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9254 Oil Hardened and Tempered Spring Steel Wires

9254 Oil Hardened and Tempered Spring Steel Wires

9254 Oil Hardened and Tempered Spring Steel Wires
CategoriesOil Hardened and Tempered Spring Steel Wires
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Brandfushun
Model9254
MOQ1 Metric Ton
Quality StandardASTM A29
Delivery ConditionOil Hardened and Tempered
Surface ConditionBlack suface,Blasted
ApplicationSuspension Spring,Valve Spring
Delivery TimeWithin 30days
FOB portTianjin port
Terms of PaymentL/C, D/A, D/P, T/T
Update Time2019-07-23
Detail Information

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

ASTM A29/A29M - 05 Standard Specification for Steel Bars, Carbon and Alloy, Hot-Wrought,

Chemical Composition(%)

Steel Grade

C

Si

Mn

P

S

Cr

9254

0.51-0.59

1.20-1.60

0.60-0.80

0.035max

0.040 max

0.60-0.80

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 (%)

9254

1450-1750

1300 min

6 min

25 min

Heat Treatment

Steel Grade

Quenching Temperature (°C)

Media

Tempering Temperature (°C)

9254

860

oil

450

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