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BS 970 EN12 vs IS 4367 07Cr4Mo6

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

BS 970 EN12 (BS 970:1955) and IS 4367 07Cr4Mo6 (IS 4367:1991) are both steel grades. Both fall under the Alloy Steel category. BS 970 EN12 is defined under British Standards (BS), originating from United Kingdom, while IS 4367 07Cr4Mo6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, BS 970 EN12 vs IS 4367 07Cr4Mo6 is a 56% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With BS 970 EN12:
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 7) 10Mo6H IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 10Mo6 IS 11169 (Part 1) 10Ni5Cr4
Match Breakdown
CHEMISTRY MATCH
56%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property BS 970 EN12 IS 4367 07Cr4Mo6
Standard BS 970:1955 IS 4367:1991
Category Alloy Steel Alloy Steel
C (%) 0.30-0.45 <=0.12
Si (%) 0.10-0.35 0.15-0.60
Mn (%) <=1.50 0.40-0.70
Ni (%) 0.60-1.00 <=0.30
S (%) <=0.050 <=0.035
P (%) <=0.050 <=0.035
Cr (%) Not specified 0.70-1.10
Mo (%) Not specified 0.45-0.65
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 EN12 IS 4367 07Cr4Mo6
Tensile Strength ≥541 MPa (35 tons/sq in, converted) 380-550 MPa
Yield Strength ≥309 MPa (20 tons/sq in, converted) 225 MPa min
Elongation ≥20% >=19%
Hardness 152-207 HB Not specified
Condition Normalised, ruling section 6 in (lowest-strength condition of the standard) Normalised and tempered, ruling section up to 40 mm
Izod Impact Not specified 60 J min
Hardness (soft annealed) Not specified <=170 HB
Typical Applications
BS 970 EN12
Bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. Suitable in hardened and tempered condition for tensile range 40/50 (Q) tons/sq in; purchaser to state normalised or hardened and tempered.
IS 4367 07Cr4Mo6
Not documented
Key Differences
Can BS 970 EN12 Be Substituted With IS 4367 07Cr4Mo6?
BS 970 EN12 and IS 4367 07Cr4Mo6 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 EN12
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IS 4367 07Cr4Mo6
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Frequently Asked Questions
What is the difference between BS 970 EN12 and IS 4367 07Cr4Mo6?
IS 4367 07Cr4Mo6 specifies Cr, Mo which are not specified for BS 970 EN12.
Can BS 970 EN12 be substituted with IS 4367 07Cr4Mo6?
BS 970 EN12 and IS 4367 07Cr4Mo6 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.