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GOST 14959 50HFA vs NF A35-565 100C6

Minimal Match — 45.1% match based on chemical composition and mechanical property overlap.

GOST 14959 50HFA (GOST 14959-2016) and NF A35-565 100C6 are both steel grades. Both fall under the Alloy Steel category. GOST 14959 50HFA is typically used for used for coil springs, torsion bars, leaf springs, washers, and suspension parts., while NF A35-565 100C6 is commonly used for ball bearings, roller bearings, bearing races, rollers, precision tools, wear resistant parts. NF A35-565 100C6 is defined under Association Francaise de Normalisation (NF) (France).

As per chemical composition, GOST 14959 50HFA vs NF A35-565 100C6 is a 67.6% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 45.1%.

Frequently Compared With GOST 14959 50HFA:
GOST 4543 12HN3A UNI 11234 100Cr6 GB/T 3077 12Cr2Ni4A IS 4367 10Cr9Mo10 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
67.6%
MECHANICAL MATCH
0%
OVERALL
45.1%
Specifications
Property GOST 14959 50HFA NF A35-565 100C6
Standard GOST 14959-2016 NF A35-565
Category Alloy Steel Alloy Steel
C (%) 0.46-0.54 0.95-1.05
Cr (%) 0.8-1.1 1.35-1.65
V (%) 0.1-0.2 Not specified
Si (%) 0.17-0.37 0.15-0.35
Mn (%) 0.5-0.8 0.25-0.45
S (%) Not specified <=0.025
P (%) Not specified <=0.027
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property GOST 14959 50HFA NF A35-565 100C6
Tensile Strength 1200-1500 MPa 850-1100 MPa
Yield Strength 1080 MPa min Not specified
Elongation 8% min Not specified
Hardness 42-50 HRC 60-66 HRC
Typical Applications
GOST 14959 50HFA
Used for coil springs, torsion bars, leaf springs, washers, and suspension parts.
NF A35-565 100C6
ball bearings, roller bearings, bearing races, rollers, precision tools, wear resistant parts
Key Differences
Can GOST 14959 50HFA Be Substituted With NF A35-565 100C6?
GOST 14959 50HFA and NF A35-565 100C6 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
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)
NF A35-565 100C6
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 6700–6700 mm (263.78–263.78 in)
On M-EX Right Now
GOST 14959 50HFA
2 active listings and RFQs →
NF A35-565 100C6
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between GOST 14959 50HFA and NF A35-565 100C6?
GOST 14959 50HFA specifies V which is not specified for NF A35-565 100C6. NF A35-565 100C6 specifies S, P which are not specified for GOST 14959 50HFA.
Can GOST 14959 50HFA be substituted with NF A35-565 100C6?
GOST 14959 50HFA and NF A35-565 100C6 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.