Q345B無縫鋼管銀亮鋼直徑的允許偏差
|
直徑／mm |
允許偏差級別 | ||||
|
7(h7) |
8(h8) |
9(119) |
10(hl0) |
11(h11) | |
|
允許偏差 | |||||
|
0.6-1.0 |
-0.008 |
-0.010 |
-0.020 |
-0.028 |
-0.042 |
|
>1.0-3.0 |
-0.010 |
-0.014 |
-0.024 |
-0.040 |
-0.060 |
|
>3.0-6.0 |
-0.012 |
-0.018 |
-0.030 |
-0.048 |
-0.075 1 |
|
>6.0-10 |
-0.015 |
-0.022 |
-0.036 |
-0.058 |
-0.090 |
|
>l0-18 |
-0.018 |
-0.027 |
-0.043 |
-0.070 |
-0.11 |
|
>18-30 |
-0.021 |
-0.033 |
-0.052 |
-0.084 |
-0.13 |
|
>30-50 |
-0.025 |
-0.039 |
-0.062 |
-0.100 |
-0.16 |
|
>50 |
-0.030 |
-0.046 |
-0.074 |
-0.120 |
-0.19 |
注：銀亮鋼的直徑允許偏差級別應在合同中注明。未注明者一律按ll級交貨。
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