S20100 S20200 S20500 S30100 不锈
H68 H65 H63 H6..
H96 H90 H85 H8..
磷脱氧铜TP1 TP2 TA..
无氧铜TU0 TU1 TU2
纯铜T1 T2 T3
S30200 S30215 ..