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BS 970 EN160A vs IS 4432 20Ni7Mo2

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

BS 970 EN160A (BS 970:1955) and IS 4432 20Ni7Mo2 (IS 4432:1988) are both steel grades. Both fall under the Alloy Steel category. BS 970 EN160A is defined under British Standards (BS), originating from United Kingdom, while IS 4432 20Ni7Mo2 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, BS 970 EN160A vs IS 4432 20Ni7Mo2 is a 80.7% 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 EN160A:
IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 UNI 11234 100Cr6 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 4) 10Mo6 IS 1570 (Part 7) 10Mo6H IS 1570 (Part 7) 10Cr36Mo10H
Match Breakdown
CHEMISTRY MATCH
80.7%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property BS 970 EN160A IS 4432 20Ni7Mo2
Standard BS 970:1955 IS 4432:1988
Category Alloy Steel Alloy Steel
C (%) 0.38-0.43 0.17-0.22
Si (%) 0.10-0.35 0.15-0.35
Mn (%) 0.30-0.60 0.40-0.65
Ni (%) 1.50-2.00 1.65-2.00
Mo (%) 0.20-0.35 0.20-0.30
S (%) <=0.050 <=0.035
P (%) <=0.050 <=0.035
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 EN160A IS 4432 20Ni7Mo2
Core Tensile Strength Not specified 800-1150 MPa (16 mm) / 700-1000 MPa (30 mm) / 650-950 MPa (63 mm)
Core Yield Strength Not specified >=550 MPa (16 mm) / >=500 MPa (30 mm) / >=450 MPa (63 mm)
Core Elongation Not specified >=8% (16 mm) / >=9% (30 mm) / >=10% (63 mm)
Core Reduction of Area Not specified >=35% (16 mm) / >=35% (30 mm) / >=40% (63 mm)
Hardness, annealed (A) Not specified <=217 HB
Typical Applications
BS 970 EN160A
Not documented
IS 4432 20Ni7Mo2
Forgings and fabrication of case-hardened machine or automobile parts
Can BS 970 EN160A Be Substituted With IS 4432 20Ni7Mo2?
BS 970 EN160A and IS 4432 20Ni7Mo2 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 EN160A
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IS 4432 20Ni7Mo2
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Frequently Asked Questions
What is the difference between BS 970 EN160A and IS 4432 20Ni7Mo2?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 EN160A be substituted with IS 4432 20Ni7Mo2?
BS 970 EN160A and IS 4432 20Ni7Mo2 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.