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BS 970 EN39B vs IS 1570 (Part 7) 10Cr36Mo10H

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

BS 970 EN39B (BS 970:1955) and IS 1570 (Part 7) 10Cr36Mo10H (IS 1570 (Part 7):1992) are both steel grades. Both fall under the Alloy Steel category. BS 970 EN39B 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 EN39B vs IS 1570 (Part 7) 10Cr36Mo10H is a 56.5% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With BS 970 EN39B:
IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 105Cr5 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr6 IS 11169 (Part 1) 10Ni5Cr4
Match Breakdown
CHEMISTRY MATCH
56.5%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property BS 970 EN39B IS 1570 (Part 7) 10Cr36Mo10H
Standard BS 970:1955 IS 1570 (Part 7):1992
Category Alloy Steel Alloy Steel
C (%) 0.12-0.18 <=0.15
Si (%) 0.10-0.35 0.25-1.0
Mn (%) <=0.50 0.30-0.60
Ni (%) 3.80-4.50 Not specified
Cr (%) 1.00-1.40 8.00-10.00
Mo (%) 0.15-0.35 0.90-1.10
S (%) <=0.050 <=0.030
P (%) <=0.050 <=0.040
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 EN39B IS 1570 (Part 7) 10Cr36Mo10H
Tensile Strength ≥1313 MPa (85 tons/sq in, converted) 410-560 MPa
Elongation ≥12% >=20%
Condition Core, after heat treatment (lowest-strength condition of the standard) Pipes, A, thickness - (first row of Table 3)
Yield Strength Not specified >=135 MPa (0.2 % proof stress)
Typical Applications
BS 970 EN39B
Not documented
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 EN39B Be Substituted With IS 1570 (Part 7) 10Cr36Mo10H?
BS 970 EN39B 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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BS 970 EN39B
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IS 1570 (Part 7) 10Cr36Mo10H
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Frequently Asked Questions
What is the difference between BS 970 EN39B and IS 1570 (Part 7) 10Cr36Mo10H?
BS 970 EN39B specifies Ni which is not specified for IS 1570 (Part 7) 10Cr36Mo10H. IS 1570 (Part 7) 10Cr36Mo10H specifies Al (metallic) which is not specified for BS 970 EN39B.
Can BS 970 EN39B be substituted with IS 1570 (Part 7) 10Cr36Mo10H?
BS 970 EN39B 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.