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BS 970 EN41B vs EN 10028-2 10CrMo9-10

Minimal Match — 33.2% match based on chemical composition and mechanical property overlap.

BS 970 EN41B (BS 970:1955) and EN 10028-2 10CrMo9-10 (EN 10028-2:2017) are both steel grades. Both fall under the Alloy Steel category. BS 970 EN41B is typically used for nitrided gears, crankshafts, cylinder liners, while EN 10028-2 10CrMo9-10 is commonly used for flat products for pressure purposes. BS 970 EN41B is defined under British Standards (BS), originating from United Kingdom, while EN 10028-2 10CrMo9-10 is defined under European Standard (EN), originating from Europe.

As per chemical composition, BS 970 EN41B vs EN 10028-2 10CrMo9-10 is a 49.7% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 33.2%.

Frequently Compared With BS 970 EN41B:
UNI 11234 100Cr6 GB/T 3077 12Cr2Ni4A GOST 4543 12HN3A NF A35-565 100C6 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 103Cr4 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 103Cr6
Match Breakdown
CHEMISTRY MATCH
49.7%
MECHANICAL MATCH
0%
OVERALL
33.2%
Specifications
Property BS 970 EN41B EN 10028-2 10CrMo9-10
Standard BS 970:1955 EN 10028-2:2017
Category Alloy Steel Alloy Steel
C (%) 0.35-0.45 0.08-0.14
Si (%) 0.10-0.45 <=0.50
Mn (%) <=0.65 0.40-0.80
Ni (%) <=0.40 Not specified
Cr (%) 1.40-1.80 2.00-2.50
Mo (%) 0.10-0.25 0.90-1.10
Al (%) 0.90-1.30 Not specified
S (%) <=0.050 <=0.010
P (%) <=0.050 <=0.020
N (%) Not specified <=0.012
Cu (%) Not specified <=0.30
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 EN41B EN 10028-2 10CrMo9-10
Tensile Strength ≥695 MPa (45 tons/sq in, converted) 480-630 MPa
Yield Strength ≥525 MPa (34 tons/sq in, converted) >=310 MPa
Elongation ≥20% >=18%
Hardness 201-255 HB Not specified
Condition Hardened and tempered R, ruling section 6 in (lowest-strength condition of the standard) Usual delivery condition normalized and tempered (+NT), nominal thickness up to 16 mm; transverse direction, Yield Strength is ReH, Elongation is A
Typical Applications
BS 970 EN41B
Nitrided gears, crankshafts, cylinder liners
EN 10028-2 10CrMo9-10
Flat products for pressure purposes
Key Differences
Can BS 970 EN41B Be Substituted With EN 10028-2 10CrMo9-10?
BS 970 EN41B and EN 10028-2 10CrMo9-10 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 EN41B
Round Bar → (3 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5700–6800 mm (224.41–267.72 in)
EN 10028-2 10CrMo9-10
No active listings currently.
On M-EX Right Now
BS 970 EN41B
3 active listings and RFQs →
EN 10028-2 10CrMo9-10
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 EN41B and EN 10028-2 10CrMo9-10?
BS 970 EN41B specifies Ni, Al which are not specified for EN 10028-2 10CrMo9-10. EN 10028-2 10CrMo9-10 specifies N, Cu which are not specified for BS 970 EN41B.
Can BS 970 EN41B be substituted with EN 10028-2 10CrMo9-10?
BS 970 EN41B and EN 10028-2 10CrMo9-10 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.