1. Plate Thickness: 6mm-60mm
  2. Plate Length: 1000mm-6000mm or tailored to customer requirements
  3. Plate Width: 600mm to 1500mm or customized
  4. Application: Designed for use in pressure vessels and chemical process vessel equipment.
  5. Advanced Technology: Includes HIC Test, NACE MR0175, Z15, Z25, Z35, S1, S2, S3, S4.1, S5, S6, S7, S8, S9, S11, S12, S14, S17. Surface Finish: Options include 2B, BA, HL, MIRROR, NO. 1-NO. 4, 8K, and more.
  6. Delivery Condition: Available in both Hot Rolled and Cold Rolled states.
  7. Steel Grade: Varied grades such as 304/304L/304H, 316/316L/316H, etc.

This specification encompasses stainless steel plate, sheet, and strip composed of chromium, chromium-nickel, and chromium-manganese-nickel alloys. It is designed for use in pressure vessels and finds applications in various contexts, including architectural, building, construction, and aesthetic projects.

ASTM A240 steel plate includes Austenitic Steels, Ferritic Steels, and Martensitic Steels. Common stainless steel grades such as 304/304L and 316/316L are covered, making it suitable for diverse industries. At CG Steel, we offer top-quality ASTM A240 steel plates for your projects, boasting a broad range of dimensions, any steel grade within this specification, various surface finishes, and, most importantly, a commitment to delivering high-quality products in a timely manner.

ASTM A240 Product Dimension:

ProductThickness (mm)Width (mm)
Cold rolled coils(2D/2B/BA)0.3-3mm800-1300
Hot rolled coils(No.1)2-10mm800-2000
Stainless steel sheet/Plate0.3-100mm800-2000

ASTM A240 Chemical Composition:

Stainless Steel GroupGradeASTM A240 Chemical Composition
ASTM(A240M)Others(JIS)CSiMnPSNiCrMoOthers
Austenitic Steels304SUS304≤0.07≤0.75≤2.00≤0.045≤0.0308.0/10.517.5/19.5―N≤0.10
304H 0.04/0.10≤0.75≤2.00≤0.045≤0.0308.0/10.518.0/20.0― 
304LSUS304L≤0.030≤0.75≤2.00≤0.045≤0.0308.0/12.017.5/19.5―N≤0.10
304NSUS304N1≤0.08≤0.75≤2.00≤0.045≤0.0308.0/10.518.0/20.0―N:0.10/0.16
304LNSUS304LN≤0.030≤0.75≤2.00≤0.045≤0.0308.0/12.018.0/20.0―N:0.10/0.16
309SSUS309S≤0.08≤0.75≤2.00≤0.045≤0.03012.0/15.022.0/24.0― 
310SSUS310S≤0.08≤1.50≤2.00≤0.045≤0.03019.0/22.024.0/26.0― 
316SUS316≤0.08≤0.75≤2.00≤0.045≤0.03010.0/14.016.0/18.02.00/3.00N≤0.10
316LSUS316L≤0.030≤0.75≤2.00≤0.045≤0.03010.0/14.016.0/18.02.00/3.00N≤0.10
316H 0.04/0.10≤0.75≤2.00≤0.045≤0.03010.0/14.016.0/18.02.00/3.00 
316LNSUS316LN≤0.030≤0.75≤2.00≤0.045≤0.03010.0/14.016.0/18.02.00/3.00N:0.10/0.16
317LSUS317L≤0.030≤0.75≤2.00≤0.045≤0.03011.0/15.018.0/20.03.0/4.0N≤0.10
317LNSUS317LN≤0.030≤0.75≤2.00≤0.045≤0.03011.0/15.018.0/20.03.0/4.0N:0.10/0.22
321SUS321≤0.08≤0.75≤2.00≤0.045≤0.0309.0/12.017.0/19.0―N≤0.10Ti:5ʷʢC+Nʣ/0.70
347SUS347≤0.08≤0.75≤2.00≤0.045≤0.0309.0/13.017.0/19.0―Nb:10ʷC/1.00
N08904ʢ904LSUS890L≤0.020≤1.00≤2.00≤0.045≤0.03523.0/28.019.0/23.04.00/5.00N≤0.10Cu:1.0/2.0
S31254 ≤0.020≤0.80≤1.00≤0.030≤0.01017.5/18.519.5/20.56.0/6.5N:0.18/0.25Cu:0.50/1.00
 SUS317J2≤0.06≤1.50≤2.00≤0.045≤0.03012.00/16.0023.00/26.000.50/1.20N:0.25/0.40

ASTM A240 Mechanical Property:

