Post Stock Login Register

BS 970 EN57 vs EN 10088-1 1.4401

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

BS 970 EN57 (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 EN57 is typically used for bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. suitable for tensile strength of 55 tons/sq in min., while EN 10088-1 1.4401 is commonly used for marine, chemical processing, pharmaceutical equipment. BS 970 EN57 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 EN57 vs EN 10088-1 1.4401 is a 60.6% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With BS 970 EN57:
EN 10088-1 1.4301 IS 1570 (Part 7) 11Cr17Ni13W3TiH GB/T 3280 06Cr19Ni10 GOST 5632 08X18H10 IS 1570 (Part 7) 12Cr12MoVH ASTM A959 .- GOST 5632 06Kh23N28 EN 10088-1 1.4006 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12Ni2Mo IS 1570 (Part 7) 12Cr13H
Match Breakdown
CHEMISTRY MATCH
60.6%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property BS 970 EN57 EN 10088-1 1.4401
Standard BS 970:1955 EN 10088-1:2014
Category Stainless Steel Stainless Steel
C (%) <=0.25 ≤0.07
Si (%) 0.10-1.00 ≤1.00
Mn (%) <=1.00 ≤2.00
Ni (%) 1.00-3.00 10.5–13.5
Cr (%) 15.5-20.0 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 EN57 EN 10088-1 1.4401
Tensile Strength ≥849 MPa (55 tons/sq in, converted) ≥520 MPa
Yield Strength ≥680 MPa (44 tons/sq in, converted) ≥210 MPa
Elongation ≥15% ≥40%
Hardness 248 HB ≤215 HB
Condition Hardened and tempered (ruling 6), ruling section 6 in (lowest-strength condition of the standard) Not specified
Typical Applications
BS 970 EN57
Bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. Suitable for tensile strength of 55 tons/sq in min.
EN 10088-1 1.4401
Marine, chemical processing, pharmaceutical equipment
Key Differences
Can BS 970 EN57 Be Substituted With EN 10088-1 1.4401?
BS 970 EN57 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 EN57
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 EN57
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 EN57 and EN 10088-1 1.4401?
BS 970 EN57 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 EN57.
Can BS 970 EN57 be substituted with EN 10088-1 1.4401?
BS 970 EN57 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.