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20号钢gb3087 2008低中压锅炉管价格|20号钢质量证明书
(7)GB/T8713-1988(液压和气动筒用精密内径方管),主要用于制作液压和气动缸筒用的具有精密内径尺寸的冷拔或冷轧方管。
73*3.5-4-4.5-5-5.5-6-7-7.5-8-9-10-11-12 |
76*3-3.5-4-4.5-5-5.5-6-7-8-9-10-12 |
89*4-4.5-5-5.5-6-6.5-7-7.5-8-9-10-11-12-12.5.-13-14 |
95*4-4.5-5-5.5-6-7-8-9-10-11-12.5-14-16 |
102*4-4.5-5-5.5 -6-7-8-9-12 |
108*4-4.5-5-5.5-6-6.5-7-8-9-10-11-12-12.5-14-16-20 |
114*4.5-5-5.5-6-7-8-9-10-11-12.5-13-14-15-16 |
121*4-4.5-5-5.5-6-7-8-8.8-10-11-12.5-14.2-16-18-20 |
127*4.5-5-5.5-6-7-7.5-8-9-10-11-12.5-14-16-18-20 |
133*4.5-5-5.5-6-7-8-9-10-11-12.5-14-16-18-20 |
140*5-6-7-8-10-12-14-16-18-20 |
159*4.5-5-5.5-6-7-8-9-10-12-12.5-14-16 |
168*5.5-6-6.5-7-8-9-9.5-10-11-12-13-14-16-18-19-20 |
219*6-6.5-7-8-9-10-11-12-13-14-15-16-17-18 |
273*6.5-7-8-9-9.5-10-11-12-13-14-15-16-18-20 |
325*7-8-8.5-9-10-11-12-13-14-15-16-17-18-20 |
356*8-9-9.5-10-11-12-13-14-15-16-18-19 |
377*8-9-9.5-10-11-12-13-14-15-16-18-20 |
406*8-9-9.5-10-11-12-13-14-16-17-18 |
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