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BS 970 (Part 1) 431S29 vs EN 10088-1 1.4401

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

BS 970 (Part 1) 431S29 (BS 970 (Part 1):1991) and EN 10088-1 1.4401 (EN 10088-1:2014) are both steel grades. Both fall under the Stainless Steel category. BS 970 (Part 1) 431S29 is typically used for ferritic and martensitic stainless and heat resisting steel (section five), while EN 10088-1 1.4401 is commonly used for marine, chemical processing, pharmaceutical equipment. BS 970 (Part 1) 431S29 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 (Part 1) 431S29 vs EN 10088-1 1.4401 is a 58% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With BS 970 (Part 1) 431S29:
IS 1570 (Part 7) 11Cr17Ni13W3TiH GOST 5632 08X18H10 ASTM A959 205 GB/T 3280 06Cr19Ni10 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo ASTM A959 .- EN 10088-1 1.4006 EN 10088-1 1.4301 GOST 5632 06Kh23N28
Match Breakdown
CHEMISTRY MATCH
58%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property BS 970 (Part 1) 431S29 EN 10088-1 1.4401
Standard BS 970 (Part 1):1991 EN 10088-1:2014
Category Stainless Steel Stainless Steel
C (%) 0.12-0.20 ≤0.07
Si (%) <=1.0 ≤1.00
Mn (%) <=1.0 ≤2.00
P (%) <=0.040 Not specified
S (%) <=0.030 Not specified
Cr (%) 15.0-18.0 16.5–18.5
Ni (%) 2.0-3.0 10.5–13.5
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 (Part 1) 431S29 EN 10088-1 1.4401
Tensile Strength Not specified ≥520 MPa
Yield Strength Not specified ≥210 MPa
Elongation Not specified ≥40%
Hardness Not specified ≤215 HB
Typical Applications
BS 970 (Part 1) 431S29
Ferritic and martensitic stainless and heat resisting steel (section five)
EN 10088-1 1.4401
Marine, chemical processing, pharmaceutical equipment
Key Differences
Can BS 970 (Part 1) 431S29 Be Substituted With EN 10088-1 1.4401?
BS 970 (Part 1) 431S29 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 (Part 1) 431S29
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 (Part 1) 431S29
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 (Part 1) 431S29 and EN 10088-1 1.4401?
BS 970 (Part 1) 431S29 specifies P, S which are not specified for EN 10088-1 1.4401. EN 10088-1 1.4401 specifies Mo which is not specified for BS 970 (Part 1) 431S29.
Can BS 970 (Part 1) 431S29 be substituted with EN 10088-1 1.4401?
BS 970 (Part 1) 431S29 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.