Oil Tempered Spring Steel Wire

Short Description:

The material:   55SiCr 60Si2Mn 50CrV 65Mn

The wire diameter(mm):    2.0~16.00

The Tensile Strength(mpa):  1250~2140

The package: In coils by plastic film inside and plastic-woven strip outside

The standard: EN-10270-2 / ASTM-A229 /DIN17223-2-1990 /ASTM-A401


Product Detail

Product Tags

1. General Introduction: All raw material is procured from BAO STEEL, the most guaranteed and biggest manufacturer for alloy wire rod in China. State-of-the-art and well-developed technique as well as leading edged systematical processing line have brought guarantee to quality and confidence to our partners. From wire drawing to heating furnace, all-time temperature supervision automatically by sensoring device, oil-tempering, winding, stress relief, packaging. All these procedures are precisely controlled.

The assembly line is equipped with wire drawing machine and cleaning equipment.The world-class on-line eddy current flaw detector is used to test the prodction.These products reach the world leading level.The size of the steel wire is Φ0.3mm-Φ16mm.The tension of the steel wire reaches more than 2000mpa.

2. Main range of applications:

(1). Suspension spring for vechiles

(2). Valve spring

(3). Mechanical spring for important usage

3. Material available:

(1) SAE9254-55SiCr

(2) 60Si2Mn

(3) SAE6150-50CrV

(4) 65Mn

(5) High-carbon spring steel for VD,FD, ASTM-A229 grade I

4. Specifications: 2.0mm-16.00mm to comply with standards DIN17223-2-1990, ASTM-A229, 230, 231, 232, 401

CHEMICAL COMPOSITION %

CLASS

C

Si

Mn

P

S

Cu

Cr

V

VD

0.63-0.73

0.10-0.30

0.50-1.00

Max 0.020

Max 0.020

Max 0.060

 

 

VD CrV

0.62-0.72

0.15-0.30

0.50-0.90

Max 0.025

Max 0.020

Max 0.060

0.40-0.60

0.15-0.25

 VD SiCr

0.50-0.60

1.20-1.60

0.50-0.90

Max 0.025

Max 0.020

Max 0.060

0.50-0.80

 

FD

0.60-0.75

0.10-0.30

≥0.50

Max 0.030

Max 0.025

Max 0.120

 

 

FD CrV

0.62-0.72

0.15-0.30

0.50-0.90

Max 0.030

Max 0.025

Max 0.120

0.40-0.60

0.15-0.25

FD SiCr

0.50-0.60

1.20-1.60

0.50-0.90

Max 0.030

Max 0.025

Max 0.120

0.50-0.80

 

 

PARAMETER:VD,  VD CrV,  VD SiCr

SIZE/mm

TOLERANCE/mm

TENSILE RANGE-N/mm2

VD

VD CrV

VD SiCr

2.00-2.50

 

0.020

1630-1730

1720-1860

1960-2060

2.50-2.70

1600-1700

1670-1810

1910-2010

2.70-3.00

1600-1700

1670-1810

1910-2010

3.00-3.20

1570-1670

1670-1770

1910-2010

3.20-3.50

 

 

 

0.025

1570-1670

1670-1770

1910-2010

3.50-4.00

1550-1650

1620-1720

1860-1960

4.00-4.20

1550-1650

1570-1670

1860-1960

4.20-4.50

1550-1650

1570-1670

1860-1960

4.50-4.70

1540-1640

1570-1670

1810-1910

4.70-5.00

1540-1640

1570-1670

1810-1910

5.00-5.60

1520-1620

1520-1620

1810-1910

5.60-6.00

 

 

0.035

1520-1620

1520-1620

1760-1860

6.00-6.50

1470-1570

1470-1570

1760-1860

6.50-7.00

1470-1570

1470-1570

1710-1810

7.00-8.00

1420-1520

1420-1520

1710-1810

8.00-8.50

1390-1490

1390-1490

1670-1770

8.50-10.00

0.050

1390-1490

1390-1490

1670-1770

 

PARAMETER:FD,  FD CrV,  FD SiCr

SIZE/mm

TOLERANCE/mm

TENSILE RANGE-N/mm2

VD

VD CrV

VD SiCr

2.00-2.50

 

0.035

1670-1820

1750-1900

1970-2140

2.50-2.70

1640-1790

1720-1870

1950-2120

2.70-3.00

1620-1770

1700-1850

1930-2100

3.00-3.20

1600-1750

1680-1830

1910-2080

3.20-3.50

 

 

 

0.045

1580-1730

1660-1810

1900-2060

3.50-4.00

1550-1700

1620-1770

1870-2030

4.00-4.20

1540-1690

1610-1760

1860-2020

4.20-4.50

1520-1670

1590-1740

1850-2000

4.50-4.70

1510-1660

1580-1730

1840-1990

4.70-5.00

1500-1650

1560-1710

1830-1980

5.00-5.60

1470-1620

1540-1690

1800-1950

5.60-6.00

 

 

0.050

1460-1610

1520-1670

1780-1930

6.00-6.50

1440-1590

1510-1660

1760-1910

6.50-7.00

1430-1580

1500-1650

1740-1890

7.00-8.00

1400-1550

1480-1630

1710-1860

8.00-8.50

1380-1530

1470-1620

1700-1850

8.50-10.00

0.070

1360-1510

1450-1600

1660-1810

10.00-12.00

 

0.090

1320-1470

1430-1580

1620-1770

12.00-14.00

1280-1430

1420-1570

1580-1730

14.00-15.00

1270-1420

1410-1560

1570-1720

15.00-16.00

0.12

1250-1400

1400-1550

1550-1700

Packing in coils by plastic film inside and plastic-woven strip outside.

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