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BS 970 (Part 1) 709M40 vs IS 1570 (Part 7) 10Cr36Mo10H

Related Material — 61.8% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 709M40 (BS 970 (Part 1):1983) and IS 1570 (Part 7) 10Cr36Mo10H (IS 1570 (Part 7):1992) are both steel grades. Both fall under the Alloy Steel category. BS 970 (Part 1) 709M40 is typically used for through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of table 6., 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. BS 970 (Part 1) 709M40 is defined under British Standards (BS), originating from United Kingdom, while IS 1570 (Part 7) 10Cr36Mo10H is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, BS 970 (Part 1) 709M40 vs IS 1570 (Part 7) 10Cr36Mo10H is a 61.8% 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 61.8%.

Frequently Compared With BS 970 (Part 1) 709M40:
IS 1570 (Part 4) 103Cr6 NF A35-565 100C6 IS 1570 (Part 4) 103Cr4 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Mo6H IS 11169 (Part 1) 10Ni5Cr4
Match Breakdown
CHEMISTRY MATCH
61.8%
MECHANICAL MATCH
No shared data
OVERALL
61.8%
Specifications
Property BS 970 (Part 1) 709M40 IS 1570 (Part 7) 10Cr36Mo10H
Standard BS 970 (Part 1):1983 IS 1570 (Part 7):1992
Category Alloy Steel Alloy Steel
C (%) 0.36-0.44 <=0.15
Mn (%) 0.70-1.00 0.30-0.60
Cr (%) 0.90-1.20 8.00-10.00
Mo (%) 0.25-0.35 0.90-1.10
P (%) <=0.035 <=0.040
S (%) <=0.040 <=0.030
Si (%) Not specified 0.25-1.0
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 BS 970 (Part 1) 709M40 IS 1570 (Part 7) 10Cr36Mo10H
Tensile Strength Not specified 410-560 MPa
Yield Strength Not specified >=135 MPa (0.2 % proof stress)
Elongation Not specified >=20%
Condition Not specified Pipes, A, thickness - (first row of Table 3)
Typical Applications
BS 970 (Part 1) 709M40
Through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of Table 6.
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 BS 970 (Part 1) 709M40 Be Substituted With IS 1570 (Part 7) 10Cr36Mo10H?
BS 970 (Part 1) 709M40 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.
On M-EX Right Now
BS 970 (Part 1) 709M40
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IS 1570 (Part 7) 10Cr36Mo10H
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Frequently Asked Questions
What is the difference between BS 970 (Part 1) 709M40 and IS 1570 (Part 7) 10Cr36Mo10H?
IS 1570 (Part 7) 10Cr36Mo10H specifies Si, Al (metallic) which are not specified for BS 970 (Part 1) 709M40.
Can BS 970 (Part 1) 709M40 be substituted with IS 1570 (Part 7) 10Cr36Mo10H?
BS 970 (Part 1) 709M40 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.