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8.7mm VDSiCrV Spring Wire

8.7mm VDSiCrV Spring Wire

8.7mm VDSiCrV Spring Wire

8.7mm High-end Clutch Used VDSiCrV Spring Wire

Key attributes

Steel Grade	VDCRSI	Type	Spring
Tolerance	±1%	Grade	SWOSC-B
Standard	JIS 3561	Place of Origin	Henan, China
Alloy Or Not	Is Alloy	Model Number	0.5-20mm
Application	MANUFACTURING	Special Use	Cold Heading Steel
Processing Service	Bending, Welding	Key word	Oil tempered spring wire for surface nitriding spring wire

Product Description

8.7mm High-end Clutch Used VDSiCrV Spring Wire:

Product name	8.7mm High-end Clutch Used VDSiCrV Spring Wire
Material	VDCRSI TDCRSI FDCRSI
Tensile strength	1400-2700Mpa
Size	0.5-20mm
Application	Clutch spring valve spring
Standard	ASTM877 ASTM A401 GB/T18983 JIS G3561

Product parameters

Raw Materials Chemical Compositon(%)

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

Techinal Parameter of oil tempered spring steel wire:

Diameter/mm	TOLERANCE/mm	TENSILE RANGE-(N/m㎡)
Diameter/mm	TOLERANCE/mm	VD	VD CrV	VD SiCr
2.00-2.20	±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

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