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ASTM A240/A240M S34752 vs ASTM A240/A240M S31740

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

ASTM A240/A240M S34752 (ASTM A240/A240M:2025) and ASTM A240/A240M S31740 (ASTM A240/A240M:2025) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S34752 is typically used for pressure vessels and general applications (plate, sheet and strip), while ASTM A240/A240M S31740 is commonly used for pressure vessels and general applications (plate, sheet and strip). ASTM A240/A240M S34752 is defined under ASTM International, originating from United States, while ASTM A240/A240M S31740 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A240/A240M S34752 vs ASTM A240/A240M S31740 is a 72.2% match. As per mechanical properties, the match is 100%. Combined, this makes them a related material overall at 69.9%.

Frequently Compared With ASTM A240/A240M S34752:
GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoVH EN 10088-1 1.4401 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12Ni2Mo GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr13H
Match Breakdown
CHEMISTRY MATCH
72.2%
MECHANICAL MATCH
100%
OVERALL
69.9%
Specifications
Property ASTM A240/A240M S34752 ASTM A240/A240M S31740
Standard ASTM A240/A240M:2025 ASTM A240/A240M:2025
Category Stainless Steel Stainless Steel
C (%) 0.005-0.02 0.005-0.020
Mn (%) <=2.00 <=2.00
P (%) <=0.035 <=0.045
S (%) <=0.010 <=0.030
Si (%) <=0.60 <=1.00
Cr (%) 17.0-19.0 17.0-19.0
Ni (%) 10.0-13.0 11.0-15.0
Mo (%) 0.20-1.20 3.0-4.5
N (%) 0.06-0.12 0.06-0.15
Cu (%) 2.50-3.50 Not specified
Nb (%) 0.20-0.50 0.20-0.50
B (%) 0.001-0.005 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 S34752 ASTM A240/A240M S31740
Tensile Strength >=515 MPa >=515 MPa
Yield Strength >=205 MPa >=205 MPa
Elongation >=35% >=35%
Condition Plate, sheet and strip; yield by 0.2 percent offset Plate, sheet and strip; yield by 0.2 percent offset
Hardness Not specified <=217 HB
Typical Applications
ASTM A240/A240M S34752
Pressure vessels and general applications (plate, sheet and strip)
ASTM A240/A240M S31740
Pressure vessels and general applications (plate, sheet and strip)
Key Differences
Can ASTM A240/A240M S34752 Be Substituted With ASTM A240/A240M S31740?
ASTM A240/A240M S34752 and ASTM A240/A240M S31740 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.
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ASTM A240/A240M S34752
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ASTM A240/A240M S31740
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S34752 and ASTM A240/A240M S31740?
ASTM A240/A240M S34752 specifies Cu, B which are not specified for ASTM A240/A240M S31740.
Can ASTM A240/A240M S34752 be substituted with ASTM A240/A240M S31740?
ASTM A240/A240M S34752 and ASTM A240/A240M S31740 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.