Post Stock Login Register

ASTM A240/A240M S31655 vs ASTM A959 S32003

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S31655 (ASTM A240/A240M:2025) and ASTM A959 S32003 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S31655 is typically used for pressure vessels and general applications (plate, sheet and strip), while ASTM A959 S32003 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). ASTM A240/A240M S31655 is defined under ASTM International, originating from United States, while ASTM A959 S32003 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A240/A240M S31655 vs ASTM A959 S32003 is a 73.8% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 69.9%.

Frequently Compared With ASTM A240/A240M S31655:
GOST 5632 06Kh23N28 EN 10088-1 1.4401 IS 1570 (Part 7) 12Cr12MoVH GB/T 3280 06Cr19Ni10 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12Ni2Mo ASTM A959 .-
Match Breakdown
CHEMISTRY MATCH
73.8%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property ASTM A240/A240M S31655 ASTM A959 S32003
Standard ASTM A240/A240M:2025 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) <=0.030 <=0.030
Mn (%) <=2.00 <=2.00
P (%) <=0.045 <=0.030
S (%) <=0.015 <=0.020
Si (%) <=1.00 <=1.00
Cr (%) 19.5-21.5 19.5-22.5
Ni (%) 8.0-9.5 3.0-4.0
Mo (%) 0.50-1.50 1.50-2.00
N (%) 0.14-0.25 0.14-0.20
Cu (%) <=1.00 Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM A240/A240M S31655 ASTM A959 S32003
Tensile Strength >=635 MPa Not specified
Yield Strength >=310 MPa Not specified
Elongation >=35% Not specified
Hardness <=241 HB Not specified
Condition Plate, sheet and strip; yield by 0.2 percent offset Not specified
Typical Applications
ASTM A240/A240M S31655
Pressure vessels and general applications (plate, sheet and strip)
ASTM A959 S32003
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can ASTM A240/A240M S31655 Be Substituted With ASTM A959 S32003?
ASTM A240/A240M S31655 and ASTM A959 S32003 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
On M-EX Right Now
ASTM A240/A240M S31655
0 active listings and RFQs →
ASTM A959 S32003
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between ASTM A240/A240M S31655 and ASTM A959 S32003?
ASTM A240/A240M S31655 specifies Cu which is not specified for ASTM A959 S32003.
Can ASTM A240/A240M S31655 be substituted with ASTM A959 S32003?
ASTM A240/A240M S31655 and ASTM A959 S32003 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.