Steel gradesC67S, C75S, C85S...65S2WA, 65S2VA, ...

65S2WA, 65S2VA - spring steel

65S2WA, 65C2BA - spring steel according to PN H-84035, GOST 14959

 
Standard Grade
Chemical composition %
C: Si; Mn: P: S: Cr: Ni: Cu: W: Al:
PN 65S2WA
0.61-0.69 1.5-2.0 0.7-1.0 <0,035 <0,030 <0,3 <0,4 <0,2 0.8-1.2 -
GOST 65S2VA - 65C2BА
0.61-0.69 1.5-2.0 0.7-1.0 <0,025 <0,025 <0,3 <0.25 <0,2 0.8-1.2 -
GOST 65S2VA-Sh - 65C2BА-Ш
0.61-0.69 1.5-2.0 0.3-1.0 <0,020 <0,015 <0,4 <0,4 <0,4 0.8-1.2 0.02-0.05
GOST 65S2VA-VD - 65C2BА-BД
0.61-0.69 1.5-2.0 0.3-1.0 <0,020 <0,015 <0,4 <0,4 <0,4 0.8-1.2 0.02-0.05
GOST 65S2GVA - 65C2ГBА
0.61-0.69 1.5-2.0 0.3-1.0 <0,025 <0,025 <0,4 <0,4 <0,2 0.8-1.2 0.02-0.05
GOST 65S2GVA-Sh - 65C2ГBA-Ш
0.61-0.69 1.5-2.0 0.3-1.0 <0,020 <0,015 <0,4 <0,4 <0,2 0.8-1.2 0.02-0.05
GOST 65S2GVA-VD - 65C2ГBA-ВД
0.61-0.69 1.5-2.0 0.3-1.0 <0,020 <0,015 <0,4 <0,4 <0,2 0.8-1.2 0.02-0.05
STAS 652SW
  0.61-0.69 1.5-2.0 0.7-1.0 <0,025 <0,025 <0,3 <0,25 <0,2 0.8-1.2

65S2WA – description

Steel used for loaded springs and torsion shafts in the automotive industry. Toughening steel with quite high hardenability.

Limited weldability. Requires preheating before welding. It is not resistant to any corrosive environment, including air.

65S2WA - Mechanical and Physical Properties

Physical properties in ambient temperature:

  • Density: 7,76 g/cm3
  • Linear expansion coefficient: 10,5 * 10-6 K-1

Mechanical properties of 65S2WA steel:

  • Round bars:
    • Heat-treated:
      • Yield strength Re: > 1665 MPa
      • Tensile strength Rm: > 1860 MPa
      • Elongation A: > 5 %
      • Percent reduction of area Z: > 20 %
      • Hardness: < 285 HB
      • Diameter cone impression: > 3,6 mm
    • Without heat-treatment:
      • Yield strength Re: > 1665 MPa
      • Tensile strength Rm: > 1860 MPa
      • Elongation A: > 5 %
      • Percent reduction of area Z: > 20 %
      • Hardness: < 321 HB
      • Diameter cone impression: > 3,4 mm
  • Wire for cold-coiling spring:
    • Tensile strength Rm: < 1030 MPa
  • Strip:
    • Annealed:
      • Tensile strength Rm: < 880 MPa
      • Elongation A: > 8 MPa
    • Cold-worked:
      • Tensile strength Rm: 780-1180 MPa
  • Helical springs:
    • General:
      • Hardness: 40,0-46,5 HRC
      • Hardness: 375-444 HB
    • Spring hardening:
      • Hardness: 42-49 HRC

Heat treatment and working

Recommended working and heat treatment parameters for 65S2WA alloy:

  • Forging: 1180-800 °C
  • Rolling: 1230-840 °C
  • Quenching: 835-865 °C / o
  • Tempering: 370-470 °C
  • Normalizing annealing: 840-860 °C
  • Soft annealing: 640-680 °C

We deliver this steel alloy as:

Replacements, equivalents and other designations:

65S2WA, 65S2GVA, 65S2GVA-Sh, 65S2GVA-VD, 65S2VA, 65SaVA-Sh, 65S2VA-VD, 652SW, 65С2ВА, 65С2ВА-Ш, 65С2ВА-ВД, 65С2ГВА, 65С2ГВА-Ш, 65С2ГВА-ВД

See our offer

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 settings
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.