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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

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Tags：steel wire