IS 1570 (Part 7) 12Cr9Mo10H vs ASTM A387/A387M Grade 22L
Related Material — 69.6% match
based on chemical composition and mechanical property overlap.
IS 1570 (Part 7) 12Cr9Mo10H (IS 1570 (Part 7):1992) and ASTM A387/A387M Grade 22L (ASTM A387/A387M:2011) are both steel grades.
Both fall under the Alloy Steel category.
IS 1570 (Part 7) 12Cr9Mo10H is typically used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature, while ASTM A387/A387M Grade 22L is commonly used for welded boilers and pressure vessels for elevated temperature service.
IS 1570 (Part 7) 12Cr9Mo10H is defined under Bureau of Indian Standards (IS), originating from India, while ASTM A387/A387M Grade 22L is defined under ASTM International, originating from United States.
As per chemical composition, IS 1570 (Part 7) 12Cr9Mo10H vs ASTM A387/A387M Grade 22L is a 83.7% match.
As per mechanical properties, the match is 41.4%.
Combined, this makes them a related material overall at 69.6%.
Frequently Compared With IS 1570 (Part 7) 12Cr9Mo10H:
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
IS 1570 (Part 7) 12Cr9Mo10H
ASTM A387/A387M Grade 22L
Tensile Strength
410-560 MPa
415-585 MPa
Yield Strength
>=135 MPa (0.2 % proof stress)
>=205 MPa
Condition
Pipes, A, thickness - (first row of Table 3)
Class 1 plates, no thickness ranges printed; elongation in 50 mm gauge length
Elongation
Not specified
>=18%
Typical Applications
IS 1570 (Part 7) 12Cr9Mo10H
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
ASTM A387/A387M Grade 22L
Welded boilers and pressure vessels for elevated temperature service
Key Differences
IS 1570 (Part 7) 12Cr9Mo10H specifies Al (metallic) which is not specified for ASTM A387/A387M Grade 22L.
Can IS 1570 (Part 7) 12Cr9Mo10H Be Substituted With ASTM A387/A387M Grade 22L?
IS 1570 (Part 7) 12Cr9Mo10H and ASTM A387/A387M Grade 22L 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.
What is the difference between IS 1570 (Part 7) 12Cr9Mo10H and ASTM A387/A387M Grade 22L?
IS 1570 (Part 7) 12Cr9Mo10H specifies Al (metallic) which is not specified for ASTM A387/A387M Grade 22L.
Can IS 1570 (Part 7) 12Cr9Mo10H be substituted with ASTM A387/A387M Grade 22L?
IS 1570 (Part 7) 12Cr9Mo10H and ASTM A387/A387M Grade 22L 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.