.. With over 11% chromium, steel is about 200 times more resistant to corrosion than mild steel. Type 304L has a carbon maximum is 0.030. It contains about 12% Cr and therefore provides moderate corrosion resistance. This should be covered separately eg EN 10088-2, for stainless steel sheet or plate type products Test certificate standards and types Each of the certificate types has a reference number, which has both its content and 'validation' requirements described in the standard in Appendix A, Table A.1. (MPa) % (min.) 316L Stainless Steel. It is the standard 18/8 stainless that is commonly found in pans and cooking tools. (MPa) psi (min.) Alloys 304L is the most versatile and widely used alloy in the stainless steel family. Type 304 is the most versatile and We are suppliers of 304 and 304L Stainless Steel in a wide range of bar, flat, sheet, plate, angle and seamless tubing and pipes. In the simplest of terms, anodizing is an electrochemical process that modifies the parent materials surface hardness, reflectivity, lubricity, adhesion, light suppression, and electrical /thermal insulating properties. It can be considered either a high hardness 440C stainless steel or a corrosion-resistant D2 tool steel. 1) Hardness Conversion Calculator for metals according to ASTM E140 - 12,Standard Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, Scleroscope Hardness, and Leeb Hardness. Brinell Hardness (HBW), 304, 304L, 316, and 316L stainless steel can be used in the food industry. Hardness; Rockwell B (HR B) max Brinell (HB) max; 304: 515: 205: 40: 92: 201: 304L: 485: 170: 40: 92: 201: 304L Stainless Steel Chequered Sheets, Check Stainless Steel 321 Chequered Plate at reasonable price list. Hardness RC: 32 max. Works With. 1) Hardness Conversion Calculator for metals according to ASTM E140 - 12,Standard Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, Scleroscope Hardness, and Leeb Hardness.