ASTM A240

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ASTM A240 Stainless Steel Plate

About ASTM A240 Steel Plate

  • Thickness: 6mm-60mm
  • Length: 1000mm-6000mm or customized
  • Width: 600 to 1500mm or customized
  • Application: Pressure vessel plate, chemical process vessel equipment
  • Supplementary Technology: HIC Test | NACE MR0175 | Z15 | Z25 | Z35 | S1 | S2 | S3 | S4.1 S5 | S6 | S7 | S8 | S9| S11 | S12 | S14 | S17
  • Surface: 2B, BA, HL, MIRROR, NO. 1-NO. 4, 8K, and so on.
  • Delivery state: Hot Rolled, Cold Rolled
  • Steel Grade: 304/304L/304H, 316/316L/316H, etc

Product Scope：

This specification covers chromium, chromium-nickel, and chromium-manganese-nickel stainless steel plate, sheet, and strip for pressure vessels and for general applications including architectural, building, construction, and aesthetic applications.

ASTM A240 steel plate covers Austenitic Steels, Ferritic steels and Martensitic Steels. 304/340L, 316/316L is common stainless steel grades for many industries, ANSON can provide you best ASTM A240 steel plate for your project, for we can supply product covers wide dimension range, any steel grade under this specification, series of surface finishes, and most importantly you will get high quality assurance and timely delivery.

ASTM A240 Product Dimension:

Product Thickness (mm) Width (mm)
Cold rolled coils(2D/2B/BA) 0.3-3mm 800-1300
Hot rolled coils(No.1) 2-10mm 800-2000
Stainless steel sheet/Plate 0.3-100mm 800-2000

ASTM A240 Chemical Composition:

Stainless Steel Group Grade ASTM A240 Chemical Composition
ASTM(A240M) Others(JIS) C Si Mn P S Ni Cr Mo Others
Austenitic Steels 304 SUS304 ≤0.07 ≤0.75 ≤2.00 ≤0.045 ≤0.030 8.0/10.5 17.5/19.5 ― N≤0.10
304H   0.04/0.10 ≤0.75 ≤2.00 ≤0.045 ≤0.030 8.0/10.5 18.0/20.0 ―  
304L SUS304L ≤0.030 ≤0.75 ≤2.00 ≤0.045 ≤0.030 8.0/12.0 17.5/19.5 ― N≤0.10
304N SUS304N1 ≤0.08 ≤0.75 ≤2.00 ≤0.045 ≤0.030 8.0/10.5 18.0/20.0 ― N:0.10/0.16
304LN SUS304LN ≤0.030 ≤0.75 ≤2.00 ≤0.045 ≤0.030 8.0/12.0 18.0/20.0 ― N:0.10/0.16
309S SUS309S ≤0.08 ≤0.75 ≤2.00 ≤0.045 ≤0.030 12.0/15.0 22.0/24.0 ―  
310S SUS310S ≤0.08 ≤1.50 ≤2.00 ≤0.045 ≤0.030 19.0/22.0 24.0/26.0 ―  
316 SUS316 ≤0.08 ≤0.75 ≤2.00 ≤0.045 ≤0.030 10.0/14.0 16.0/18.0 2.00/3.00 N≤0.10
316L SUS316L ≤0.030 ≤0.75 ≤2.00 ≤0.045 ≤0.030 10.0/14.0 16.0/18.0 2.00/3.00 N≤0.10
316H   0.04/0.10 ≤0.75 ≤2.00 ≤0.045 ≤0.030 10.0/14.0 16.0/18.0 2.00/3.00  
316LN SUS316LN ≤0.030 ≤0.75 ≤2.00 ≤0.045 ≤0.030 10.0/14.0 16.0/18.0 2.00/3.00 N:0.10/0.16
317L SUS317L ≤0.030 ≤0.75 ≤2.00 ≤0.045 ≤0.030 11.0/15.0 18.0/20.0 3.0/4.0 N≤0.10
317LN SUS317LN ≤0.030 ≤0.75 ≤2.00 ≤0.045 ≤0.030 11.0/15.0 18.0/20.0 3.0/4.0 N:0.10/0.22
321 SUS321 ≤0.08 ≤0.75 ≤2.00 ≤0.045 ≤0.030 9.0/12.0 17.0/19.0 ― N≤0.10Ti:5ʷʢC+Nʣ/0.70
347 SUS347 ≤0.08 ≤0.75 ≤2.00 ≤0.045 ≤0.030 9.0/13.0 17.0/19.0 ― Nb:10ʷC/1.00
N08904ʢ904L SUS890L ≤0.020 ≤1.00 ≤2.00 ≤0.045 ≤0.035 23.0/28.0 19.0/23.0 4.00/5.00 N≤0.10Cu:1.0/2.0
S31254   ≤0.020 ≤0.80 ≤1.00 ≤0.030 ≤0.010 17.5/18.5 19.5/20.5 6.0/6.5 N:0.18/0.25Cu:0.50/1.00
  SUS317J2 ≤0.06 ≤1.50 ≤2.00 ≤0.045 ≤0.030 12.00/16.00 23.00/26.00 0.50/1.20 N:0.25/0.40

ASTM A240 Mechanical Property:

