| 牌號 | 1.0575 |
| 歐標(biāo)鋼號 | E420 |
| 對應(yīng)標(biāo)準(zhǔn) | EN 10305-5-2003
精密儀器用鋼管.交貨技術(shù)條件.第5部分:焊接冷精加工方形和矩形管材 Steel tubes for precision applications - Technical delivery conditions - Part 5: Welded cold sized square and rectangular tubes |
| 歸類 | 合金鋼 |
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