The ASTM A240 is a standard specification for chromium and chromium-nickel stainless steel plates, strips, and bars. A240 standard was developed by the American Society for Testing and Materials (ASTM) to provide a specification for high-quality materials for pressure vessels and general-purpose industrial applications. It details the performance requirements, chemical composition, mechanical property test methods, and processing and quality control procedures for these stainless steel products to ensure that the manufactured stainless steel products meet high corrosion resistance, strength, and durability standards. Therefore, if you are looking for stainless steel materials that are suitable for high-pressure environments or require high corrosion resistance, the ASTM A240 standard is an important reference you need to make.
ASTM A240 Stainless Steel Material
- Austenitic: 304, 304L, 316, 316L, 316H, 316Ti, 317/317L, 347/347H, 321/321H, 310/S, 904L, 254SMO
- Ferritic: 409, 430, 439, 441, 434, 436, 444, 446
- Martensitic: 403, 410, 410S, 414/L, 418, 420, 440, 416
- Duplex: 2205, S31803, S32750, S32760
Referenced Documents
- A370 Test Methods and Definitions for Mechanical Testing of Steel Products
- A480/A480M Specification for General Requirements for Flat-Rolled Stainless and Heat-Resisting Steel Plate,Sheet, and Strip
- A923 Test Methods for Detecting Detrimental Intermetallic Phase in Duplex Austenitic/Ferritic Stainless Steels
- E112 Test Methods for Determining Average Grain Size
- E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
- J 1086 Practice for Numbering Metals and Alloys (UNS)
General Requirements
The following requirements for orders for material furnished under this specification shall conform to the applicable requirements of the current edition of Specification A480/A480M.
- Definitions;
- General requirements for delivery;
- Ordering information;
- Process;
- Special tests;Heat treatment;
- Dimensions and permissible variations;
- Workmanship, finish and appearance;Number of tests/test methods;
- Specimen preparation;Retreatment;
- Inspection;
- Rejection and rehearing
- Material test report;
- Certification; and
- Packaging, marking, and loading.
Chemical Composition
The steel shall conform to the requirements as to the chemical composition specified in Table 1 and to applicable requirements specified in Specification A480/A480M.
Mechanical Properties
The material shall conform to the mechanical properties specified in Table 2.
Plate, Sheet, Strip, and Coil Specifications
Cold Rolled Stainless Steel Sheet
- Thickness: 0.3mm – 16.0mm
- Width: 1000mm, (4′)1220mm, 1500mm, 1800mm, 2000mm
- Length: Cut as per customer’s requirements
- Standard Size: 1000*2000mm, 1219*2438mm, 1220*2440mm, 1250*2500mm, 1500*3000mm, 1500*6000mm, 1800*6000mm, 2000*6000mm, 4’*8′
- Edge: Mill Edge/Slit Edge
- Technique: Cold Rolled
- Surface: 2B/BA/HL/8K mirror/BA/2D/ Titanium coating with Filim
- Standard: ASTM A240/A480M, ASTM B 668, ASTM B168/SB168, ASTM B443/SB443, JIS G4303, G4305, BS 1449, DIN 17441 etc.
- Grade: 201, 301, 304, 304L, 316, 316L, 316Ti, 321, 317L, 310S, 347H, 410, 420, 409L, 430, 440C, 444, 441, S32760, 2205, 904L, 630, 631, 253Ma, 254SMo, Incoloy 926, Inconel 625, Monel 400 etc.
- Processing Service: Bending, Welding, Decoiling, Punching, Cutting, etc Thickness: 0.3mm – 16.0mm
- Width: 1000mm, (4′)1220mm, 1500mm, 1800mm, 2000mm
- Length: Cut as per customer’s requirements
- Standard Size: 1000*2000mm, 1219*2438mm, 1220*2440mm, 1250*2500mm, 1500*3000mm, 1500*6000mm, 1800*6000mm, 2000*6000mm, 4’*8′
- Edge: Mill Edge/Slit Edge
- Technique: Cold Rolled
- Surface: 2B/BA/HL/8K mirror/BA/2D/ Titanium coating with Filim
- Standard: ASTM A240/A480M, ASTM B 668, ASTM B168/SB168, ASTM B443/SB443, JIS G4303, G4305, BS 1449, DIN 17441 etc.
- Grade: 201, 301, 304, 304L, 316, 316L, 316Ti, 321, 317L, 310S, 347H, 410, 420, 409L, 430, 440C, 444, 441, S32760, 2205, 904L, 630, 631, 253Ma, 254SMo, Incoloy 926, Inconel 625, Monel 400 etc.
- Processing Service: Bending, Welding, Decoiling, Punching, Cutting, etc
Hot Rolled Stainless Steel Plate
- Thickness: 3.0mm – 300mm
- Width: 1000mm, (4′)1220mm, 1500mm, 1800mm, 2000mm-3000mm
- Length: Produce as per customer’s requirements
- Standard Size: 1000*2000mm, 1219*2438mm, 1220*2440mm, 1250*2500mm, 1500*3000mm, 1500*6000mm, 1800*6000mm, 2000*6000mm, 4’*8′
- Edge: Mill Edge/Slit Edge
- Technique: Hot Rolled
- Surface: No.1/1D/Pickling
- Standard: ASTM A240/A480M, ASTM B 668, ASTM B168/SB168, ASTM B443/SB443, JIS G4303, G4305, BS 1449, DIN 17441 etc.
- Grade: 201, 301, 304, 304L, 316, 316L, 316Ti, 321, 317L, 310S, 347H, 410, 420, 409L, 430, 440C, 444, 441, S32760, 2205, 904L, 630, 631, 253Ma, 254SMo, Incoloy 926, Inconel 625, Monel 400 etc.
- Processing Service: Bending, Welding, Decoiling, Punching, Cutting, etc.
Hot Rolled Stainless Steel Coil
- Thickness: 0.5.0mm – 20mm
- Width: 1000mm, (4′)1220mm, 1500mm, 1800mm, 2000mm,2200mm
- Length: Depends on Coil Weight
- Standard Size: 1000*C, 1219*C, 1220*C, 1250*C, 1500*3000mm, 1500*C, 1800*C, 2000*C, 4’*C
- Edge: Mill Edge/Slit Edge
- Technique: Hot Rolled
- Surface: No.1/1D
- Standard: ASTM A240/A480M, ASTM B 668, ASTM B168/SB168, ASTM B443/SB443, JIS G4303, G4305, BS 1449, DIN 17441 etc.
- Grade: 201, 301, 304, 304L, 316, 316L, 316Ti, 321, 317L, 310S, 347H, 410, 420, 409L, 430, 440C, 444, 441, S32760, 2205, 904L, 630, 631, 253Ma, 254SMo, Incoloy 926, Inconel 625, Monel 400 etc.
- Processing Service: Bending, Welding, Decoiling, Punching, Cutting, etc.
Hot Rolled Stainless Steel Strip
- Thickness: 0.002mm – 16.0mm
- Width: 5mm – 900mm
- Length: Depends on Coil Weight
- Edge: Slit Edge
- Technique: Hot Rolled
- Surface: 1D/Pickling
- Standard: ASTM A240/A480M, ASTM B 668, ASTM B168/SB168, ASTM B443/SB443, JIS G4303, G4305, BS 1449, DIN 17441 etc.
- Grade: 201, 301, 304, 304L, 316, 316L, 316Ti, 321, 317L, 310S, 347H, 410, 420, 409L, 430, 440C, 444, 441, S32760, 2205, 904L, 630, 631, 253Ma, 254SMo, Incoloy 926, Inconel 625, Monel 400 etc