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ASTM A387/A387M Grade 5 vs IS 4367 10Cr9Mo10

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

ASTM A387/A387M Grade 5 (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 5 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 5 vs IS 4367 10Cr9Mo10 is a 71.2% match. As per mechanical properties, the match is 64.8%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With ASTM A387/A387M Grade 5:
IS 4367 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 105Cr5 NF A35-565 100C6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H EN 10028-2 10CrMo9-10 IS 1570 (Part 7) 10Mo6H IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 4) 103Cr6
Match Breakdown
CHEMISTRY MATCH
71.2%
MECHANICAL MATCH
64.8%
OVERALL
35%
Specifications
Property ASTM A387/A387M Grade 5 IS 4367 10Cr9Mo10
Standard ASTM A387/A387M:2011 IS 4367:1991
Category Alloy Steel Alloy Steel
C (%) <=0.15 <=0.15
Mn (%) 0.30-0.60 0.40-0.70
P (%) <=0.025 <=0.035
S (%) <=0.025 <=0.035
Si (%) <=0.50 <=0.50
Cr (%) 4.00-6.00 2.00-2.50
Mo (%) 0.45-0.65 0.90-1.10
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 5 IS 4367 10Cr9Mo10
Tensile Strength 415-585 MPa 410-590 MPa
Yield Strength >=205 MPa 245 MPa min
Elongation >=18% >=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 5
Welded boilers and pressure vessels for elevated temperature service
IS 4367 10Cr9Mo10
Not documented
Key Differences
Can ASTM A387/A387M Grade 5 Be Substituted With IS 4367 10Cr9Mo10?
ASTM A387/A387M Grade 5 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.
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ASTM A387/A387M Grade 5
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IS 4367 10Cr9Mo10
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Frequently Asked Questions
What is the difference between ASTM A387/A387M Grade 5 and IS 4367 10Cr9Mo10?
IS 4367 10Cr9Mo10 specifies Ni which is not specified for ASTM A387/A387M Grade 5.
Can ASTM A387/A387M Grade 5 be substituted with IS 4367 10Cr9Mo10?
ASTM A387/A387M Grade 5 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.