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GB/T 3077 12CrNi3 vs EN 10084 16NiCr4

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

GB/T 3077 12CrNi3 (GB/T 3077:2015) and EN 10084 16NiCr4 (EN 10084:2008) are both steel grades. Both fall under the Alloy Steel category. GB/T 3077 12CrNi3 is typically used for hot-rolled or forged structural alloy steel bars, while EN 10084 16NiCr4 is commonly used for case hardened machine parts: carburized or carbonitrided, then hardened (clause 3.1). GB/T 3077 12CrNi3 is defined under Guobiao Standards (GB/T), originating from China, while EN 10084 16NiCr4 is defined under European Standard (EN), originating from Europe.

As per chemical composition, GB/T 3077 12CrNi3 vs EN 10084 16NiCr4 is a 72.7% match. As per mechanical properties, the match is 100%. Combined, this makes them a related material overall at 69.9%.

Frequently Compared With GB/T 3077 12CrNi3:
GOST 4543 12HN3A IS 1570 (Part 4) 103Cr4 EN 10028-2 10CrMo9-10 IS 1570 (Part 7) 10Mo6H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H
Match Breakdown
CHEMISTRY MATCH
72.7%
MECHANICAL MATCH
100%
OVERALL
69.9%
Specifications
Property GB/T 3077 12CrNi3 EN 10084 16NiCr4
Standard GB/T 3077:2015 EN 10084:2008
Category Alloy Steel Alloy Steel
C (%) 0.10-0.17 0.13-0.19
Si (%) 0.17-0.37 <=0.40
Mn (%) 0.30-0.60 0.70-1.00
Cr (%) 0.60-0.90 0.60-1.00
Ni (%) 2.75-3.15 0.80-1.10
P (%) <=0.030 <=0.025
S (%) <=0.030 <=0.035
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 12CrNi3 EN 10084 16NiCr4
Tensile Strength >=930 MPa Not specified
Yield Strength >=685 MPa Not specified
Elongation >=11% Not specified
Hardness <=217 HB Soft annealed: 217 HB max
Condition Quenched and tempered, test sample 15 mm; hardness is for bars delivered annealed or high temperature tempered Soft annealed
Hardenability Not specified +H band at 1.5 mm from the quenched end: 39 to 47 HRC
Typical Applications
GB/T 3077 12CrNi3
Hot-rolled or forged structural alloy steel bars
EN 10084 16NiCr4
Case hardened machine parts: carburized or carbonitrided, then hardened (clause 3.1)
Key Differences
Can GB/T 3077 12CrNi3 Be Substituted With EN 10084 16NiCr4?
GB/T 3077 12CrNi3 and EN 10084 16NiCr4 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 12CrNi3
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EN 10084 16NiCr4
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Frequently Asked Questions
What is the difference between GB/T 3077 12CrNi3 and EN 10084 16NiCr4?
GB/T 3077 12CrNi3 specifies Cu which is not specified for EN 10084 16NiCr4.
Can GB/T 3077 12CrNi3 be substituted with EN 10084 16NiCr4?
GB/T 3077 12CrNi3 and EN 10084 16NiCr4 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.