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SAE J404 6150 vs GOST 14959 50HFA

Close Alternative — 84% match based on chemical composition and mechanical property overlap.

SAE J404 6150 (SAE J404:2000) and GOST 14959 50HFA (GOST 14959-2016) are both steel grades. Both fall under the Alloy Steel category. SAE J404 6150 is typically used for chemistry-only alloy steel grade; see the composition notes for product scope, while GOST 14959 50HFA is commonly used for used for coil springs, torsion bars, leaf springs, washers, and suspension parts.. SAE J404 6150 is defined under SAE International (United States).

As per chemical composition, SAE J404 6150 vs GOST 14959 50HFA is a 84% 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 84%.

Frequently Compared With SAE J404 6150:
UNI 11234 100Cr6 NF A35-565 100C6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 11169 (Part 1) 10Ni5Cr4 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 7) 10Mo6H IS 4367 07Cr4Mo6
Match Breakdown
CHEMISTRY MATCH
84%
MECHANICAL MATCH
No shared data
OVERALL
84%
Specifications
Property SAE J404 6150 GOST 14959 50HFA
Standard SAE J404:2000 GOST 14959-2016
Category Alloy Steel Alloy Steel
C (%) 0.48-0.53 0.46-0.54
Cr (%) 0.80-1.10 0.8-1.1
Mn (%) 0.70-0.90 0.5-0.8
P (%) <=0.030 Not specified
S (%) <=0.040 Not specified
Si (%) 0.15-0.35 0.17-0.37
V (%) >=0.15 0.1-0.2
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property SAE J404 6150 GOST 14959 50HFA
Tensile Strength Not specified 1200-1500 MPa
Yield Strength Not specified 1080 MPa min
Elongation Not specified 8% min
Hardness Not specified 42-50 HRC
Typical Applications
SAE J404 6150
Chemistry-only alloy steel grade; see the composition notes for product scope
GOST 14959 50HFA
Used for coil springs, torsion bars, leaf springs, washers, and suspension parts.
Key Differences
Can SAE J404 6150 Be Substituted With GOST 14959 50HFA?
SAE J404 6150 and GOST 14959 50HFA 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
SAE J404 6150
No active listings currently.
GOST 14959 50HFA
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5500–6000 mm (216.54–236.22 in)
On M-EX Right Now
SAE J404 6150
0 active listings and RFQs →
GOST 14959 50HFA
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between SAE J404 6150 and GOST 14959 50HFA?
SAE J404 6150 specifies P, S which are not specified for GOST 14959 50HFA.
Can SAE J404 6150 be substituted with GOST 14959 50HFA?
SAE J404 6150 and GOST 14959 50HFA 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.