60S2HA, 60S2HFA, 50HGFA, 70S2HA - alloy spring steel

60S2HA, 60S2HFA, 50HGFA, 70S2HA - alloy spring steel according to GOST 14959-79.

Standard Grade
Chemical composition %
C: Si: Mn: P: S: Cr: Ni: Cu: V: Al:
GOST 60S2ChA - 60C2ХA
0.56-0.64 1.4-1.8 0.4-0.7 <0.025 <0.025 0.7-1.0 <0.25 <0.25 - -
GOST 60S2ChFA - 60C2XФA
0.56-0.64 1.4-1.8 0.4-0.7 <0.025 <0.025 0.9-1.2 <0.25 <0.2 0.1-0.2 -
GOST 60S2G - 60C2Г
0.55-0.65 1.8-2.2 0.7-1.0 <0.035 <0.035 <0.3 <0.25 <0.2 - -
GOST 60S2N2A - 60C2H2А
0.56-0.64 1.4-1.8 0.4-0.7 <0.025 <0.025 <0.3 1.4-1.7 <0.2 - -
GOST 60ChFA - 60XФA
0.55-0.65 0.17-0.37 0.5-0.8 <0.025 <0.025 0.8-1.3 <0.4 <0.4 0.1-0.2 0.02-0.05
GOST 70S2ChA - 70C2XА
0.65-0.75 1.4-1.7 0.4-0.6 <0.025 <0.025 0.2-0.4 <0.4 <0.4 - -
GOST 50ChGFA - 50XГФA
0.48-0.55 0.17-0.37 0.8-1.0 <0.025 <0.025 0.2-0.4 <0.4 <0.4 - -

60S2HA, 60S2HFA, 50HGFA, 70S2HA – description

Strong, ductile, hardenable steel for quenching in oil. Used for all types of springs and spring parts, subjected to heavy and alternating loads. It can operate in the high temperature up to 300°C.

Typical applications are suspension springs, shock absorbers, gland seals, sealing rings and valve springs.

Physical and mechanical properties

The mechanical properties of 60S2HA:

  • General characteristics:
    • Yield strength Re: > 1325 MPa
    • Tensile strength Rm: > 1470 MPa
    • Elongation A: > 6 %
    • Percent reduction of area Z: > 25 %
  • Heat-treated condition:
    • Hardness HB: < 285
    • Diameter cone impression: > 3.6 mm
  • Without heat treatment:
    • Hardness HB: < 321
    • Diameter cone impression: > 3.4 mm

The mechanical properties of 60S2HFA:

  • General characteristics:
    • Yield strength Re: > 1470 MPa
    • Tensile strength Rm: > 1670 MPa
    • Elongation A: > 6 %
    • Percent reduction of area Z: > 25 %
  • Heat-treated condition:
    • Hardness HB: < 285
    • Diameter cone impression: > 3.6 mm
  • Without heat treatment:
    • Hardness HB: < 321
    • Diameter cone impression: > 3.4 mm

The mechanical properties of 50HGFA:

  • General characteristics:
    • Yield strength Re: > 1325 MPa
    • Tensile strength Rm: > 142 MPa
    • Elongation A: > 6 %
    • Percent reduction of area Z: > 35 %
  • Heat-treated condition:
    • Hardness HB: < 285
    • Diameter cone impression: > 3.6 mm
  • Without heat treatment:
    • Hardness HB: < 321
    • Diameter cone impression: > 3.4 mm

We deliver this steel alloy as:

  • Round bars
  • Flat bars
  • Forgings

Substitutes, equivalents and other species designations

70S2ChA
50ChGFA
60ChFA
60S2N2A
60S2G
60S2ChFA
60S2ChA
70S2HA
50HGFA
60HFA
60S2HFA
60S2HA
70S2ChA
70S2KhA
50KhGFA
60KhFA
60S2KhFA
60S2KhA
60С2ХА
60С2ХФА
60С2Г
60С2Н2А
60ХФА
70С2ХА
50ХГФА

Need help? Contact us!

Call or send a message, and our representative
will contact you within 24 hours!

We use cookies
In order to properly operate the Website and for statistical purposes, and if you consent, also to personalize advertising, remarketing and retargeting. If you want to learn more, read on privacy and cookies policy. You can specify the detailed configuration by clicking the button below "Settings".
Cookie preferences
We use cookies

In order to properly operate the Website and for statistical purposes, and if you consent, also to personalize advertising, remarketing and retargeting. If you want to learn more, read on privacy and cookies policy.

More information

If you have any questions about our cookie policy, please ask contact.