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

Close Alternative — 84.2% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 655H13 (BS 970 (Part 1):1983) 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 supplied to specified hardenability limits (end quench test, table 10)., 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 84.2% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 84.2%.

Frequently Compared With BS 970 (Part 1) 655H13:
IS 11169 (Part 1) 12Ni3Cr2 GB/T 3077 12Cr2Ni4A GOST 4543 12HN3A IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 IS 1570 (Part 7) 10Mo6H GB/T 3077 12CrNi2 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 4367 07Cr4Mo6
Match Breakdown
CHEMISTRY MATCH
84.2%
MECHANICAL MATCH
No shared data
OVERALL
84.2%
Specifications
Property BS 970 (Part 1) 655H13 BS 970 EN36B
Standard BS 970 (Part 1):1983 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
P (%) <=0.035 <=0.050
S (%) <=0.040 <=0.050
Si (%) Not specified 0.10-0.35
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 supplied to specified hardenability limits (end quench test, Table 10).
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 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
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 which is 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 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.