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IS 1570 (Part 7) 10Cr36Mo10H vs ASTM A387/A387M Grade 9

Close Alternative — 73.1% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 7) 10Cr36Mo10H (IS 1570 (Part 7):1992) and ASTM A387/A387M Grade 9 (ASTM A387/A387M:2011) are both steel grades. Both fall under the Alloy Steel category. IS 1570 (Part 7) 10Cr36Mo10H 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 9 is commonly used for welded boilers and pressure vessels for elevated temperature service. IS 1570 (Part 7) 10Cr36Mo10H is defined under Bureau of Indian Standards (IS), originating from India, while ASTM A387/A387M Grade 9 is defined under ASTM International, originating from United States.

As per chemical composition, IS 1570 (Part 7) 10Cr36Mo10H vs ASTM A387/A387M Grade 9 is a 95.9% match. As per mechanical properties, the match is 27.6%. Combined, this makes them a close alternative overall at 73.1%.

Frequently Compared With IS 1570 (Part 7) 10Cr36Mo10H:
IS 1570 (Part 4) 103Cr6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 7) 12Cr4Mo5H IS 1570 (Part 7) 12Cr9Mo10H IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 105Cr5 IS 4367 10Cr9Mo10 IS 1570 (Part 7) 10Mo6H IS 1570 (Part 4) 10Mo6 IS 1570 (Part 4) 10Cr20Mo6 GB/T 3077 12Cr2Ni4A
Match Breakdown
CHEMISTRY MATCH
95.9%
MECHANICAL MATCH
27.6%
OVERALL
73.1%
Specifications
Property IS 1570 (Part 7) 10Cr36Mo10H ASTM A387/A387M Grade 9
Standard IS 1570 (Part 7):1992 ASTM A387/A387M:2011
Category Alloy Steel Alloy Steel
C (%) <=0.15 <=0.15
Si (%) 0.25-1.0 <=1.00
Mn (%) 0.30-0.60 0.30-0.60
P (%) <=0.040 <=0.025
S (%) <=0.030 <=0.025
Cr (%) 8.00-10.00 8.00-10.00
Mo (%) 0.90-1.10 0.90-1.10
Al (metallic) (%) <=0.02 Not specified
V (%) Not specified <=0.04
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) 10Cr36Mo10H ASTM A387/A387M Grade 9
Tensile Strength 410-560 MPa 415-585 MPa
Yield Strength >=135 MPa (0.2 % proof stress) >=205 MPa
Elongation >=20% >=18%
Condition Pipes, A, thickness - (first row of Table 3) Class 1 plates, no thickness ranges printed; elongation in 50 mm gauge length
Typical Applications
IS 1570 (Part 7) 10Cr36Mo10H
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
ASTM A387/A387M Grade 9
Welded boilers and pressure vessels for elevated temperature service
Key Differences
Can IS 1570 (Part 7) 10Cr36Mo10H Be Substituted With ASTM A387/A387M Grade 9?
IS 1570 (Part 7) 10Cr36Mo10H and ASTM A387/A387M Grade 9 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
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IS 1570 (Part 7) 10Cr36Mo10H
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ASTM A387/A387M Grade 9
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Frequently Asked Questions
What is the difference between IS 1570 (Part 7) 10Cr36Mo10H and ASTM A387/A387M Grade 9?
IS 1570 (Part 7) 10Cr36Mo10H specifies Al (metallic) which is not specified for ASTM A387/A387M Grade 9. ASTM A387/A387M Grade 9 specifies V which is not specified for IS 1570 (Part 7) 10Cr36Mo10H.
Can IS 1570 (Part 7) 10Cr36Mo10H be substituted with ASTM A387/A387M Grade 9?
IS 1570 (Part 7) 10Cr36Mo10H and ASTM A387/A387M Grade 9 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.