M702S-H力学性能M702S-H材质证明M702S-H标准M702S-H用途M702S-H铜排、M702S-H铜棒、M702S-H铜板、M702S-H铜带、M702S-H铜线、M702S-H铜管、M702S-H铜箔、M702S-H铜片、M702S-H铜材、M702S-H铜料、M702S-H线料、M702S-H方铜、M702S-H六角铜、M702S-H片材、M702S-H密度M702S-H铜焊丝、M702S-H焊条(供应铜合金价格、规格、标准、对应牌号、用途、图片、密度、成分表、材质证明)1.交货状态：锻造、铸态、退火态、固溶态、时效态；2.外观状态：黑皮态、车光态、磨光态、酸洗态；3.尺寸规格：公称尺寸、公差范围、定尺、不定尺、标准尺寸；4.质量标准：国标、ASTM、A***E、JIS、EN、DIN、其它；青铜材质对照：)