Stainless Steel GroupSteel GradeMechanical Property
ASTM(A240M)Others(JIS)Tensile PropertiesHardnessBend Test
Yield StrengthMPaTensile StrengthMPaElongation%HBWHRBW
AusteniticSteels304SUS304≥205≥515≥40≤201≤92―
304H ≥205≥515≥40≤201≤92―
304LSUS304L≥170≥485≥40≤201≤92―
304NSUS304N1≥240≥550≥30≤217≤95―
304LNSUS304LN≥205≥515≥40≤217≤95―
309SSUS309S≥205≥515≥40≤217≤95―
310SSUS310S≥205≥515≥40≤217≤95―
316SUS316≥205≥515≥40≤217≤95―
316LSUS316L≥170≥485≥40≤217≤95―
316H ≥205≥515≥40≤217≤95―
316LNSUS316LN≥205≥515≥40≤217≤95―
317LSUS317L≥205≥515≥40≤217≤95―
317LNSUS317LN≥240≥550≥40≤217≤95―
321SUS321≥205≥515≥40≤217≤95―
347SUS347≥205≥515≥40≤201≤92―
N08904ʢ904LSUS890L≥220≥490≥35ɹ―≤90―
S31254 ≥310≥655≥35≤223≤96―
 SUS317J2≥345≥690≥40≤250≤100―

Surface Finishes For ASTM A240 Steel Plates:

ClassDefinitionApplication
No.1With heat treatment after hot rolling, pickling or equivalent.Chemical tank, piping
No.2DAfter cold rolling, carry out heat treatment and pickling or other equivalent processing. In addition, also including use of blunt surface roller to do final cold rolling slightly.Heat exchanger, drain-pipe
No.2BAfter cold rolling, carry out heat treatment and pickling or other equivalent processing. And use cold rolling processing to make surface brightness appropriatelyMedical equipment, food industry, building materials, kitchen utensils
BAAfter cold rolling, carry out bright heat treatmentEat hutch appliance, electrical appliances, construction decoration
No.3Use 100# ~ 120# abrasives to do the grinding processingEat hutch appliance, construction decoration
No.4Use 150# ~ 180# abrasives to do the grinding processingEat hutch appliance, construction decoration, Medical equipment
No.8Use 600 # rotary polishing wheel to do the grindingMirror, decoration
HLUse appropriate particle size of abrasives to do the grinding and make the surface with grinding stripeConstruction decoration

ASTM A240 Equivalent Steel Grade:

EQUIVALENT STEEL GRADE ACCORDING TO OTHER STANDARD FOR ASME SA240
NoJIS G4304ASTMUNSKSEN10095ASCNS
1SUS201201S20100STS2011.4372201-2201
2SUS202202S20200STS2021.4373-202
3SUS301301S30100STS3011.4319301301
4SUS304304S30400STS3041.4301304304
5SUS304L304LS30403STS304L1.4306304L304L
6SUS304N1304NS30451STS304N11.4315304N1304N1
7SUS304N2XM21S30452STS304N2-304N2304N2
8SUS304LN304LNS30453STS304LN-304LN304LN
9SUS305305S30500STS3051.4303305305
10SUS309S309SS30908STS309S1.4833309S309S
11SUS310S310SS31008STS310S1.4845310S310S
12SUS316316S31600STS3161.4401316316
13SUS316Ti316TiS31635-1.4571316Ti316Ti
14SUS316L316LS31603STS316L1.4404316L316L
15SUS316N316NS31651STS316N-316N316N
16SUS316LN316LNS31653STS316LN1.4429316LN316LN
17SUS316J1--STS316J1-316J1316J1
18SUS316J1L--STS316J1L--316J1L
19SUS317317S31700STS317-317317
20SUS317L317LS31703STS317L1.4438317L317L
21SUS321321S32100STS3211.4541321321
22SUS347347S34700STS3471.455347347
23SUS329J1329S32900STS329J11.4477329J1329J1
24SUS329J3L-S31803STS329J3L1.4462329J3L329J3L
25SUS405405S40500STS4051.4002405405
26SUH409409S40900STS4091.4512409L409L
27SUS410L--STS410L-410L410L
28SUS430430S43000STS4301.4016430430
29SUS434434S43400STS4341.4113434434
30--S43940-1.4509439439
31SUS444444S44400STS4441.4521444444
32SUS403403S40300STS403-403403
33SUS410410S41000STS4101.4006410410
34SUS420J1420S42000STS420J11.4021420420J1
35SUS420J2--STS420J21.4028420J2420J2
36SUS440A440AS44002STS440A-440A440A

At CG Steel, we are equipped to provide ASTM A204 steel plates directly from our inventory or source them from well-established steel mills. Additionally, we offer comprehensive steel fabrication services, allowing the customization of steel plates through processes such as cutting (to any size and shape), drilling, welding, milling, and machining to meet your specific requirements. Our steel mills boast skilled fabrication personnel with 5-10 years of industry experience.

If you are considering the purchase of ASTM A204 steel plate products, feel free to reach out to us for the latest pricing information. Alternatively, you can refer to the table below for the equivalent steel grades of ASTM A204.