20g高压锅炉管执行标准：GB
20G高压锅炉管现货资源：
|
10 x 2 |
57 x 3.5-8 |
194 x 8-22 |
|
12 x 2 |
60 x 3.5-8 |
219 x |
|
14 x 2-3 |
76 x 4.5-12 |
245 x |
|
16 x 3 |
89 x 4.5-14.2 |
273 x 10 x 18 |
|
25 x 2.5-3 |
108 x 6-14 |
273 x 20-25 |
|
28 x 2.5-4 |
127 x 6-24 |
325 x |
|
32 x 3.5-4 |
133 x 8-25 |
351 x |
|
42 x 3.5-6 |
159 x 8-28.5 |
377 x |
|
51 x 3.5-6 |
168 x 12-25 |
426 x |
