diameter: 8.0mm~16.0mm
material: 60Si2MnA,55CrSi,65Mn
standard: main in GB/T 18983-2003
Mechanical property of steel wire in High fatigue level
STANDARD OF OIL QUENCHED AND TEMPERED SPRING STEEL WIRE
Mechanical property of steel wire in static level and Moderate fatigue level
|
Diameter
mm
|
tensile strength
MPa
|
reduction
of area
%≥
|
|
|||||
|
FDC
TDC
|
FDCrV-A
TDCrV-A
|
FDCrV-B
TDCrV-B
|
FDSiMn
TDSiMn
|
FDCrSi
TDCrSi
|
||||
|
FD
|
TD
|
|
||||||
|
≥8.00~9.00
|
1380~1530
|
1370~1520
|
1470~1620
|
1610~1760
|
1700~1850
|
30
|
35
|
|
|
＞9.00~10.00
|
1360~1510
|
1350~1500
|
1450~1600
|
1600~1750
|
1660~1810
|
30
|
35
|
|
|
＞10.00~12.00
|
1320~1470
|
1320~1470
|
1430~1580
|
1580~1730
|
1660~1810
|
30
|
—
|
|
|
＞12.00~14.00
|
1280~1430
|
1300~1450
|
1420~1570
|
1560~1710
|
1620~1770
|
30
|
—
|
|
|
＞14.00~15.00
|
1270~1420
|
1290~1440
|
1410~1560
|
1550~1700
|
1620~1770
|
—
|
|
|
|
＞15.00~16.00
|
1250~1400
|
1270~1420
|
1400~1550
|
1540~1690
|
1580~1730
|
|
||
Mechanical property of steel wire in High fatigue level
|
Diameter
mm
|
tensile strength
MPa
|
Reduction of area
%≥
|
|||
|
VDC
|
VDCrV-A
|
VDCrV-B
|
VDCrSi
|
||
|
≥8.00~9.00
|
1350~1500
|
1390~1540
|
1370~1520
|
1640~1790
|
35
|
|
＞9.00~10.00
|
1340~1490
|
1370~1520
|
1340~1490
|
1620~1770
|
35
|