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BS 970 (Part 1) 655H13 vs BS 970 EN36B

Strong Match — 85.6% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 655H13 (BS 970 (Part 1):1991) and BS 970 EN36B (BS 970:1955) are both steel grades. Both fall under the Alloy Steel category. BS 970 (Part 1) 655H13 is typically used for case hardening steel (section four), while BS 970 EN36B is commonly used for case hardened gears and heavily loaded components. BS 970 (Part 1) 655H13 is defined under British Standards (BS), originating from United Kingdom, while BS 970 EN36B is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, BS 970 (Part 1) 655H13 vs BS 970 EN36B is a 85.6% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 85.6%.

Frequently Compared With BS 970 (Part 1) 655H13:
GOST 4543 12HN3A GB/T 3077 12Cr2Ni4A UNI 11234 100Cr6 IS 11169 (Part 1) 12Ni3Cr2 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 103Cr4
Match Breakdown
CHEMISTRY MATCH
85.6%
MECHANICAL MATCH
No shared data
OVERALL
85.6%
Specifications
Property BS 970 (Part 1) 655H13 BS 970 EN36B
Standard BS 970 (Part 1):1991 BS 970:1955
Category Alloy Steel Alloy Steel
C (%) 0.10-0.16 0.12-0.18
Mn (%) 0.35-0.60 0.30-0.60
Cr (%) 0.70-1.00 0.60-1.10
Ni (%) 3.00-3.75 3.00-3.75
Si (%) Not specified 0.10-0.35
S (%) Not specified <=0.050
P (%) Not specified <=0.050
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) 655H13 BS 970 EN36B
Tensile Strength Not specified ≥1004 MPa (65 tons/sq in, converted)
Elongation Not specified ≥13%
Condition Not specified Core, after heat treatment (lowest-strength condition of the standard)
Typical Applications
BS 970 (Part 1) 655H13
Case hardening steel (section four)
BS 970 EN36B
Case hardened gears and heavily loaded components
Key Differences
Can BS 970 (Part 1) 655H13 Be Substituted With BS 970 EN36B?
BS 970 (Part 1) 655H13 and BS 970 EN36B overlap closely enough on chemistry and mechanical properties that BS 970 EN36B is often considered as a substitute for BS 970 (Part 1) 655H13 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
Forms & Sizes Available on M-EX
BS 970 (Part 1) 655H13
No active listings currently.
BS 970 EN36B
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 4800–5800 mm (188.98–228.35 in)
On M-EX Right Now
BS 970 (Part 1) 655H13
0 active listings and RFQs →
BS 970 EN36B
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 (Part 1) 655H13 and BS 970 EN36B?
BS 970 EN36B specifies Si, S, P which are not specified for BS 970 (Part 1) 655H13.
Can BS 970 (Part 1) 655H13 be substituted with BS 970 EN36B?
BS 970 (Part 1) 655H13 and BS 970 EN36B overlap closely enough on chemistry and mechanical properties that BS 970 EN36B is often considered as a substitute for BS 970 (Part 1) 655H13 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.