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BS 970 EN30B vs IS 1570 (Part 4) 16Ni6Cr7Mo3

Related Material — 68.9% match based on chemical composition and mechanical property overlap.

BS 970 EN30B (BS 970:1955) and IS 1570 (Part 4) 16Ni6Cr7Mo3 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. BS 970 EN30B is defined under British Standards (BS), originating from United Kingdom, while IS 1570 (Part 4) 16Ni6Cr7Mo3 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, BS 970 EN30B vs IS 1570 (Part 4) 16Ni6Cr7Mo3 is a 68.9% 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 68.9%.

Frequently Compared With BS 970 EN30B:
IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 IS 1570 (Part 7) 10Mo6H NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 10Mo6
Match Breakdown
CHEMISTRY MATCH
68.9%
MECHANICAL MATCH
No shared data
OVERALL
68.9%
Specifications
Property BS 970 EN30B IS 1570 (Part 4) 16Ni6Cr7Mo3
Standard BS 970:1955 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.26-0.34 0.14-0.19
Si (%) 0.10-0.35 0.15-0.35
Mn (%) 0.40-0.60 0.40-0.60
Ni (%) 3.90-4.30 1.40-1.70
Cr (%) 1.10-1.40 1.50-1.80
Mo (%) 0.20-0.40 0.25-0.35
S (%) <=0.050 Not specified
P (%) <=0.050 Not specified
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 EN30B IS 1570 (Part 4) 16Ni6Cr7Mo3
Tensile Strength ≥1544 MPa (100 tons/sq in, converted) Not specified
Yield Strength ≥1313 MPa (85 tons/sq in, converted) Not specified
Elongation ≥10% Not specified
Hardness 444 HB Not specified
Condition Air hardened and tempered (lowest-strength condition of the standard) Not specified
Key Differences
Can BS 970 EN30B Be Substituted With IS 1570 (Part 4) 16Ni6Cr7Mo3?
BS 970 EN30B and IS 1570 (Part 4) 16Ni6Cr7Mo3 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 EN30B
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IS 1570 (Part 4) 16Ni6Cr7Mo3
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Frequently Asked Questions
What is the difference between BS 970 EN30B and IS 1570 (Part 4) 16Ni6Cr7Mo3?
BS 970 EN30B specifies S, P which are not specified for IS 1570 (Part 4) 16Ni6Cr7Mo3.
Can BS 970 EN30B be substituted with IS 1570 (Part 4) 16Ni6Cr7Mo3?
BS 970 EN30B and IS 1570 (Part 4) 16Ni6Cr7Mo3 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.