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

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

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

As per chemical composition, EN 10083-3 30NiCrMo16-6 vs GB/T 3077 30Cr2Ni4Mo 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 EN 10083-3 30NiCrMo16-6:
NF A35-565 100C6 IS 4367 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 7) 10Mo6H IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6
Match Breakdown
CHEMISTRY MATCH
93.8%
MECHANICAL MATCH
50%
OVERALL
79.2%
Specifications
Property EN 10083-3 30NiCrMo16-6 GB/T 3077 30Cr2Ni4Mo
Standard EN 10083-3:2006 GB/T 3077:2015
Category Alloy Steel Alloy Steel
C (%) 0.26-0.33 0.26-0.33
Cr (%) 1.20-1.50 1.20-1.50
Mn (%) 0.50-0.80 0.50-0.80
Mo (%) 0.30-0.60 0.30-0.60
Ni (%) 3.3-4.3 3.30-4.30
P (%) <=0.025 <=0.030
S (%) <=0.025 <=0.030
Si (%) <=0.40 0.17-0.37
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 EN 10083-3 30NiCrMo16-6 GB/T 3077 30Cr2Ni4Mo
Condition Quenched and tempered (+QT), ruling section d <= 16 mm Quenched and tempered, test sample 25 mm; hardness is for bars delivered annealed or high temperature tempered
Elongation 10% min >=10%
Hardness Soft annealed (+A): 270 HBW max <=269 HB
Tensile Strength 1080 to 1230 MPa >=1080 MPa
Yield Strength 880 MPa min >=930 MPa
Typical Applications
EN 10083-3 30NiCrMo16-6
Quenched and tempered, flame or induction hardened machine parts (clause 1)
GB/T 3077 30Cr2Ni4Mo
Hot-rolled or forged structural alloy steel bars
Key Differences
Can EN 10083-3 30NiCrMo16-6 Be Substituted With GB/T 3077 30Cr2Ni4Mo?
EN 10083-3 30NiCrMo16-6 and GB/T 3077 30Cr2Ni4Mo 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
EN 10083-3 30NiCrMo16-6
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GB/T 3077 30Cr2Ni4Mo
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Frequently Asked Questions
What is the difference between EN 10083-3 30NiCrMo16-6 and GB/T 3077 30Cr2Ni4Mo?
GB/T 3077 30Cr2Ni4Mo specifies Cu which is not specified for EN 10083-3 30NiCrMo16-6.
Can EN 10083-3 30NiCrMo16-6 be substituted with GB/T 3077 30Cr2Ni4Mo?
EN 10083-3 30NiCrMo16-6 and GB/T 3077 30Cr2Ni4Mo 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.