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Product Description Name:Free cutting brass bar(c3604bd) Number: C3602,C3603,C3771,C3604,C3605,HPb59-1,HPb58-3 Advantages:The free cutting brass of Powerway has superior processing efficiency and longer service life than the same PRODUCTS in the market. The quantity and quality is leading the trade in the country with its perfect cutting and drilling performances, being applied in the automatic lathes and numerically controlled lathes processing areas. Feature: Little damage on the tool material processing; Processing efficiency; Straightness good <0 3mm / m; Forging cold forging good effect; Long life; Oval, tolerance and good consistency; The processing part surface finish. | Item | SIZE | Characteristics | Usage | |||
| ASTM | DIN | JIS | GB | |||
| C36000 | CuZn36Pb3 | C3602 | HPb62-3 | 1.0-120mm | With excellent cutting, drilling performance, high strength, good conductivity and corrosion resistance. | Suitable for automatic lathes, CNC lathe processing products, such as hardware, electrical connectors, connector. |
| — | — | C3603 | — | 1.0-120mm | ||
| C37700 | CuZn39Pb2 | C3771 | HPb61-1 | 1.0-120mm | ||
| C38000 | CuZn39Pb3 | C3604 | HPb60-2 | 1.0-120mm | ||
| C38500 | CuZn40Pb3 | C3605 | HPb59-3 | 1.0-120mm | ||
| C37000 | CuZn40Pb2 | C3710 | HPb59-1 | 1.0-120mm | ||
| — | — | — | HPb58-3 | 1.0-120mm | ||
| Articles | Chemical composition(wt%) | Total Impurity(wt%) | |||||
| GB/QB | DIN/ASTM/JIS | Cu | Pb | Zn | Fe | Sn | |
| C3602 | JIS C3602 | 59.0-63.0 | 1.8-3.7 | REM | ≤0.5 | Fe+Sn≤1.0 | - |
| C3603 | JIS C3603 | 57.0-61.0 | 1.8-3.7 | REM | ≤0.35 | Fe+Sn≤0.6 | - |
| C3604 | JIS C3604 | 57.0-61.0 | 1.8-3.7 | REM | ≤0.5 | Fe+Sn≤1.0 | - |
| C3605 | JIS C3605 | 56.0-60.0 | 3.5-4.5 | REM | ≤0.5 | Fe+Sn≤1.0 | - |
| C3771 | JIS C3771 | 57.0-61.0 | 1.0-2.5 | REM | Fe+Sn≤1.0 | - | |
| HPb59-1 | - | 57.0-60.0 | 0.8-1.9 | REM | ≤0.5 | - | ≤1.0 |
| HPb58-3 | - | 57.0-59.0 | 2.5-3.5 | REM | ≤0.5 | - | ≤1.2 |
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