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ASTM A240/A240M S30941 vs IS 1570 (Part 7) 12Cr12MoH

Minimal Match — 35% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S30941 (ASTM A240/A240M:2025) and IS 1570 (Part 7) 12Cr12MoH (IS 1570 (Part 7):1992) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S30941 is typically used for pressure vessels and general applications (plate, sheet and strip), while IS 1570 (Part 7) 12Cr12MoH is commonly used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature. ASTM A240/A240M S30941 is defined under ASTM International, originating from United States, while IS 1570 (Part 7) 12Cr12MoH is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, ASTM A240/A240M S30941 vs IS 1570 (Part 7) 12Cr12MoH is a 57% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With ASTM A240/A240M S30941:
GOST 5632 06Kh23N28 GOST 5632 08X18H10 IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo GB/T 3280 06Cr19Ni10 EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr13H ASTM A959 .-
Match Breakdown
CHEMISTRY MATCH
57%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property ASTM A240/A240M S30941 IS 1570 (Part 7) 12Cr12MoH
Standard ASTM A240/A240M:2025 IS 1570 (Part 7):1992
Category Stainless Steel Stainless Steel
C (%) 0.04-0.10 0.08-0.16
Mn (%) <=2.00 0.40-1.00
P (%) <=0.045 <=0.040
S (%) <=0.030 <=0.035
Si (%) <=0.75 <=0.60
Cr (%) 22.0-24.0 11.5-13.00
Ni (%) 12.0-16.0 <=1.0
Nb (%) <=1.10 Not specified
Mo (%) Not specified 0.40-0.80
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 S30941 IS 1570 (Part 7) 12Cr12MoH
Tensile Strength >=515 MPa 680-880 MPa
Yield Strength >=205 MPa >=490 MPa (0.2 % proof stress)
Elongation >=40% >=20%
Hardness <=217 HB Not specified
Condition Plate, sheet and strip; yield by 0.2 percent offset Bars, forgings, Q+T, thickness up to 75 (first row of Table 3)
Typical Applications
ASTM A240/A240M S30941
Pressure vessels and general applications (plate, sheet and strip)
IS 1570 (Part 7) 12Cr12MoH
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Key Differences
Can ASTM A240/A240M S30941 Be Substituted With IS 1570 (Part 7) 12Cr12MoH?
ASTM A240/A240M S30941 and IS 1570 (Part 7) 12Cr12MoH 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 S30941
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IS 1570 (Part 7) 12Cr12MoH
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S30941 and IS 1570 (Part 7) 12Cr12MoH?
ASTM A240/A240M S30941 specifies Nb which is not specified for IS 1570 (Part 7) 12Cr12MoH. IS 1570 (Part 7) 12Cr12MoH specifies Mo which is not specified for ASTM A240/A240M S30941.
Can ASTM A240/A240M S30941 be substituted with IS 1570 (Part 7) 12Cr12MoH?
ASTM A240/A240M S30941 and IS 1570 (Part 7) 12Cr12MoH 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.