Commodity: Cold drawn carbon steel wire
1. Material S10C-S85C; SWRH27-SWRH82B; CK10-CK75 65#; 70#; 65Mn; 82B; 72A; 72B and so on.
2. Usage Finished spring; suspension spring; torsion spring; electronic instruments;
precision machinery; car stabilizer bar; etc.
3. Size Diameter: 0.1mm--10mm
4. Material chemical composition
Steel grade |
C |
Mn |
S |
P |
Si |
Cr |
Cu |
Ni |
S10C |
0.08~0.13 |
0.30~0.60 |
≤0.030 |
≤0.030 |
0.15~0.35 |
≤0.20 |
≤0.25 |
≤0.25 |
CK10 |
0.07~0.13 |
0.30~0.60 |
≤0.035 |
≤0.035 |
0.15~0.35 |
|
|
|
CK70 |
0.68~0.75 |
0.20~0.35 |
≤0.035 |
≤0.025 |
0.15~0.35 |
|
|
|
S20C |
0.18~0.23 |
0.30~0.60 |
≤0.030 |
≤0.030 |
0.15~0.35 |
≤0.25 |
≤0.30 |
≤0.20 |
10# |
0.07~0.14 |
0.35~0.65 |
≤0.04 |
≤0.35 |
0.17~0.37 |
≤0.15 |
≤0.25 |
|
80# |
0.77~0.85 |
0.50~0.80 |
≤0.035 |
≤0.035 |
0.17~0.37 |
≤0.25 |
≤0.25 |
|
65Mn |
0.63~0.65 |
0.98~1.1 |
≤0.01 |
≤0.014 |
0.19~0.22 |
≤0.2 |
≤0.05 |
|
82B |
0.76~0.86 |
0.60~0.90 |
≤0.025 |
≤0.025 |
0.15~0.35 |
0.2~0.4 |
|
|
72A |
0.85~0.94 |
≤0.40 |
≤0.020 |
≤0.030 |
≤0.35 |
≤0.25 |
≤0.30 |
|
65# |
0.62~0.70 |
0.50~0.80 |
≤0.035 |
≤0.035 |
0.17~0.37, |
≤0.25 |
≤0.25 |
|
5. Tensile strength,MPa
Diameter |
Grade-B |
Grade-C |
Grade-D |
0.22 |
2110-2500 |
2350-2750 |
2690-3090 |
0.25 |
2060-2450 |
2300-2700 |
2640-3040 |
0.28 |
2010-2400 |
2300-2700 |
2640-3040 |
0.30 |
2010-2400 |
2300-2700 |
2640-3040 |
0.32 |
1960-2350 |
2250-2650 |
2600-2990 |
0.35 |
1960-2350 |
2250-2650 |
2600-2990 |
0.40 |
1910-2300 |
2250-2650 |
2600-2990 |
0.45 |
1860-2260 |
2200-2600 |
2550-2940 |
0.50 |
1860-2260 |
2200-2600 |
2550-2940 |
0.55 |
1810-2210 |
2150-2550 |
2500-2890 |
0.60 |
1760-2160 |
2110-2500 |
2450-2840 |
0.63 |
1760-2160 |
2110-2500 |
2450-2840 |
0.70 |
1710-2110 |
2060-2450 |
2450-2840 |
0.80 |
1710-2060 |
2010-2400 |
2400-2840 |
0.90 |
1710-2060 |
2010-2350 |
2350-2750 |
1.00 |
1660-2010 |
1960-2300 |
2300-2690 |
1.20 |
1620-1960 |
1910-2250 |
2250-2550 |
1.40 |
1620-1910 |
1860-2210 |
2150-2450 |
1.60 |
1570-1860 |
1810-2160 |
2110-2400 |
1.80 |
1520-1810 |
1760-2110 |
2010-2300 |
2.00 |
1470-1760 |
1710-2010 |
1910-2200 |
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