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BS 970 EN58A vs EN 10088-1 1.4401

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

BS 970 EN58A (BS 970:1955) and EN 10088-1 1.4401 (EN 10088-1:2014) are both steel grades. Both fall under the Stainless Steel category. BS 970 EN58A is typically used for bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. suitable for tensile strength of 35 tons/sq in min., while EN 10088-1 1.4401 is commonly used for marine, chemical processing, pharmaceutical equipment. BS 970 EN58A is defined under British Standards (BS), originating from United Kingdom, while EN 10088-1 1.4401 is defined under European Standard (EN), originating from Europe.

As per chemical composition, BS 970 EN58A vs EN 10088-1 1.4401 is a 61.3% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With BS 970 EN58A:
IS 1570 (Part 7) 12Cr12MoVH EN 10088-1 1.4301 EN 10088-1 1.4845 GB/T 3280 06Cr19Ni10 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12Ni2Mo ASTM A959 .- GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4006 IS 1570 (Part 7) 12Cr13H IS 1570 (Part 7) 11Cr17Ni13W3TiH
Match Breakdown
CHEMISTRY MATCH
61.3%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property BS 970 EN58A EN 10088-1 1.4401
Standard BS 970:1955 EN 10088-1:2014
Category Stainless Steel Stainless Steel
C (%) <=0.16 ≤0.07
Si (%) >=0.20 ≤1.00
Mn (%) <=2.00 ≤2.00
Ni (%) 7.0-10.0 10.5–13.5
Cr (%) 17.0-20.0 16.5–18.5
S (%) <=0.045 Not specified
P (%) <=0.045 Not specified
Mo (%) Not specified 2.0–2.5
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 EN58A EN 10088-1 1.4401
Tensile Strength ≥541 MPa (35 tons/sq in, converted) ≥520 MPa
Yield Strength ≥185 MPa (12 tons/sq in, converted) ≥210 MPa
Elongation ≥30% ≥40%
Condition , ruling section 6 in (lowest-strength condition of the standard) Not specified
Hardness Not specified ≤215 HB
Typical Applications
BS 970 EN58A
Bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. Suitable for tensile strength of 35 tons/sq in min.
EN 10088-1 1.4401
Marine, chemical processing, pharmaceutical equipment
Key Differences
Can BS 970 EN58A Be Substituted With EN 10088-1 1.4401?
BS 970 EN58A and EN 10088-1 1.4401 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.
Forms & Sizes Available on M-EX
BS 970 EN58A
No active listings currently.
EN 10088-1 1.4401
Sheet → (4 listings)
Thickness: 6–6 mm (0.24–0.24 in)
Width: 1250–1250 mm (49.21–49.21 in)
Length: 2500–3400 mm (98.43–133.86 in)
On M-EX Right Now
BS 970 EN58A
0 active listings and RFQs →
EN 10088-1 1.4401
4 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 EN58A and EN 10088-1 1.4401?
BS 970 EN58A specifies S, P which are not specified for EN 10088-1 1.4401. EN 10088-1 1.4401 specifies Mo which is not specified for BS 970 EN58A.
Can BS 970 EN58A be substituted with EN 10088-1 1.4401?
BS 970 EN58A and EN 10088-1 1.4401 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.