Stainless Steel Group Steel Grade Mechanical Property
ASTM(A240M) Others(JIS) Tensile Properties Hardness Bend Test
Yield StrengthMPa Tensile StrengthMPa Elongation% HBW HRBW
AusteniticSteels 304 SUS304 ≥205 ≥515 ≥40 ≤201 ≤92 ―
304H   ≥205 ≥515 ≥40 ≤201 ≤92 ―
304L SUS304L ≥170 ≥485 ≥40 ≤201 ≤92 ―
304N SUS304N1 ≥240 ≥550 ≥30 ≤217 ≤95 ―
304LN SUS304LN ≥205 ≥515 ≥40 ≤217 ≤95 ―
309S SUS309S ≥205 ≥515 ≥40 ≤217 ≤95 ―
310S SUS310S ≥205 ≥515 ≥40 ≤217 ≤95 ―
316 SUS316 ≥205 ≥515 ≥40 ≤217 ≤95 ―
316L SUS316L ≥170 ≥485 ≥40 ≤217 ≤95 ―
316H   ≥205 ≥515 ≥40 ≤217 ≤95 ―
316LN SUS316LN ≥205 ≥515 ≥40 ≤217 ≤95 ―
317L SUS317L ≥205 ≥515 ≥40 ≤217 ≤95 ―
317LN SUS317LN ≥240 ≥550 ≥40 ≤217 ≤95 ―
321 SUS321 ≥205 ≥515 ≥40 ≤217 ≤95 ―
347 SUS347 ≥205 ≥515 ≥40 ≤201 ≤92 ―
N08904ʢ904L SUS890L ≥220 ≥490 ≥35 ɹ― ≤90 ―
S31254   ≥310 ≥655 ≥35 ≤223 ≤96 ―
  SUS317J2 ≥345 ≥690 ≥40 ≤250 ≤100 ―

Surface Finishes For ASTM A240 Steel Plates:

Class Definition Application
No.1 With heat treatment after hot rolling, pickling or equivalent. Chemical tank, piping
No.2D After 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.2B After cold rolling, carry out heat treatment and pickling or other equivalent processing. And use cold rolling processing to make surface brightness appropriately Medical equipment, food industry, building materials, kitchen utensils
BA After cold rolling, carry out bright heat treatment Eat hutch appliance, electrical appliances, construction decoration
No.3 Use 100# ~ 120# abrasives to do the grinding processing Eat hutch appliance, construction decoration
No.4 Use 150# ~ 180# abrasives to do the grinding processing Eat hutch appliance, construction decoration, Medical equipment
No.8 Use 600 # rotary polishing wheel to do the grinding Mirror, decoration
HL Use appropriate particle size of abrasives to do the grinding and make the surface with grinding stripe Construction decoration

ASTM A240 Equivalent Steel Grade:

EQUIVALENT STEEL GRADE ACCORDING TO OTHER STANDARD FOR ASME SA240
No JIS G4304 ASTM UNS KS EN10095 AS CNS
1 SUS201 201 S20100 STS201 1.4372 201-2 201
2 SUS202 202 S20200 STS202 1.4373 - 202
3 SUS301 301 S30100 STS301 1.4319 301 301
4 SUS304 304 S30400 STS304 1.4301 304 304
5 SUS304L 304L S30403 STS304L 1.4306 304L 304L
6 SUS304N1 304N S30451 STS304N1 1.4315 304N1 304N1
7 SUS304N2 XM21 S30452 STS304N2 - 304N2 304N2
8 SUS304LN 304LN S30453 STS304LN - 304LN 304LN
9 SUS305 305 S30500 STS305 1.4303 305 305
10 SUS309S 309S S30908 STS309S 1.4833 309S 309S
11 SUS310S 310S S31008 STS310S 1.4845 310S 310S
12 SUS316 316 S31600 STS316 1.4401 316 316
13 SUS316Ti 316Ti S31635 - 1.4571 316Ti 316Ti
14 SUS316L 316L S31603 STS316L 1.4404 316L 316L
15 SUS316N 316N S31651 STS316N - 316N 316N
16 SUS316LN 316LN S31653 STS316LN 1.4429 316LN 316LN
17 SUS316J1 - - STS316J1 - 316J1 316J1
18 SUS316J1L - - STS316J1L - - 316J1L
19 SUS317 317 S31700 STS317 - 317 317
20 SUS317L 317L S31703 STS317L 1.4438 317L 317L
21 SUS321 321 S32100 STS321 1.4541 321 321
22 SUS347 347 S34700 STS347 1.455 347 347
23 SUS329J1 329 S32900 STS329J1 1.4477 329J1 329J1
24 SUS329J3L - S31803 STS329J3L 1.4462 329J3L 329J3L
25 SUS405 405 S40500 STS405 1.4002 405 405
26 SUH409 409 S40900 STS409 1.4512 409L 409L
27 SUS410L - - STS410L - 410L 410L
28 SUS430 430 S43000 STS430 1.4016 430 430
29 SUS434 434 S43400 STS434 1.4113 434 434
30 - - S43940 - 1.4509 439 439
31 SUS444 444 S44400 STS444 1.4521 444 444
32 SUS403 403 S40300 STS403 - 403 403
33 SUS410 410 S41000 STS410 1.4006 410 410
34 SUS420J1 420 S42000 STS420J1 1.4021 420 420J1
35 SUS420J2 - - STS420J2 1.4028 420J2 420J2
36 SUS440A 440A S44002 STS440A - 440A 440A

ANSON can supply ASTM A204 steel plates from stock or from reputed steel mills. We also offer steel fabrication service where steel plates can go through processings like cutting (any size and any shape), drilling, welding, milling, machining as you require. Our steel mills have fabricating employees that have 5-10 years of working experience. If you are interested in buying ASTM A204 steel plate products, contact us now for the latest price or check the following table for equivalent steel grade of ASTM A204.

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