steel wire
Physical Properties：
| Steel wire diameter mm |
Tensile strength Kgf/mm2 |
Curving, time |
| 08F~10F |
15F~20 |
25~35 |
40~50 |
55~60 |
08F~10F |
15F~20 |
25~35 |
40~50 |
55~60 |
| >= |
>= |
| 0.20~0.75 |
75 |
80 |
100 |
110 |
120 |
-- |
-- |
-- |
-- |
-- |
| 0.75~0.10 |
70 |
75 |
90 |
100 |
110 |
6 |
6 |
6 |
5 |
5 |
| 1.0~3.0 |
65 |
70 |
80 |
90 |
100 |
6 |
6 |
5 |
4 |
4 |
| 3.0~6.0 |
60 |
65 |
70 |
80 |
90 |
5 |
5 |
5 |
4 |
4 |
| 6.0~10.0 |
55 |
60 |
65 |
75 |
80 |
5 |
4 |
3 |
2 |
2 |
| Trademark |
Mechanics performance |
| Tensile strength Kgf/mm2 |
Elongation ratio % |
Shrinkage % |
| 10 |
45~70 |
8 |
50 |
| 15 |
50~75 |
8 |
40 |
| 20 |
50~75 |
7.5 |
40 |
| 25 |
55~80 |
7 |
40 |
| 30 |
55~80 |
7 |
35 |
| 35 |
60~85 |
6.5 |
35 |
| 40 |
60~85 |
6 |
35 |
| 45 |
65~90 |
6 |
330 |
| 50 |
65~90 |
6 |
30 |
| 65 |
75~95 |
9 |
35 |
| 70 |
75~95 |
8 |
30 |
| 85 |
80~100 |
6 |
30 |
Chemical composition：
| Trademark |
C % |
Si % |
Mn % |
Cr % |
Other elements% |
| 65 |
0.62~0.70 |
0.17~0.37 |
0.50~0.80 |
≤0.25 |
------ |
| 70 |
0.62~0.75 |
0.50~0.80 |
≤0.25 |
------ |
| 85 |
0.82~0.90 |
0.50~0.80 |
≤0.25 |
------ |
| 65Mn |
0.62~0.70 |
0.90~1.20 |
≤0.25 |
------ |
| 55Si2Mn |
0.52~0.60 |
1.50~2.00 |
0.60~0.90 |
≤0.35 |
B 0.0005~0.0040 |
| 55Si2MnB |
0.52~0.60 |
0.60~0.90 |
≤0.35 |
|
|
