GB/T 3077 15MnVB vs UNI 11234 100Cr6

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

GB/T 3077 15MnVB (GB/T 3077:2015) and UNI 11234 100Cr6 (UNI 11234:2007) are both steel grades. Both fall under the Alloy Steel category. GB/T 3077 15MnVB is typically used for hot-rolled or forged structural alloy steel bars, while UNI 11234 100Cr6 is commonly used for ball bearings,roller bearings,needle bearings,dies,punches,gauges,wear resistant components. GB/T 3077 15MnVB is defined under Guobiao Standards (GB/T), originating from China, while UNI 11234 100Cr6 is defined under Ente Nazionale Italiano di Unificazione (UNI), originating from Italy.

As per chemical composition, GB/T 3077 15MnVB vs UNI 11234 100Cr6 is a 61.7% 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 15MnVB:
IS 1570 (Part 7) 10Mo6H IS 1570 (Part 4) 103Cr4 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H EN 10028-2 10CrMo9-10 IS 1570 (Part 4) 10Mo6
Match Breakdown
CHEMISTRY MATCH
61.7%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property GB/T 3077 15MnVB UNI 11234 100Cr6
Standard GB/T 3077:2015 UNI 11234:2007
Category Alloy Steel Alloy Steel
C (%) 0.12-0.18 0.93-1.05
Si (%) 0.17-0.37 0.15-0.35
Mn (%) 1.20-1.60 0.25-0.45
B (%) 0.0008-0.0035 Not specified
V (%) 0.07-0.12 Not specified
P (%) <=0.030 <=0.025
S (%) <=0.030 <=0.025
Cu (%) <=0.30 Not specified
Cr (%) Not specified 1.35-1.65
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 15MnVB UNI 11234 100Cr6
Tensile Strength >=885 MPa 750-1000 MPa
Yield Strength >=635 MPa 400-600 MPa
Elongation >=10% 10-14 %
Hardness <=207 HB 60-64 HRC
Condition Quenched and tempered, test sample 15 mm; hardness is for bars delivered annealed or high temperature tempered Not specified
Typical Applications
GB/T 3077 15MnVB
Hot-rolled or forged structural alloy steel bars
UNI 11234 100Cr6
ball bearings,roller bearings,needle bearings,dies,punches,gauges,wear resistant components
Key Differences
Can GB/T 3077 15MnVB Be Substituted With UNI 11234 100Cr6?
GB/T 3077 15MnVB and UNI 11234 100Cr6 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.
Forms & Sizes Available on M-EX
GB/T 3077 15MnVB
No active listings currently.
UNI 11234 100Cr6
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5700–6800 mm (224.41–267.72 in)
On M-EX Right Now
GB/T 3077 15MnVB
0 active listings and RFQs →
UNI 11234 100Cr6
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between GB/T 3077 15MnVB and UNI 11234 100Cr6?
GB/T 3077 15MnVB specifies B, V, Cu which are not specified for UNI 11234 100Cr6. UNI 11234 100Cr6 specifies Cr which is not specified for GB/T 3077 15MnVB.
Can GB/T 3077 15MnVB be substituted with UNI 11234 100Cr6?
GB/T 3077 15MnVB and UNI 11234 100Cr6 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.