High Carbon Spring Steel Wire for mattress springs production

1) Standard: DIN17223/1-1982 2) Diameter: 0.30mm--12.00mm 3) Tensile strength: A,B,C,D Group 4) Package: export CHEMICAL COMPOSITION %:

C	Si	Mn	P	S
0.40-1.00	Max 0.35	0.30-1.50	Max 0.04	Max 0.04

 PARAMETER:

SIZE/ mm	TOLERANCE/ mm	TENSILE STRENGTH- mm/2
		CLASS A	CLASS B	CLASS C
0.30	±0.010		2370-2650
0.34			2330-2600
0.36			2310-2580
0.40			2270-2550
0.45			2240-2500
0.50	±0.020		2200-2470
0.56			2170-2430
0.60			2140-2400
0.65			2120-2370
0.70			2090-2350
0.75			2070-2320
0.80			2050-2300
0.85	±0.025		2030-2280
0.90			2010-2260
0.95			2000-2240
1.00		1720-1970	1980-2220
1.20		1670-1910	1920-2160
1.40		1620-1860	1870-2100
1.50	±0.035	1600-1840	1850-2080
1.60		1590-1820	1830-2050
1.80		1550-1780	1620-1910
2.00		1520-1750	1570-1860	1980-2200
2.10		1510-1730	1570-1810	1970-2180
2.50		1460-1680	1520-1760	1900-2110
2.80		1420-1640	1520-1760	1860-2070
3.00		1410-1620	1470-1710
3.20		1390-1600	1470-1710
3.40	±0.045	1370-1580	1420-1610
3.60		1350-1560	1420-1610
3.80		1340-1540	1370-1570
4.00		1320-1520	1370-1570
4.50		1290-1490	1320-1520
5.00		1260-1450	1320-1520	1660-1840
5.30		1240-1430	1440-1630	1640-1820
5.60		1230-1420	1430-1610	1620-1800
6.00	±0.060	1210-1390	1400-1580	1590-1770
6.30		1190-1380	1390-1560	1570-1750
6.50		1180-1370	1380-1550	1560-1740
7.00		1160-1340	1350-1530	1540-1710
7.50		1140-1320	1330-1500	1510-1680
8.00		1120-1300	1310-1480	1490-1660
8.50		1110-1280	1290-1460	1470-1630
9.00	±0.070	1090-1260	1270-1440	1450-1610
9.50		1070-1250	1260-1420	1430-1590
10.00		1060-1230	1240-1400	1410-1570
10.05	±0.090		1220-1380	1390-1550
11.00			1210-1370	1380-1530
12.00			1180-1340	1350-1500
13.00			1160-1310	1320-1470
14.00			1130-1280	1290-1440
Class D available for sizes below 1.00mm

High Carbon Spring Steel Wire for mattress springs production