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BS 970 (Part 1) 708M20 vs IS 1570 (Part 7) 10Cr36Mo10H

Minimal Match — 40.8% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 708M20 (BS 970 (Part 1):1991) 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) 708M20 is typically used for case hardening steel (section four), 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) 708M20 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) 708M20 vs IS 1570 (Part 7) 10Cr36Mo10H is a 61.1% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 40.8%.

Frequently Compared With BS 970 (Part 1) 708M20:
IS 1570 (Part 4) 10Mo6 NF A35-565 100C6 UNI 11234 100Cr6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 IS 1570 (Part 7) 10Mo6H IS 11169 (Part 1) 10Ni5Cr4
Match Breakdown
CHEMISTRY MATCH
61.1%
MECHANICAL MATCH
0%
OVERALL
40.8%
Specifications
Property BS 970 (Part 1) 708M20 IS 1570 (Part 7) 10Cr36Mo10H
Standard BS 970 (Part 1):1991 IS 1570 (Part 7):1992
Category Alloy Steel Alloy Steel
C (%) 0.17-0.23 <=0.15
Mn (%) 0.60-0.90 0.30-0.60
Cr (%) 0.85-1.15 8.00-10.00
Mo (%) 0.15-0.25 0.90-1.10
Si (%) Not specified 0.25-1.0
P (%) Not specified <=0.040
S (%) Not specified <=0.030
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) 708M20 IS 1570 (Part 7) 10Cr36Mo10H
Condition Case hardened, 19 mm test bar Pipes, A, thickness - (first row of Table 3)
Tensile Strength 930 MPa min 410-560 MPa
Elongation 10 % min >=20%
Yield Strength Not specified >=135 MPa (0.2 % proof stress)
Typical Applications
BS 970 (Part 1) 708M20
Case hardening steel (section four)
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) 708M20 Be Substituted With IS 1570 (Part 7) 10Cr36Mo10H?
BS 970 (Part 1) 708M20 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) 708M20
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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) 708M20 and IS 1570 (Part 7) 10Cr36Mo10H?
IS 1570 (Part 7) 10Cr36Mo10H specifies Si, P, S, Al (metallic) which are not specified for BS 970 (Part 1) 708M20.
Can BS 970 (Part 1) 708M20 be substituted with IS 1570 (Part 7) 10Cr36Mo10H?
BS 970 (Part 1) 708M20 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.