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ASTM A681 D7 vs IS 1570 (Part 7) 10Cr36Mo10H

Related Material — 65% match based on chemical composition and mechanical property overlap.

ASTM A681 D7 (ASTM A681:2008) and IS 1570 (Part 7) 10Cr36Mo10H (IS 1570 (Part 7):1992) are both steel grades. ASTM A681 D7 is classified under Tool & Die Steels, while IS 1570 (Part 7) 10Cr36Mo10H is classified under Alloy Steel — a different category, which is worth noting alongside the chemistry match below. ASTM A681 D7 is typically used for tools, dies and fixtures (clause 1.2), while IS 1570 (Part 7) 10Cr36Mo10H is commonly used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature. ASTM A681 D7 is defined under ASTM International, originating from United States, while IS 1570 (Part 7) 10Cr36Mo10H is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, ASTM A681 D7 vs IS 1570 (Part 7) 10Cr36Mo10H is a 67.4% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 65%.

Frequently Compared With ASTM A681 D7:
DIN EN ISO 4957 1.2379 GOST 5950 3H2W8F EN ISO 683-17 100Cr6 IS 1570 (Part 6) 118T3 GB/T 1299 3Cr2W8V EN ISO 4957 1.2316 DIN EN ISO 4957 1.2344 IS 1570 (Part 6) 103T3 IS 1570 (Part 6) 133T3 GB/T 1299 4Cr5MoSiV GB/T 1299 4Cr5MoSiV1 GOST 5950 4H5MFS
Match Breakdown
CHEMISTRY MATCH
67.4%
MECHANICAL MATCH
No shared data
OVERALL
65%
Specifications
Property ASTM A681 D7 IS 1570 (Part 7) 10Cr36Mo10H
Standard ASTM A681:2008 IS 1570 (Part 7):1992
Category Tool & Die Steels Alloy Steel
C (%) 2.15-2.50 <=0.15
Mn (%) 0.10-0.60 0.30-0.60
P (%) <=0.030 <=0.040
S (%) <=0.030 <=0.030
Si (%) 0.10-0.60 0.25-1.0
Cr (%) 11.50-13.50 8.00-10.00
V (%) 3.80-4.40 Not specified
Mo (%) 0.70-1.20 0.90-1.10
Al (metallic) (%) Not specified <=0.02
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM A681 D7 IS 1570 (Part 7) 10Cr36Mo10H
Hardness <=262 HB Not specified
Condition Annealed (maximum Brinell hardness) Pipes, A, thickness - (first row of Table 3)
Tensile Strength Not specified 410-560 MPa
Yield Strength Not specified >=135 MPa (0.2 % proof stress)
Elongation Not specified >=20%
Typical Applications
ASTM A681 D7
Tools, dies and fixtures (clause 1.2)
IS 1570 (Part 7) 10Cr36Mo10H
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Key Differences
Can ASTM A681 D7 Be Substituted With IS 1570 (Part 7) 10Cr36Mo10H?
ASTM A681 D7 and IS 1570 (Part 7) 10Cr36Mo10H 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 A681 D7
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IS 1570 (Part 7) 10Cr36Mo10H
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Frequently Asked Questions
What is the difference between ASTM A681 D7 and IS 1570 (Part 7) 10Cr36Mo10H?
Different category: ASTM A681 D7 is Tool & Die Steels, IS 1570 (Part 7) 10Cr36Mo10H is Alloy Steel. ASTM A681 D7 specifies V which is not specified for IS 1570 (Part 7) 10Cr36Mo10H. IS 1570 (Part 7) 10Cr36Mo10H specifies Al (metallic) which is not specified for ASTM A681 D7.
Can ASTM A681 D7 be substituted with IS 1570 (Part 7) 10Cr36Mo10H?
ASTM A681 D7 and IS 1570 (Part 7) 10Cr36Mo10H 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.