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ASTM A387/A387M Grade 12 vs IS 4367 07Cr4Mo6

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

ASTM A387/A387M Grade 12 (ASTM A387/A387M:2011) and IS 4367 07Cr4Mo6 (IS 4367:1991) are both steel grades. Both fall under the Alloy Steel category. ASTM A387/A387M Grade 12 is defined under ASTM International, originating from United States, while IS 4367 07Cr4Mo6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, ASTM A387/A387M Grade 12 vs IS 4367 07Cr4Mo6 is a 77.7% match. As per mechanical properties, the match is 33.3%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With ASTM A387/A387M Grade 12:
IS 1570 (Part 7) 12Cr4Mo5H IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 NF A35-565 100C6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H EN 10028-2 10CrMo9-10 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 4) 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10
Match Breakdown
CHEMISTRY MATCH
77.7%
MECHANICAL MATCH
33.3%
OVERALL
35%
Specifications
Property ASTM A387/A387M Grade 12 IS 4367 07Cr4Mo6
Standard ASTM A387/A387M:2011 IS 4367:1991
Category Alloy Steel Alloy Steel
C (%) 0.05-0.17 <=0.12
Mn (%) 0.40-0.65 0.40-0.70
P (%) <=0.025 <=0.035
S (%) <=0.025 <=0.035
Si (%) 0.15-0.40 0.15-0.60
Cr (%) 0.80-1.15 0.70-1.10
Mo (%) 0.45-0.60 0.45-0.65
Ni (%) Not specified <=0.30
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 12 IS 4367 07Cr4Mo6
Tensile Strength 380-550 MPa 380-550 MPa
Yield Strength >=230 MPa 225 MPa min
Elongation >=22% >=19%
Condition Class 1 plates, no thickness ranges printed; elongation in 50 mm gauge length Normalised and tempered, ruling section up to 40 mm
Izod Impact Not specified 60 J min
Hardness (soft annealed) Not specified <=170 HB
Typical Applications
ASTM A387/A387M Grade 12
Welded boilers and pressure vessels for elevated temperature service
IS 4367 07Cr4Mo6
Not documented
Key Differences
Can ASTM A387/A387M Grade 12 Be Substituted With IS 4367 07Cr4Mo6?
ASTM A387/A387M Grade 12 and IS 4367 07Cr4Mo6 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 A387/A387M Grade 12
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IS 4367 07Cr4Mo6
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Frequently Asked Questions
What is the difference between ASTM A387/A387M Grade 12 and IS 4367 07Cr4Mo6?
IS 4367 07Cr4Mo6 specifies Ni which is not specified for ASTM A387/A387M Grade 12.
Can ASTM A387/A387M Grade 12 be substituted with IS 4367 07Cr4Mo6?
ASTM A387/A387M Grade 12 and IS 4367 07Cr4Mo6 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.