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BS 970 EN54A vs IS 4367 40Ni10Cr3Mo6

Related Material — 56.8% match based on chemical composition and mechanical property overlap.

BS 970 EN54A (BS 970:1955) and IS 4367 40Ni10Cr3Mo6 (IS 4367:1991) are both steel grades. BS 970 EN54A is classified under Stainless Steel, while IS 4367 40Ni10Cr3Mo6 is classified under Alloy Steel — a different category, which is worth noting alongside the chemistry match below. BS 970 EN54A is defined under British Standards (BS), originating from United Kingdom, while IS 4367 40Ni10Cr3Mo6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, BS 970 EN54A vs IS 4367 40Ni10Cr3Mo6 is a 56.8% 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 56.8%.

Frequently Compared With BS 970 EN54A:
GOST 5632 08X18H10 EN 10088-1 1.4006 IS 1570 (Part 7) 11Cr17Ni13W3TiH ASTM A959 .- GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 EN 10088-1 1.4301 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo
Match Breakdown
CHEMISTRY MATCH
56.8%
MECHANICAL MATCH
No shared data
OVERALL
56.8%
Specifications
Property BS 970 EN54A IS 4367 40Ni10Cr3Mo6
Standard BS 970:1955 IS 4367:1991
Category Stainless Steel Alloy Steel
C (%) 0.37-0.47 0.36-0.44
Si (%) 1.00-2.00 0.10-0.35
Mn (%) 0.50-0.80 0.40-0.70
Ni (%) 13.0-15.0 2.25-2.75
Cr (%) 13.0-15.0 0.50-0.80
W (%) 2.2-3.0 Not specified
Mo (%) 0.40-0.60 0.40-0.70
Nb (%) 0.16-0.22 Not specified
S (%) <=0.045 <=0.035
P (%) <=0.045 <=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 EN54A IS 4367 40Ni10Cr3Mo6
Tensile Strength Not specified 1000-1150 MPa
Yield Strength Not specified 800 MPa min
Elongation Not specified >=12%
Izod Impact Not specified 48 J min
Hardness Not specified 295-341 HB
Hardness (soft annealed) Not specified <=250 HB
Condition Not specified Hardened and tempered, ruling section up to 150 mm
Key Differences
Can BS 970 EN54A Be Substituted With IS 4367 40Ni10Cr3Mo6?
BS 970 EN54A and IS 4367 40Ni10Cr3Mo6 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 EN54A
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IS 4367 40Ni10Cr3Mo6
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Frequently Asked Questions
What is the difference between BS 970 EN54A and IS 4367 40Ni10Cr3Mo6?
Different category: BS 970 EN54A is Stainless Steel, IS 4367 40Ni10Cr3Mo6 is Alloy Steel. BS 970 EN54A specifies W, Nb which are not specified for IS 4367 40Ni10Cr3Mo6.
Can BS 970 EN54A be substituted with IS 4367 40Ni10Cr3Mo6?
BS 970 EN54A and IS 4367 40Ni10Cr3Mo6 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.