等级：enaw-al99.7（dubl）铝合金。电工用薄板
编号：enaw-1370
分类：铝-1000系列/注意！enaw-1070a级也称为enaw-al99.7
标准：en 573-3:2009铝和铝合金。锻造产品的化学成分和形式。产品的化学成分和形式
en 14121:2009铝和铝合金。电工用薄板、带材和板材
chemical composition ％ of grade enaw-al99.7(dubl) ( enaw-1370 )
fe si mn cr al cu b mg zn others -
max 0.25 max 0.1 max 0.01 max 0.01 min 99.7 max 0.02 max 0.02 max 0.02 max 0.04 each 0.02; total 0.1 ga < 0.03; v+ti < 0.02
mechanical properties of grade enaw-al99.7(dubl) ( enaw-1370 )
rm - tensile strength (mpa) (o) (h111) 65-105
rm - tensile strength (mpa) (h24) 105-150
rp0.2 0.2％ proof strength (mpa) (o) (h111) 20
rp0.2 0.2％ proof strength (mpa) (h24) 75
a - min. elongation at fracture (％) (o) (h111) 32
a - min. elongation lo = 50mm (％) (o) (h111) 20-35
a - min. elongation lo = 50mm (％) (h24) 3月8日
brinell hardness (hbw): (o) (h111) 20
brinell hardness (hbw): (h24) 33
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