OT Wire

Control system, DSR OT Wire shows excellent performance which is not available in high carbon spring and music wire.DSR OT Wire has superior strength and toughness. It will implement excellent elasticity, ductility, and better resistance against fatigue and deformation in various spring applications. DSR OT Wire provides spring makers of good coiling and relaxation under high tensile.DSR OT Wire is recommended to make the springs for repeated dynamic loads, including clutch springs.

Oil-Tempered Wire
    ● Chemical Composition
 
    ● Packing
 
    ● Reference Specification
 
Oil-Tempered Carbon Wire
    ● Mechanical Properties (JIS G 3560 / KS D-3579)
 
    ● Mechanical Properties (ASTM A-229)
 
    ● Mechanical Properties (DIN 17223 Part 2(FD) / EN 10270-2(FDC)
 
Oil-Tempered Cr-Si Alloyed Wire
    ● Mechanical Properties (JIS G 3560 / KS D-3579)
DIA(mm) Tolerance(mm) mm SWOSC-B (N/mm2) ROA(%)
Min Max
3.0 ±0.035 1% of Wire Dia 1860 2010 45
3.2 ±0.035 1860 2010 40
3.5 ±0.045 1860 2010 40
4.0 ±0.045 1810 1960 40
4.5 ±0.045 1810 1960 40
5.0 ±0.045 1760 1910 40
5.5 ±0.045 1760 1910 35
5.6 ±0.045 1710 1860 35
6.0 ±0.060 1710 1860 35
6.5 ±0.060 1.4% of Wire dia 1710 1860 35
7.0 ±0.060 1660 1810 35
 
    ● Mechanical Properties (ASTM A-401)
DIA Tolerance(Inch) T/S(ksi) ROA(%)
Inch mm Min Max
0.120 3.0 ±0.002 275 300 45
0.135 3.4 ±0.002 270 295 40
0.162 4.1 ±0.002 265 290 40
0.177 4.5 ±0.002 260 285 40
0.192 4.9 ±0.002 260 283 40
0.219 5.6 ±0.002 255 278 40
0.250 6.4 ±0.002 250 275 40
 
    ● Mechanical Properties (DIN 17223 Part 2(FDSC) / EN 10270-2(FDSC)
DIA(mm) ToleranceDIN (mm) ToleranceEN (mm) FDSC (MPA) ROA(%)
Over Up to Min Max
　 3.0 ±0.035 ±0.030 1930 2100 45
3.0 3.2 ±0.035 ±0.030 1910 2080 45
3.2 3.5 ±0.045 ±0.030 1900 2060 42
3.5 4.0 ±0.045 ±0.030 1870 2030 42
4.0 4.2 ±0.045 ±0.035 1860 2020 40
4.2 4.5 ±0.045 ±0.035 1850 2000 40
4.5 4.7 ±0.045 ±0.035 1840 1990 40
4.7 5.0 ±0.045 ±0.035 1830 1980 40
5.0 5.6 ±0.045 ±0.035 1800 1950 38
5.6 6.0 ±0.060 ±0.040 1780 1930 38
6.0 6.5 ±0.060 ±0.040 1760 1910 35
6.5 7.0 ±0.060 ±0.040 1740 1890 35