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BS 970 EN325 vs IS 1570 (Part 4) 20Ni7Cr2Mo2

Strong Match — 89.7% match based on chemical composition and mechanical property overlap.

BS 970 EN325 (BS 970:1955) and IS 1570 (Part 4) 20Ni7Cr2Mo2 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. BS 970 EN325 is defined under British Standards (BS), originating from United Kingdom, while IS 1570 (Part 4) 20Ni7Cr2Mo2 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, BS 970 EN325 vs IS 1570 (Part 4) 20Ni7Cr2Mo2 is a 89.7% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 89.7%.

Frequently Compared With BS 970 EN325:
NF A35-565 100C6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 UNI 11234 100Cr6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 7) 10Mo6H IS 11169 (Part 1) 10Ni5Cr4 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 105Cr5 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6
Match Breakdown
CHEMISTRY MATCH
89.7%
MECHANICAL MATCH
No shared data
OVERALL
89.7%
Specifications
Property BS 970 EN325 IS 1570 (Part 4) 20Ni7Cr2Mo2
Standard BS 970:1955 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) <=0.22 0.17-0.22
Si (%) 0.10-0.35 0.15-0.35
Mn (%) 0.45-0.65 0.45-0.65
Ni (%) 1.50-2.00 1.65-2.00
Cr (%) 0.40-0.60 0.40-0.60
Mo (%) 0.20-0.30 0.20-0.30
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 EN325 IS 1570 (Part 4) 20Ni7Cr2Mo2
Tensile Strength ≥849 MPa (55 tons/sq in, converted) Not specified
Elongation ≥15% Not specified
Condition core, min (lowest-strength condition of the standard) Not specified
Key Differences
Can BS 970 EN325 Be Substituted With IS 1570 (Part 4) 20Ni7Cr2Mo2?
BS 970 EN325 and IS 1570 (Part 4) 20Ni7Cr2Mo2 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 4) 20Ni7Cr2Mo2 is often considered as a substitute for BS 970 EN325 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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BS 970 EN325
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IS 1570 (Part 4) 20Ni7Cr2Mo2
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Frequently Asked Questions
What is the difference between BS 970 EN325 and IS 1570 (Part 4) 20Ni7Cr2Mo2?
BS 970 EN325 specifies S, P which are not specified for IS 1570 (Part 4) 20Ni7Cr2Mo2.
Can BS 970 EN325 be substituted with IS 1570 (Part 4) 20Ni7Cr2Mo2?
BS 970 EN325 and IS 1570 (Part 4) 20Ni7Cr2Mo2 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 4) 20Ni7Cr2Mo2 is often considered as a substitute for BS 970 EN325 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.