SUP7 Oil Hardened and Tempered Spring Steel Wires

  • group nameOil Hardened and Tempered Spring Steel Wires

  • Min Order1 metric ton

  • brand namefushun

  • modelSUP7

  • payment methodL/C, D/A, D/P, T/T

  • update timeMon, 03 Jun 2019 09:36:13 GMT

Paramtents

  • Diameter 10-40mm

  • Quality Standard JIS G4801

  • Delivery Condition Oil Hardened and Tempered

  • Surface Condition Black suface,Blasted

Packging & Delivery

  • Min Order1 metric ton

Briefing

SUP 7 Oil Hardened and Tempered Spring Steel Wires are mainly used for Suspension Spring,Valve Spring.

Detailed

Products Details

1 High yield ratio, small spring residual deformation.

2 Stable performance: the difference of tensile strength in same coil is less than 60Mpa,which can extend the spring fatigue life.

3 The product rate after winding is high,which can reduce the cost. Oil quenching - tempering spring wire can not completely replace the cold-drawn spring wire. Especially the small size of the spring wire. Oil Hardened and Tempered spring wire is developed for the valve spring, suspension spring in fatigue resistance. And in order to achieve the best results, it should be combined with blasted process after winding. In recent years, with the improvement of the cognition level of this kind of product, this kind of product is gradually applied to clutch spring and car rigging.

Quality Standard

JIS G4801 2005 Spring Steels

Chemical Composition(%)

Steel Grade

C

Si

Mn

P

S

SUP 7

0.56-0.64

1.80-2.20

0.70-1.00

0.030 max

0.030 max

Mechanical Properties(Quenched and Tempered Condition)(T=20°C if not differently stated)

Steel Grade

Tensile Strength Rm (Mpa)

Yield Strength Rp0.2 (Mpa)

Elongation A5 (%)

Area Reduction Ratio C (%)

SUP 7

1275 min

1180 min

5 min

25 min

Heat Treatment

Steel Grade

Quenching Temperature (°C)

Media

Tempering Temperature (°C)

SUP 7

870

oil

480

Nearest port for product export
Tianjin, Qingdao, Shanghai, Huangshi
Delivery clauses under the trade mode
FOB, CFR, CIF, CIP, CPT, DDP, DDU, DAF
Acceptable payment methods
T/T, L/C, D/P D/A
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