BS 970 (Part 1) 321S31 vs EN 10088-1 1.4845

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

BS 970 (Part 1) 321S31 (BS 970 (Part 1):1991) and EN 10088-1 1.4845 (EN 10088-1:2014) are both steel grades. Both fall under the Stainless Steel category. BS 970 (Part 1) 321S31 is typically used for austenitic stainless and heat resisting steel (section five), while EN 10088-1 1.4845 is commonly used for furnace parts, heat exchangers, kiln components. BS 970 (Part 1) 321S31 is defined under British Standards (BS), originating from United Kingdom, while EN 10088-1 1.4845 is defined under European Standard (EN), originating from Europe.

As per chemical composition, BS 970 (Part 1) 321S31 vs EN 10088-1 1.4845 is a 68.1% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With BS 970 (Part 1) 321S31:
IS 1570 (Part 7) 12Cr13H GOST 5632 06Kh23N28 IS 1570 (Part 7) 11Cr17Ni13W3TiH GB/T 3280 06Cr19Ni10 EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4401 IS 1570 (Part 7) 12Cr12MoH ASTM A959 .- GOST 5632 08X18H10 IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo
Match Breakdown
CHEMISTRY MATCH
68.1%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property BS 970 (Part 1) 321S31 EN 10088-1 1.4845
Standard BS 970 (Part 1):1991 EN 10088-1:2014
Category Stainless Steel Stainless Steel
C (%) <=0.08 ≤0.10
Si (%) <=1.0 ≤1.50
Mn (%) <=2.0 ≤2.00
P (%) <=0.045 Not specified
S (%) <=0.030 Not specified
Cr (%) 17.0-19.0 24.0–26.0
Ni (%) 9.0-12.0 19.0–22.0
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) 321S31 EN 10088-1 1.4845
Condition Softened, 1000-1100 deg C Not specified
Tensile Strength 510 MPa min ≥515 MPa
Yield Strength 200 MPa min (0.2% proof) ≥205 MPa
Elongation 35 % min ≥40%
Hardness 183 HB max Not specified
Max Service Temp Not specified 1100°C continuous
Typical Applications
BS 970 (Part 1) 321S31
Austenitic stainless and heat resisting steel (section five)
EN 10088-1 1.4845
Furnace parts, heat exchangers, kiln components
Key Differences
Can BS 970 (Part 1) 321S31 Be Substituted With EN 10088-1 1.4845?
BS 970 (Part 1) 321S31 and EN 10088-1 1.4845 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) 321S31
No active listings currently.
EN 10088-1 1.4845
Sheet → (3 listings)
Thickness: 6–6 mm (0.24–0.24 in)
Width: 1250–1250 mm (49.21–49.21 in)
Length: 2700–3200 mm (106.3–125.98 in)
On M-EX Right Now
BS 970 (Part 1) 321S31
0 active listings and RFQs →
EN 10088-1 1.4845
3 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 (Part 1) 321S31 and EN 10088-1 1.4845?
BS 970 (Part 1) 321S31 specifies P, S which are not specified for EN 10088-1 1.4845.
Can BS 970 (Part 1) 321S31 be substituted with EN 10088-1 1.4845?
BS 970 (Part 1) 321S31 and EN 10088-1 1.4845 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.