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BS 970 (Part 1) 527A17 vs IS 1570 (Part 4) 103Cr6

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 527A17 (BS 970 (Part 1):1991) and IS 1570 (Part 4) 103Cr6 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. BS 970 (Part 1) 527A17 is defined under British Standards (BS), originating from United Kingdom, while IS 1570 (Part 4) 103Cr6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, BS 970 (Part 1) 527A17 vs IS 1570 (Part 4) 103Cr6 is a 71.4% 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 69.9%.

Frequently Compared With BS 970 (Part 1) 527A17:
NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Mo6H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 105Cr5 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 11169 (Part 1) 10Ni5Cr4
Match Breakdown
CHEMISTRY MATCH
71.4%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property BS 970 (Part 1) 527A17 IS 1570 (Part 4) 103Cr6
Standard BS 970 (Part 1):1991 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.14-0.19 0.95-1.10
Mn (%) 0.70-0.90 0.25-0.45
Cr (%) 0.70-0.90 1.40-1.60
Si (%) Not specified 0.10-0.35
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) 527A17 IS 1570 (Part 4) 103Cr6
Condition Case hardened, 19 mm test bar Not specified
Tensile Strength 770 MPa min Not specified
Elongation 12 % min Not specified
Typical Applications
BS 970 (Part 1) 527A17
Case hardening steel (section four)
IS 1570 (Part 4) 103Cr6
Not documented
Key Differences
Can BS 970 (Part 1) 527A17 Be Substituted With IS 1570 (Part 4) 103Cr6?
BS 970 (Part 1) 527A17 and IS 1570 (Part 4) 103Cr6 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) 527A17
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IS 1570 (Part 4) 103Cr6
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Frequently Asked Questions
What is the difference between BS 970 (Part 1) 527A17 and IS 1570 (Part 4) 103Cr6?
IS 1570 (Part 4) 103Cr6 specifies Si which is not specified for BS 970 (Part 1) 527A17.
Can BS 970 (Part 1) 527A17 be substituted with IS 1570 (Part 4) 103Cr6?
BS 970 (Part 1) 527A17 and IS 1570 (Part 4) 103Cr6 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.