GB/T14975-2012 結構用不銹鋼無縫鋼管 標準下載
結構(gou)用(yong)(yong)不銹鋼(gang)無(wu)縫管(guan)適(shi)用(yong)(yong)于一(yi)般(ban)結構(gou)及機械結構(gou)。1.標記示例: a.用(yong)(yong)022Cr17Ni12Mo2鋼(gang)制造的外徑(jing)為(wei)25mm,壁厚為(wei)2mm,定尺長度(du)(du)為(wei)6000mm,尺寸精度(du)(du)為(wei)普通級的冷拔(ba)(軋)鋼(gang)管(guan),標記為(wei):WC022Cr17Ni12Mo2-25×2×6000-GB/T...