线材直径d/mm
|
0.03
|
0.04~0.09
|
0.10
|
0.11~0.30
|
0.31~0.50
|
0.53~0.60
|
0.61~1.00
|
1.05~3.00
|
3.10~6.00
|
|
允
许 偏
差 |
4级
|
-0.004
|
-0.008
|
-0.13
|
-0.015
|
-0.018
|
-0.020
|
-0.025
|
||
5级
|
-0.005
|
-0.010
|
-0.020
|
-0.025
|
-0.030
|
-0.040
|
-0.050
|
|||
6级
|
—
|
-0.035
|
-0.040
|
-0.045
|
-0.060
|
-0.080
|
||||
抗拉强度σb/MPa
|
883~1 324
|
834~1 079
|
735~981
|
637~882
|