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BS 970 EN54A vs BS 970 (Part 1) 826M40

Related Material — 57% match based on chemical composition and mechanical property overlap.

BS 970 EN54A (BS 970:1955) and BS 970 (Part 1) 826M40 (BS 970 (Part 1):1983) are both steel grades. BS 970 EN54A is classified under Stainless Steel, while BS 970 (Part 1) 826M40 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 BS 970 (Part 1) 826M40 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 EN54A vs BS 970 (Part 1) 826M40 is a 57% 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 57%.

Frequently Compared With BS 970 EN54A:
ASTM A959 .- GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo
Match Breakdown
CHEMISTRY MATCH
57%
MECHANICAL MATCH
No shared data
OVERALL
57%
Specifications
Property BS 970 EN54A BS 970 (Part 1) 826M40
Standard BS 970:1955 BS 970 (Part 1):1983
Category Stainless Steel Alloy Steel
C (%) 0.37-0.47 0.36-0.44
Si (%) 1.00-2.00 Not specified
Mn (%) 0.50-0.80 0.45-0.70
Ni (%) 13.0-15.0 2.30-2.80
Cr (%) 13.0-15.0 0.50-0.80
W (%) 2.2-3.0 Not specified
Mo (%) 0.40-0.60 0.45-0.65
Nb (%) 0.16-0.22 Not specified
S (%) <=0.045 <=0.040
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.
Typical Applications
BS 970 EN54A
Not documented
BS 970 (Part 1) 826M40
Through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of Table 6.
Key Differences
Can BS 970 EN54A Be Substituted With BS 970 (Part 1) 826M40?
BS 970 EN54A and BS 970 (Part 1) 826M40 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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BS 970 (Part 1) 826M40
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Frequently Asked Questions
What is the difference between BS 970 EN54A and BS 970 (Part 1) 826M40?
Different category: BS 970 EN54A is Stainless Steel, BS 970 (Part 1) 826M40 is Alloy Steel. BS 970 EN54A specifies Si, W, Nb which are not specified for BS 970 (Part 1) 826M40.
Can BS 970 EN54A be substituted with BS 970 (Part 1) 826M40?
BS 970 EN54A and BS 970 (Part 1) 826M40 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.