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BS 970 (Part 1) 655M13 vs EN 10028-2 10CrMo9-10

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

BS 970 (Part 1) 655M13 (BS 970 (Part 1):1991) and EN 10028-2 10CrMo9-10 (EN 10028-2:2017) are both steel grades. Both fall under the Alloy Steel category. BS 970 (Part 1) 655M13 is typically used for case hardened gears, heavily loaded shafts, while EN 10028-2 10CrMo9-10 is commonly used for flat products for pressure purposes. BS 970 (Part 1) 655M13 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 (Part 1) 655M13 vs EN 10028-2 10CrMo9-10 is a 53.1% 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) 655M13:
NF A35-565 100C6 GOST 4543 12HN3A UNI 11234 100Cr6 GB/T 3077 12Cr2Ni4A IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10
Match Breakdown
CHEMISTRY MATCH
53.1%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property BS 970 (Part 1) 655M13 EN 10028-2 10CrMo9-10
Standard BS 970 (Part 1):1991 EN 10028-2:2017
Category Alloy Steel Alloy Steel
C (%) 0.10-0.16 0.08-0.14
Mn (%) 0.35-0.60 0.40-0.80
Cr (%) 0.70-1.00 2.00-2.50
Ni (%) 3.00-3.75 Not specified
Si (%) Not specified <=0.50
P (%) Not specified <=0.020
S (%) Not specified <=0.010
N (%) Not specified <=0.012
Cu (%) Not specified <=0.30
Mo (%) Not specified 0.90-1.10
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) 655M13 EN 10028-2 10CrMo9-10
Condition Case hardened, 19 mm test bar Usual delivery condition normalized and tempered (+NT), nominal thickness up to 16 mm; transverse direction, Yield Strength is ReH, Elongation is A
Tensile Strength 1000 MPa min 480-630 MPa
Elongation 9 % min >=18%
Yield Strength Not specified >=310 MPa
Typical Applications
BS 970 (Part 1) 655M13
Case hardened gears, heavily loaded shafts
EN 10028-2 10CrMo9-10
Flat products for pressure purposes
Key Differences
Can BS 970 (Part 1) 655M13 Be Substituted With EN 10028-2 10CrMo9-10?
BS 970 (Part 1) 655M13 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 (Part 1) 655M13
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 4200–6300 mm (165.35–248.03 in)
EN 10028-2 10CrMo9-10
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On M-EX Right Now
BS 970 (Part 1) 655M13
2 active listings and RFQs →
EN 10028-2 10CrMo9-10
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Frequently Asked Questions
What is the difference between BS 970 (Part 1) 655M13 and EN 10028-2 10CrMo9-10?
BS 970 (Part 1) 655M13 specifies Ni which is not specified for EN 10028-2 10CrMo9-10. EN 10028-2 10CrMo9-10 specifies Si, P, S, N which are not specified for BS 970 (Part 1) 655M13.
Can BS 970 (Part 1) 655M13 be substituted with EN 10028-2 10CrMo9-10?
BS 970 (Part 1) 655M13 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.