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GB/T 3077 25Cr2MoV vs GB/T 3077 12CrMoV

Related Material — 63.6% match based on chemical composition and mechanical property overlap.

GB/T 3077 25Cr2MoV (GB/T 3077:2015) and GB/T 3077 12CrMoV (GB/T 3077:2015) are both steel grades. Both fall under the Alloy Steel category. GB/T 3077 25Cr2MoV is typically used for hot-rolled or forged structural alloy steel bars, while GB/T 3077 12CrMoV is commonly used for hot-rolled or forged structural alloy steel bars. GB/T 3077 25Cr2MoV is defined under Guobiao Standards (GB/T), originating from China, while GB/T 3077 12CrMoV is defined under Guobiao Standards (GB/T), originating from China.

As per chemical composition, GB/T 3077 25Cr2MoV vs GB/T 3077 12CrMoV is a 82.9% match. As per mechanical properties, the match is 25%. Combined, this makes them a related material overall at 63.6%.

Frequently Compared With GB/T 3077 25Cr2MoV:
UNI 11234 100Cr6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 EN 10028-2 10CrMo9-10 IS 1570 (Part 4) 10Mo6
Match Breakdown
CHEMISTRY MATCH
82.9%
MECHANICAL MATCH
25%
OVERALL
63.6%
Specifications
Property GB/T 3077 25Cr2MoV GB/T 3077 12CrMoV
Standard GB/T 3077:2015 GB/T 3077:2015
Category Alloy Steel Alloy Steel
C (%) 0.22-0.29 0.08-0.15
Si (%) 0.17-0.37 0.17-0.37
Mn (%) 0.40-0.70 0.40-0.70
Cr (%) 1.50-1.80 0.30-0.60
Mo (%) 0.25-0.35 0.25-0.35
V (%) 0.15-0.30 0.15-0.30
P (%) <=0.030 <=0.030
S (%) <=0.030 <=0.030
Cu (%) <=0.30 <=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 GB/T 3077 25Cr2MoV GB/T 3077 12CrMoV
Tensile Strength >=930 MPa >=440 MPa
Yield Strength >=785 MPa >=225 MPa
Elongation >=14% >=22%
Hardness <=241 HB <=241 HB
Condition Quenched and tempered, test sample 25 mm; hardness is for bars delivered annealed or high temperature tempered Quenched and tempered, test sample 30 mm; hardness is for bars delivered annealed or high temperature tempered
Typical Applications
GB/T 3077 25Cr2MoV
Hot-rolled or forged structural alloy steel bars
GB/T 3077 12CrMoV
Hot-rolled or forged structural alloy steel bars
Can GB/T 3077 25Cr2MoV Be Substituted With GB/T 3077 12CrMoV?
GB/T 3077 25Cr2MoV and GB/T 3077 12CrMoV 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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GB/T 3077 25Cr2MoV
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GB/T 3077 12CrMoV
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Frequently Asked Questions
What is the difference between GB/T 3077 25Cr2MoV and GB/T 3077 12CrMoV?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can GB/T 3077 25Cr2MoV be substituted with GB/T 3077 12CrMoV?
GB/T 3077 25Cr2MoV and GB/T 3077 12CrMoV 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.