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GB/T 3077 25Cr2Mo1V vs BS 970 (Part 1) 897M39

Related Material — 62.8% match based on chemical composition and mechanical property overlap.

GB/T 3077 25Cr2Mo1V (GB/T 3077:2015) and BS 970 (Part 1) 897M39 (BS 970 (Part 1):1983) are both steel grades. Both fall under the Alloy Steel category. GB/T 3077 25Cr2Mo1V is typically used for hot-rolled or forged structural alloy steel bars, while BS 970 (Part 1) 897M39 is commonly used for through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of table 6.. GB/T 3077 25Cr2Mo1V is defined under Guobiao Standards (GB/T), originating from China, while BS 970 (Part 1) 897M39 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, GB/T 3077 25Cr2Mo1V vs BS 970 (Part 1) 897M39 is a 62.8% 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 62.8%.

Frequently Compared With GB/T 3077 25Cr2Mo1V:
IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Mo6H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H EN 10028-2 10CrMo9-10 IS 1570 (Part 4) 10Mo6 NF A35-565 100C6
Match Breakdown
CHEMISTRY MATCH
62.8%
MECHANICAL MATCH
No shared data
OVERALL
62.8%
Specifications
Property GB/T 3077 25Cr2Mo1V BS 970 (Part 1) 897M39
Standard GB/T 3077:2015 BS 970 (Part 1):1983
Category Alloy Steel Alloy Steel
C (%) 0.22-0.29 0.35-0.43
Si (%) 0.17-0.37 Not specified
Mn (%) 0.50-0.80 0.45-0.70
Cr (%) 2.10-2.50 3.00-3.50
Mo (%) 0.90-1.10 0.80-1.10
V (%) 0.30-0.50 0.15-0.25
P (%) <=0.030 <=0.025
S (%) <=0.030 <=0.025
Cu (%) <=0.30 Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property GB/T 3077 25Cr2Mo1V BS 970 (Part 1) 897M39
Tensile Strength >=735 MPa Not specified
Yield Strength >=590 MPa Not specified
Elongation >=16% Not specified
Hardness <=241 HB Not specified
Condition Quenched and tempered, test sample 25 mm; hardness is for bars delivered annealed or high temperature tempered Not specified
Typical Applications
GB/T 3077 25Cr2Mo1V
Hot-rolled or forged structural alloy steel bars
BS 970 (Part 1) 897M39
Through hardening steel for mechanical and allied engineering purposes; supplied in the hardened and tempered conditions of Table 6.
Key Differences
Can GB/T 3077 25Cr2Mo1V Be Substituted With BS 970 (Part 1) 897M39?
GB/T 3077 25Cr2Mo1V and BS 970 (Part 1) 897M39 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.
On M-EX Right Now
GB/T 3077 25Cr2Mo1V
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BS 970 (Part 1) 897M39
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Frequently Asked Questions
What is the difference between GB/T 3077 25Cr2Mo1V and BS 970 (Part 1) 897M39?
GB/T 3077 25Cr2Mo1V specifies Si, Cu which are not specified for BS 970 (Part 1) 897M39.
Can GB/T 3077 25Cr2Mo1V be substituted with BS 970 (Part 1) 897M39?
GB/T 3077 25Cr2Mo1V and BS 970 (Part 1) 897M39 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.