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GB/T 3077 20MnV vs GB/T 3077 20Mn2

Strong Match — 93.9% match based on chemical composition and mechanical property overlap.

GB/T 3077 20MnV (GB/T 3077:2015) and GB/T 3077 20Mn2 (GB/T 3077:2015) are both steel grades. Both fall under the Alloy Steel category. GB/T 3077 20MnV is typically used for hot-rolled or forged structural alloy steel bars, while GB/T 3077 20Mn2 is commonly used for hot-rolled or forged structural alloy steel bars. GB/T 3077 20MnV is defined under Guobiao Standards (GB/T), originating from China, while GB/T 3077 20Mn2 is defined under Guobiao Standards (GB/T), originating from China.

As per chemical composition, GB/T 3077 20MnV vs GB/T 3077 20Mn2 is a 90.9% match. As per mechanical properties, the match is 100%. Combined, this makes them a strong match overall at 93.9%.

Frequently Compared With GB/T 3077 20MnV:
IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 4367 10Cr9Mo10 EN 10028-2 10CrMo9-10 IS 1570 (Part 4) 10Mo6
Match Breakdown
CHEMISTRY MATCH
90.9%
MECHANICAL MATCH
100%
OVERALL
93.9%
Specifications
Property GB/T 3077 20MnV GB/T 3077 20Mn2
Standard GB/T 3077:2015 GB/T 3077:2015
Category Alloy Steel Alloy Steel
C (%) 0.17-0.24 0.17-0.24
Si (%) 0.17-0.37 0.17-0.37
Mn (%) 1.30-1.60 1.40-1.80
V (%) 0.07-0.12 Not specified
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 20MnV GB/T 3077 20Mn2
Tensile Strength >=785 MPa >=785 MPa
Yield Strength >=590 MPa >=590 MPa
Elongation >=10% >=10%
Hardness <=187 HB <=187 HB
Condition Quenched and tempered, test sample 15 mm; hardness is for bars delivered annealed or high temperature tempered Quenched and tempered, test sample 15 mm; hardness is for bars delivered annealed or high temperature tempered
Typical Applications
GB/T 3077 20MnV
Hot-rolled or forged structural alloy steel bars
GB/T 3077 20Mn2
Hot-rolled or forged structural alloy steel bars
Key Differences
Can GB/T 3077 20MnV Be Substituted With GB/T 3077 20Mn2?
GB/T 3077 20MnV and GB/T 3077 20Mn2 overlap closely enough on chemistry and mechanical properties that GB/T 3077 20Mn2 is often considered as a substitute for GB/T 3077 20MnV in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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GB/T 3077 20MnV
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GB/T 3077 20Mn2
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Frequently Asked Questions
What is the difference between GB/T 3077 20MnV and GB/T 3077 20Mn2?
GB/T 3077 20MnV specifies V which is not specified for GB/T 3077 20Mn2.
Can GB/T 3077 20MnV be substituted with GB/T 3077 20Mn2?
GB/T 3077 20MnV and GB/T 3077 20Mn2 overlap closely enough on chemistry and mechanical properties that GB/T 3077 20Mn2 is often considered as a substitute for GB/T 3077 20MnV in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.