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GB/T 3077 30Cr2Ni4Mo vs EN 10083-3 30NiCrMo16-6

Close Alternative — 79.2% match based on chemical composition and mechanical property overlap.

GB/T 3077 30Cr2Ni4Mo (GB/T 3077:2015) and EN 10083-3 30NiCrMo16-6 (EN 10083-3:2006) are both steel grades. Both fall under the Alloy Steel category. GB/T 3077 30Cr2Ni4Mo is typically used for hot-rolled or forged structural alloy steel bars, while EN 10083-3 30NiCrMo16-6 is commonly used for quenched and tempered, flame or induction hardened machine parts (clause 1). GB/T 3077 30Cr2Ni4Mo is defined under Guobiao Standards (GB/T), originating from China, while EN 10083-3 30NiCrMo16-6 is defined under European Standard (EN), originating from Europe.

As per chemical composition, GB/T 3077 30Cr2Ni4Mo vs EN 10083-3 30NiCrMo16-6 is a 93.8% match. As per mechanical properties, the match is 50%. Combined, this makes them a close alternative overall at 79.2%.

Frequently Compared With GB/T 3077 30Cr2Ni4Mo:
IS 1570 (Part 7) 10Mo6H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 UNI 11234 100Cr6 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
Match Breakdown
CHEMISTRY MATCH
93.8%
MECHANICAL MATCH
50%
OVERALL
79.2%
Specifications
Property GB/T 3077 30Cr2Ni4Mo EN 10083-3 30NiCrMo16-6
Standard GB/T 3077:2015 EN 10083-3:2006
Category Alloy Steel Alloy Steel
C (%) 0.26-0.33 0.26-0.33
Si (%) 0.17-0.37 <=0.40
Mn (%) 0.50-0.80 0.50-0.80
Cr (%) 1.20-1.50 1.20-1.50
Mo (%) 0.30-0.60 0.30-0.60
Ni (%) 3.30-4.30 3.3-4.3
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 30Cr2Ni4Mo EN 10083-3 30NiCrMo16-6
Tensile Strength >=1080 MPa 1080 to 1230 MPa
Yield Strength >=930 MPa 880 MPa min
Elongation >=10% 10% min
Hardness <=269 HB Soft annealed (+A): 270 HBW max
Condition Quenched and tempered, test sample 25 mm; hardness is for bars delivered annealed or high temperature tempered Quenched and tempered (+QT), ruling section d <= 16 mm
Typical Applications
GB/T 3077 30Cr2Ni4Mo
Hot-rolled or forged structural alloy steel bars
EN 10083-3 30NiCrMo16-6
Quenched and tempered, flame or induction hardened machine parts (clause 1)
Key Differences
Can GB/T 3077 30Cr2Ni4Mo Be Substituted With EN 10083-3 30NiCrMo16-6?
GB/T 3077 30Cr2Ni4Mo and EN 10083-3 30NiCrMo16-6 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.
On M-EX Right Now
GB/T 3077 30Cr2Ni4Mo
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EN 10083-3 30NiCrMo16-6
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Frequently Asked Questions
What is the difference between GB/T 3077 30Cr2Ni4Mo and EN 10083-3 30NiCrMo16-6?
GB/T 3077 30Cr2Ni4Mo specifies Cu which is not specified for EN 10083-3 30NiCrMo16-6.
Can GB/T 3077 30Cr2Ni4Mo be substituted with EN 10083-3 30NiCrMo16-6?
GB/T 3077 30Cr2Ni4Mo and EN 10083-3 30NiCrMo16-6 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.