名称：钨棒、钨杆、钨合金棒、钨合金杆
牌号：W1，W2
技术条件：GB4187-84 GB4186-84
用途：用于电子、电光源、电真空等行业、钨发热体等。
钨棒材、杆材牌号、状态和规格
|
牌号 |
加工方法 |
直径d(mm) |
直径允许公差(mm) |
品种 |
|||
|
烧结 |
锻造 (黑钼杆) |
矫直 (黑钼杆) |
经磨削或机加 |
||||
|
W1 |
烧结 |
0.8≤d＜3.0 |
— |
— |
±2% |
±0.03 |
钨杆 |
|
3.0≤d＜6.5 |
— |
±2% |
±0.05 |
||||
|
6.5≤d＜11.0 |
— |
±0.08 |
|||||
|
11≤d＜16 |
— |
±1.0 |
±1.0 |
±0.2 |
钨棒 |
||
|
16≤d＜25 |
— |
±1.0 |
±1.0 |
±0.2 |
|||
|
25≤d＜45 |
±5 |
±1.5 |
±1.5 |
±0.3 |
|||
|
45≤d＜55 |
±5 |
±2.0 |
±2.0 |
±0.5 |
|||
|
55≤d＜60 |
±5 |
±2.5 |
±2.5 |
±0.8 |
|||
|
60≤d＜70 |
±5 |
±3.0 |
±3.0 |
±0.8 |
|||
|
70≤d＜75 |
±8 |
±3.5 |
±3.5 |
±1.0 |
|||
|
75≤d＜85 |
±8 |
±4.0 |
±4.0 |
±1.5 |
|||
|
85≤d＜90 |
±8 |
±4.5 |
±4.5 |
±1.5 |
|||
|
90≤d＜100 |
±8 |
±4.5 |
±4.5 |
±1.5 |
|||
注：研磨或机加工方法的直径允许偏差可根据需方要求而定。
