规格 Specification(mm)

组别 Groups

钢号 Steel No.

Φ0.15-Φ14.0

C

72A.B、65Mn、82B

化学成分 Chemical composition

C

Si

Mn

P

S

0.690

0.230

0.680

0.015

0.010

机械性能  Mechanical properties

抗拉强度          Tensile strength

反复弯曲次数不小于                Not less than the number of repeated bending

扭转次数不小于           Not less than the number of to reverse

缠绕圈数不小于                Not less than the number of winding turns

按照客人要求                           According to customer requirements

合格  Qualified

10-19

合格  Qualified

公差范围  Tolerance

±0.01-0.2

生产标准  Standard

GB/T4357-89