Products

1

Product Name

Oil tempered steel wire

2

Material

Carbon steel and Alloy steel

3

Size

2mm-15mm

4

Packing

Waterproof membrane + PVC + steel truss or asper your customers’ requirement.

5

Standard

B/T18983,ASTM A401,etc.

6

Advantage

1).High yield ratio, small residual deformation of the spring.

2.)Stable performance: with the disc less than 75Mpa is conducive to coil spring and improve spring fatigue life.

7

Application

Railway fastener,Spring steel,Suspension spring steel

Diameter
mm

Tensile strength (MPa)

Reduction of area

FDC

FDCrV-A

FDCrV-B

FDSiMn

FDCrSi

%≥

TDC

TDCrV-A

TDCrV-B

TDSiMn

TDCrSi

FD

TD

0.5-0.8

1800-2100

1800-2100

1900-2200

1850-2100

2000-2250

/

>0.8-1.0

1800-2060

1780-2080

1860-2160

1850-2100

2000-2250

/

>1.0-1.3

1800-2010

1750-2010

1850-2100

1850-2100

2000-2250

45

45

>1.3-1.4

1750-1950

1750-1990

1840-2070

1850-2100

2000-2250

45

45

>1.4-1.6

1740-1890

1710-1950

1820-2030

1850-2100

2000-2250

45

45

>1.6-2.0

1720-1890

1710-1890

1790-1970

1820-2000

2000-2250

45

45

>2.0-2.5

1670-1820

1670-1830

1750-1900

1800-1950

1970-2140

45

45

>2.5-2.7

1640-1790

1660-1820

1720-1870

1780-1930

1950-2120

45

45

>2.7-3.0

1620-1770

1630-1780

1700-1850

1760-1910

1930-2100

45

45

>3.0-3.2

1600-1750

1610-1760

1680-1830

1740-1890

1910-2080

40

45

>3.2-3.5

1580-1730

1600-1750

1660-1810

1720-1870

1900-2060

40

45

>3.5-4.0

1550-1700

1560-1710

1620-1770

1710-1860

1870-2030

40

45

>4.0-4.2

1540-1690

1540-1690

1610-1760

1700-1850

1860-2020

40

45

>4.2-4.5

1520-1670

1520-1670

1590-1740

1690-1840

1850-2000

40

45

>4.5-4.7

1510-1660

1510-1660

1580-1730

1680-1830

1840-1990

40

45

>4.7-5.0

1500-1650

1500-1650

1560-1710

1670-1820

1830-1980

40

45

>5.0-5.6

1470-1620

1460-1610

1540-1690

1660-1810

1800-1950

35

40

>5.6-6.0

1460-1610

1440-1590

1520-1670

1650-1800

1780-1930

35

40

>6.0-6.5

1440-1590

1420-1570

1510-1660

1640-1790

1760-1910

35

40

>6.5-7.0

1430-1580

1400-1550

1500-1650

1630-1780

1740-1890

35

40

>7.0-8.0

1400-1550

1380-1530

1480-1630

1620-1770

1710-1860

35

40

>8.0-9.0

1380-1530

1370-1520

1470-1620

1610-1760

1700-1850

30

35

>9.0-10.0

1360-1510

1350-1500

1450-1600

1600-1750

1660-1810

30

35

>10.0-12.0

1320-1470

1320-1470

1430-1580

1580-1730

1660-1810

30

/

>12.0-14.0

1280-1430

1300-1450

1420-1570

1560-1710

1620-1770

30

/

>14.0-15.0

1270-1420

1290-1440

1410-1560

1550-1700

1620-1770

/

>15.0-17.0

1250-1400

1270-1420

1400-1550

1540-1690

1580-1730

/

Alloy steel

Material

C%

Si

Mn%

Cr

V

S,P

55CrSi

0.50-0.60

1.20-1.60

0.50-0.80

0.50-0.80

/

<0.030

60Si2Mn

0.56-0.64

1.60-2.0

0.60-0.90

0.35

/

<0.035

60Si2MnA

0.56-0.64

1.60-2.0

0.60-0.90

0.35

/

<0.030

60Si2CrA

0.56-0.64

1.40-1.80

0.40-0.70

0.70-1.00

/

<0.030

60Si2CrVA

0.56-0.64

1.40-1.80

0.40-0.70

0.90-1.2

0.10-0.20

<0.030

55CrMnA

0.52-0.60

0.17-0.37

0.65-0.95

0.65-0.95

/

<0.030

50CrV

0.46-0.54

0.17-0.37

0.50-0.80

0.80-1.10

0.10-0.20

<0.030