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BS 970 (Part 1) 655H13 vs GB/T 3077 12CrNi2

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 655H13 (BS 970 (Part 1):1991) and GB/T 3077 12CrNi2 (GB/T 3077:2015) 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 GB/T 3077 12CrNi2 is commonly used for hot-rolled or forged structural alloy steel bars. BS 970 (Part 1) 655H13 is defined under British Standards (BS), originating from United Kingdom, while GB/T 3077 12CrNi2 is defined under Guobiao Standards (GB/T), originating from China.

As per chemical composition, BS 970 (Part 1) 655H13 vs GB/T 3077 12CrNi2 is a 74.6% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 69.9%.

Frequently Compared With BS 970 (Part 1) 655H13:
GB/T 3077 12Cr2Ni4A GOST 4543 12HN3A IS 11169 (Part 1) 12Ni3Cr2 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 NF A35-565 100C6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 7) 10Cr36Mo10H
Match Breakdown
CHEMISTRY MATCH
74.6%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property BS 970 (Part 1) 655H13 GB/T 3077 12CrNi2
Standard BS 970 (Part 1):1991 GB/T 3077:2015
Category Alloy Steel Alloy Steel
C (%) 0.10-0.16 0.10-0.17
Mn (%) 0.35-0.60 0.30-0.60
Cr (%) 0.70-1.00 0.60-0.90
Ni (%) 3.00-3.75 1.50-1.90
Si (%) Not specified 0.17-0.37
P (%) Not specified <=0.030
S (%) Not specified <=0.030
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 (Part 1) 655H13 GB/T 3077 12CrNi2
Tensile Strength Not specified >=785 MPa
Yield Strength Not specified >=590 MPa
Elongation Not specified >=12%
Hardness Not specified <=207 HB
Condition Not specified Quenched and tempered, test sample 15 mm; hardness is for bars delivered annealed or high temperature tempered
Typical Applications
BS 970 (Part 1) 655H13
Case hardening steel (section four)
GB/T 3077 12CrNi2
Hot-rolled or forged structural alloy steel bars
Key Differences
Can BS 970 (Part 1) 655H13 Be Substituted With GB/T 3077 12CrNi2?
BS 970 (Part 1) 655H13 and GB/T 3077 12CrNi2 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.
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BS 970 (Part 1) 655H13
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GB/T 3077 12CrNi2
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Frequently Asked Questions
What is the difference between BS 970 (Part 1) 655H13 and GB/T 3077 12CrNi2?
GB/T 3077 12CrNi2 specifies Si, P, S, Cu which are not specified for BS 970 (Part 1) 655H13.
Can BS 970 (Part 1) 655H13 be substituted with GB/T 3077 12CrNi2?
BS 970 (Part 1) 655H13 and GB/T 3077 12CrNi2 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.