Minimal Match — 35% match
based on chemical composition and mechanical property overlap.
ASTM A387/A387M Grade 2 (ASTM A387/A387M:2011) and IS 4367 10Cr9Mo10 (IS 4367:1991) are both steel grades.
Both fall under the Alloy Steel category.
ASTM A387/A387M Grade 2 is defined under ASTM International, originating from United States, while IS 4367 10Cr9Mo10 is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, ASTM A387/A387M Grade 2 vs IS 4367 10Cr9Mo10 is a 63.2% match.
As per mechanical properties, the match is 22.2%.
Combined, this makes them a minimal match overall at 35%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
ASTM A387/A387M Grade 2
IS 4367 10Cr9Mo10
Tensile Strength
380-550 MPa
410-590 MPa
Yield Strength
>=230 MPa
245 MPa min
Elongation
>=22%
>=18%
Condition
Class 1 plates, no thickness ranges printed; elongation in 50 mm gauge length
Normalised and tempered, ruling section up to 50 mm
Izod Impact
Not specified
55 J min
Hardness (soft annealed)
Not specified
<=187 HB
Typical Applications
ASTM A387/A387M Grade 2
Welded boilers and pressure vessels for elevated temperature service
IS 4367 10Cr9Mo10
Not documented
Key Differences
IS 4367 10Cr9Mo10 specifies Ni which is not specified for ASTM A387/A387M Grade 2.
Can ASTM A387/A387M Grade 2 Be Substituted With IS 4367 10Cr9Mo10?
ASTM A387/A387M Grade 2 and IS 4367 10Cr9Mo10 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 ASTM A387/A387M Grade 2 and IS 4367 10Cr9Mo10?
IS 4367 10Cr9Mo10 specifies Ni which is not specified for ASTM A387/A387M Grade 2.
Can ASTM A387/A387M Grade 2 be substituted with IS 4367 10Cr9Mo10?
ASTM A387/A387M Grade 2 and IS 4367 10Cr9Mo10 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.