缝管生产标准 |
GB/T14976-2002 |
GB/T14975-2002 |
GB13296-91 |
生产规格材质 |
6×1-2 |
32×3-10 |
114×5-20 |
8×1-2 |
34×3-10 |
133×5-20 | |
10×1-3 |
45×3-12 |
159×5-25 | |
12×1-3 |
45×3-12 |
168×5-25 | |
14×2-4 |
48×3-12 |
219×5-30 | |
16×2-4 |
51×3-12 |
273×6-30 | |
18×2-4 |
57×3-15 |
325×8-30 | |
20×2-5 |
60×3-15 |
325×8-30 | |
22×2-6 |
64×3-15 |
377×8-30 | |
25×2-6 |
76×3-18 |
426×10-30 | |
27×3-6 |
89×4-20 |
480×12-30 | |
28×3-6 |
108×4-25 |
530×12-30 |