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GB/T 3077 30Mn2 vs EN 10028-2 10CrMo9-10

Minimal Match — 35% match based on chemical composition and mechanical property overlap.

GB/T 3077 30Mn2 (GB/T 3077:2015) and EN 10028-2 10CrMo9-10 (EN 10028-2:2017) are both steel grades. Both fall under the Alloy Steel category. GB/T 3077 30Mn2 is typically used for hot-rolled or forged structural alloy steel bars, while EN 10028-2 10CrMo9-10 is commonly used for flat products for pressure purposes. GB/T 3077 30Mn2 is defined under Guobiao Standards (GB/T), originating from China, while EN 10028-2 10CrMo9-10 is defined under European Standard (EN), originating from Europe.

As per chemical composition, GB/T 3077 30Mn2 vs EN 10028-2 10CrMo9-10 is a 60.1% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With GB/T 3077 30Mn2:
SAE J404 1330 UNI 11234 100Cr6 NF A35-565 100C6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 105Cr5
Match Breakdown
CHEMISTRY MATCH
60.1%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property GB/T 3077 30Mn2 EN 10028-2 10CrMo9-10
Standard GB/T 3077:2015 EN 10028-2:2017
Category Alloy Steel Alloy Steel
C (%) 0.27-0.34 0.08-0.14
Si (%) 0.17-0.37 <=0.50
Mn (%) 1.40-1.80 0.40-0.80
P (%) <=0.030 <=0.020
S (%) <=0.030 <=0.010
Cu (%) <=0.30 <=0.30
N (%) Not specified <=0.012
Cr (%) Not specified 2.00-2.50
Mo (%) Not specified 0.90-1.10
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 30Mn2 EN 10028-2 10CrMo9-10
Tensile Strength >=785 MPa 480-630 MPa
Yield Strength >=635 MPa >=310 MPa
Elongation >=12% >=18%
Hardness <=207 HB Not specified
Condition Quenched and tempered, test sample 25 mm; hardness is for bars delivered annealed or high temperature tempered Usual delivery condition normalized and tempered (+NT), nominal thickness up to 16 mm; transverse direction, Yield Strength is ReH, Elongation is A
Typical Applications
GB/T 3077 30Mn2
Hot-rolled or forged structural alloy steel bars
EN 10028-2 10CrMo9-10
Flat products for pressure purposes
Key Differences
Can GB/T 3077 30Mn2 Be Substituted With EN 10028-2 10CrMo9-10?
GB/T 3077 30Mn2 and EN 10028-2 10CrMo9-10 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.
On M-EX Right Now
GB/T 3077 30Mn2
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EN 10028-2 10CrMo9-10
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Frequently Asked Questions
What is the difference between GB/T 3077 30Mn2 and EN 10028-2 10CrMo9-10?
EN 10028-2 10CrMo9-10 specifies N, Cr, Mo which are not specified for GB/T 3077 30Mn2.
Can GB/T 3077 30Mn2 be substituted with EN 10028-2 10CrMo9-10?
GB/T 3077 30Mn2 and EN 10028-2 10CrMo9-10 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.