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ASTM A240/A240M S31700 vs IS 1570 (Part 7) 12Cr13H

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

ASTM A240/A240M S31700 (ASTM A240/A240M:2025) and IS 1570 (Part 7) 12Cr13H (IS 1570 (Part 7):1992) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S31700 is typically used for pressure vessels and general applications (plate, sheet and strip), while IS 1570 (Part 7) 12Cr13H 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 S31700 is defined under ASTM International, originating from United States, while IS 1570 (Part 7) 12Cr13H is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, ASTM A240/A240M S31700 vs IS 1570 (Part 7) 12Cr13H is a 59.4% 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 S31700:
EN 10088-1 1.4401 GOST 5632 06Kh23N28 EN 10088-1 1.4006 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH GB/T 3280 06Cr19Ni10 GOST 5632 08X18H10 EN 10088-1 1.4301 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo ASTM A959 .-
Match Breakdown
CHEMISTRY MATCH
59.4%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property ASTM A240/A240M S31700 IS 1570 (Part 7) 12Cr13H
Standard ASTM A240/A240M:2025 IS 1570 (Part 7):1992
Category Stainless Steel Stainless Steel
C (%) <=0.08 0.09-0.15
Mn (%) <=2.00 <=1.00
P (%) <=0.045 <=0.040
S (%) <=0.030 <=0.030
Si (%) <=0.75 <=1.00
Cr (%) 18.0-20.0 11.5-14.00
Ni (%) 11.0-15.0 <=1.00
Mo (%) 3.0-4.0 Not specified
N (%) <=0.10 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 S31700 IS 1570 (Part 7) 12Cr13H
Tensile Strength >=515 MPa 470-670 MPa
Yield Strength >=205 MPa >=265 MPa (0.2 % proof stress)
Elongation >=35% >=20%
Hardness <=217 HB Not specified
Condition Plate, sheet and strip; yield by 0.2 percent offset Bars, forgings, plates, A, thickness up to 160 (first row of Table 3)
Typical Applications
ASTM A240/A240M S31700
Pressure vessels and general applications (plate, sheet and strip)
IS 1570 (Part 7) 12Cr13H
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Key Differences
Can ASTM A240/A240M S31700 Be Substituted With IS 1570 (Part 7) 12Cr13H?
ASTM A240/A240M S31700 and IS 1570 (Part 7) 12Cr13H 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 S31700
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IS 1570 (Part 7) 12Cr13H
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S31700 and IS 1570 (Part 7) 12Cr13H?
ASTM A240/A240M S31700 specifies Mo, N which are not specified for IS 1570 (Part 7) 12Cr13H.
Can ASTM A240/A240M S31700 be substituted with IS 1570 (Part 7) 12Cr13H?
ASTM A240/A240M S31700 and IS 1570 (Part 7) 12Cr13H 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.