Post Stock Login Register

GB/T 3077 50Cr vs SAE J404 6150

Close Alternative — 83.4% match based on chemical composition and mechanical property overlap.

GB/T 3077 50Cr (GB/T 3077:2015) and SAE J404 6150 (SAE J404:2009) are both steel grades. Both fall under the Alloy Steel category. GB/T 3077 50Cr is typically used for hot-rolled or forged structural alloy steel bars, while SAE J404 6150 is commonly used for springs, hand tools, high strength shafts, axles. GB/T 3077 50Cr is defined under Guobiao Standards (GB/T), originating from China, while SAE J404 6150 is defined under SAE International, originating from United States.

As per chemical composition, GB/T 3077 50Cr vs SAE J404 6150 is a 83.4% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 83.4%.

Frequently Compared With GB/T 3077 50Cr:
IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 EN 10028-2 10CrMo9-10 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 UNI 11234 100Cr6
Match Breakdown
CHEMISTRY MATCH
83.4%
MECHANICAL MATCH
No shared data
OVERALL
83.4%
Specifications
Property GB/T 3077 50Cr SAE J404 6150
Standard GB/T 3077:2015 SAE J404:2009
Category Alloy Steel Alloy Steel
C (%) 0.47-0.54 0.48-0.53
Si (%) 0.17-0.37 0.15-0.35
Mn (%) 0.50-0.80 0.70-0.90
Cr (%) 0.80-1.10 0.80-1.10
P (%) <=0.030 <=0.030
S (%) <=0.030 <=0.040
Cu (%) <=0.30 Not specified
V (%) Not specified >=0.15
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 50Cr SAE J404 6150
Tensile Strength >=1080 MPa Not specified
Yield Strength >=930 MPa Not specified
Elongation >=9% Not specified
Hardness <=229 HB Not specified
Condition Quenched and tempered, test sample 25 mm; hardness is for bars delivered annealed or high temperature tempered Not specified
Typical Applications
GB/T 3077 50Cr
Hot-rolled or forged structural alloy steel bars
SAE J404 6150
Springs, hand tools, high strength shafts, axles
Key Differences
Can GB/T 3077 50Cr Be Substituted With SAE J404 6150?
GB/T 3077 50Cr and SAE J404 6150 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.
Forms & Sizes Available on M-EX
GB/T 3077 50Cr
No active listings currently.
SAE J404 6150
Round Bar → (3 listings)
Diameter: 30–30 mm (1.18–1.18 in)
Length: 4600–6300 mm (181.1–248.03 in)
On M-EX Right Now
GB/T 3077 50Cr
0 active listings and RFQs →
SAE J404 6150
3 active listings and RFQs →
Frequently Asked Questions
What is the difference between GB/T 3077 50Cr and SAE J404 6150?
GB/T 3077 50Cr specifies Cu which is not specified for SAE J404 6150. SAE J404 6150 specifies V which is not specified for GB/T 3077 50Cr.
Can GB/T 3077 50Cr be substituted with SAE J404 6150?
GB/T 3077 50Cr and SAE J404 6150 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.