牌号 | Cu | Sn | Zn | Fe | Pb | Sb | Bi | Ni | As | P |
T2(C1100) | ≥99.9 | 0.002 | 0.005 | 0.005 | 0.005 | 0.002 | 0.001 | 0.005 | 0.002 | - |
T3(C1221) | ≥99.7 | 0.05 | - | 0.05 | 0.01 | 0.005 | 0.002 | 0.2 | 0.01 | - |
TP1(C1201) | ≥99.9 | 0.002 | 0.005 | 0.01 | 0.005 | 0.002 | 0.002 | 0.005 | 0.002 | 0.012 |
TP2(C1220) | ≥99.85 | 0.01 | - | 0.005 | 0.005 | 0.002 | 0.002 | 0.01 | 0.005 | 0.05 |
QSn6.5-0.1(C5191) | 余量 | 6.0-7.0 | 0.3 | 0.05 | 0.02 | 0.002 | 0.002 | 0.2 | - | 0.1-0.25 |
2、尺寸公差:
(1)厚度允许公差
(0.1-0.2)±0.005mm (﹥0.2-0.3)±0.01mm (﹥0.3-0.5)±0.015mm
(﹥0.5-1.0)±0.02mm (﹥1.0-1.2) ±0.025mm (﹥1.2-2.0)±0.035mm
(﹥2.0-3.0)±0.045mm
(2)宽度允许公差: 宽度﹤200±0.15mm (200-300)±0.20mm 宽度﹥300±0.30mm
(3)侧边弯曲度≯3㎜/m