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BS 970 (Part 1) 820M17 vs IS 1570 (Part 7) 10Mo6H

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

BS 970 (Part 1) 820M17 (BS 970 (Part 1):1983) and IS 1570 (Part 7) 10Mo6H (IS 1570 (Part 7):1992) are both steel grades. Both fall under the Alloy Steel category. BS 970 (Part 1) 820M17 is typically used for case hardening steel for mechanical and allied engineering purposes (table 11 mechanical properties)., while IS 1570 (Part 7) 10Mo6H 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) 820M17 is defined under British Standards (BS), originating from United Kingdom, while IS 1570 (Part 7) 10Mo6H is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, BS 970 (Part 1) 820M17 vs IS 1570 (Part 7) 10Mo6H is a 56% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With BS 970 (Part 1) 820M17:
IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Mo6 NF A35-565 100C6 UNI 11234 100Cr6 IS 4367 10Cr9Mo10 IS 11169 (Part 1) 10Ni5Cr4 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 07Cr4Mo6
Match Breakdown
CHEMISTRY MATCH
56%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property BS 970 (Part 1) 820M17 IS 1570 (Part 7) 10Mo6H
Standard BS 970 (Part 1):1983 IS 1570 (Part 7):1992
Category Alloy Steel Alloy Steel
C (%) 0.14-0.20 <=0.15
Mn (%) 0.60-0.90 0.30-0.60
Cr (%) 0.80-1.20 1.00-1.50
Mo (%) 0.10-0.20 0.45-0.60
Ni (%) 1.50-2.00 Not specified
P (%) <=0.035 <=0.030
S (%) <=0.040 <=0.030
Si (%) Not specified 0.50-1.00
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) 820M17 IS 1570 (Part 7) 10Mo6H
Tensile Strength Not specified >=415 MPa
Yield Strength Not specified >=205 MPa (0.2 % proof stress)
Elongation Not specified >=30%
Condition Not specified Tubes, N+T, thickness - (first row of Table 3)
Typical Applications
BS 970 (Part 1) 820M17
Case hardening steel for mechanical and allied engineering purposes (Table 11 mechanical properties).
IS 1570 (Part 7) 10Mo6H
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) 820M17 Be Substituted With IS 1570 (Part 7) 10Mo6H?
BS 970 (Part 1) 820M17 and IS 1570 (Part 7) 10Mo6H 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) 820M17
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IS 1570 (Part 7) 10Mo6H
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Frequently Asked Questions
What is the difference between BS 970 (Part 1) 820M17 and IS 1570 (Part 7) 10Mo6H?
BS 970 (Part 1) 820M17 specifies Ni which is not specified for IS 1570 (Part 7) 10Mo6H. IS 1570 (Part 7) 10Mo6H specifies Si which is not specified for BS 970 (Part 1) 820M17.
Can BS 970 (Part 1) 820M17 be substituted with IS 1570 (Part 7) 10Mo6H?
BS 970 (Part 1) 820M17 and IS 1570 (Part 7) 10Mo6H 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.