AP 酸洗钝化管 Annealed and Pickled MP 机械抛光管 Mechanically Polished BA 光亮退火管 Bright Annedled EP 电解抛光管 Electro Polished 区分 Inside Surface Level 外径尺寸 O.D.size Ra(μinch) Ry(μm) AP 所有 ALL ≤100 ≤25 MP 139.8≤OD≤355.6 ≤20 ≤4.0 BA 6.35≤OD≤48.6 ≤15 ≤3.0 48.6≤OD≤165.2 ≤20 ≤4.0 EP 6.35≤OD≤48.6 ≤10 ≤0.5 48.6≤OD≤165.2 ≤10 ≤0.7
AP
MP
BA
EP