Free Machining Brass
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The free machining brass produced by Powerway Alloy is analloy material with superior processing efficiency and features a longer service life compared to similar alloys on the market. Powerway is leading producer of brass alloys in both quantity and quality in China. Free machining brass is chosen for its excellent cutting and drilling performance that allow it to be easily worked on lathes and other machining equipment.
Categories: Bar & Wire production-Brass Alloy Material
Name: Free Machining Brass
Number: C3602、C3603、C3771、C3604、C3605、HPb59-1、HPb58-3
Alloy Features
Minimal damage on tools during material processing;
Processing efficiency;
Outstanding straightness :< 0.3mm/m;
Good effects for hot forging, cold heading and riveting;
Long service life;
Ovality, high tolerance, consistency ;
| Item | Specification | |||
| ASTM | DIN | JIS | GB | |
| C36000 | CuZn36Pb3 | C3602 | HPb62-3 | 1.0-120mm |
| - | - | C3603 | - | |
| C37700 | CuZn39Pb2 | C3771 | HPb61-1 | |
| C38000 | CuZn39Pb3 | C3604 | HPb60-2 | |
| C38500 | CuZn40Pb3 | C3605 | HPb59-3 | |
| C37000 | CuZn40Pb2 | C3710 | HPb59-1 | |
| - | - | - | HPb58-3 | |
Characteristics
Excellent cutting, drilling performance, able to process by hot forging, cold heading and riveting with high strength, good toughness and corrosion resistance. Excellent discoloration resistance.
Application
The metal alloy is suitable for automatic lathes, CNC lathe processing products, such as hardware, electrical connectors and standard industrial connectors.
| 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 |
| Articles | bar | wire | ||||||||
| Temper | Specification (mm) | Tensile Strength (MPa) | Elongation (%) | Hardness | Temper | Specification (mm) | Tensile Strength (MPa) | Elongation (%) | Hardness | |
| HPb63-3 | Y(H) | 5-15 | ≥490 | ≥3 | - | Y(H) | 0.5-2 | 390-610 | ≥3 | - |
| > 15-20 | ≥450 | ≥8 | > 2-4 | 390-600 | ≥3 | |||||
| > 20-30 | ≥410 | ≥10 | > 4-6 | 390-590 | ≥4 | |||||
| Y2 (1/2H) | 5-20 | ≥390 | ≥10 | Y2 (1/2H) | 0.5-6 | 570-735 | - | |||
| > 20-60 | ≥360 | ≥14 | ||||||||
| H62F | Y(H) | 2-20 | ≥380 | ≥12 | - | Y2 (1/2H) | 0.5-2 | 390-590 | ≥8 | - |
| > 2-4 | 390-590 | ≥10 | ||||||||
| > 20-60 | ≥340 | ≥15 | > 4-6 | 370-570 | ≥12 | |||||
| > 6-10 | 350-560 | ≥15 | ||||||||
| HPb59-1 | Y2 (1/2H) | 1-5 | ≥450 | ≥8 | - | Y2 (1/2H) | 0.5-4 | 390-590 | - | - |
| > 5-20 | ≥420 | ≥10 | > 4-10 | 360-570 | ||||||
| > 20-40 | ≥390 | ≥12 | Y(H) | 0.5-4 | 490-720 | |||||
| > 40-60 | ≥370 | ≥16 | > 4-10 | 400-640 | ||||||
| C3501 | - | - | - | - | - | O | > 0.5 | ≥295 | ≥20 | - |
| 1/2H | 0.5-12 | 345-440 | ≥10 | |||||||
| H | 0.5-10 | ≥420 | - | |||||||
| C3601 | 0 | 6-75 | ≥295 | ≥25 | - | 0 | 0.5-10 | ≥315 | ≥20 | - |
| 1/2H | 6-50 | ≥345 | - | ≥HV95 | 1/2H | 0.5-10 | ≥345 | - | - | |
| H | 6-20 | ≥450 | - | ≥HV130 | H | 0.5-10 | ≥345 | - | - | |
| C3602 | F | 6-75 | ≥315 | - | ≥HV75 | F | 0.5-10 | ≥345 | - | - |
| O | 6-75 | ≥315 | ≥20 | - | O | 0.5-10 | ≥365 | - | - | |
| C3603 | 1/2H | 6-50 | ≥365 | - | ≥HV100 | 1/2H | 0.5-10 | ≥365 | - | - |
| C3604 | H | 6-20 | ≥450 | - | ≥HV130 | H | 0.5-10 | ≥450 | - | - |
| C3605 | F | 6-75 | ≥335 | - | ≥HV80 | F | 0.5-10 | ≥420 | - | - |
| C3771 | F | 6-75 | ≥315 | ≥15 | - | F | 0.5-10 | ≥365 | ≥10 | - |
| Y(H) | 2-5 | ≥490 | - | - | Y(H) | 0.5-1 | 520-735 | - | - | |
| > 5-25 | ≥450 | - | - | > 1-6 | 440-710 | - | - | |||
| > 25-50 | ≥420 | - | - | > 6-10 | 410-610 | - | - | |||
| Articles | Temper | Specification | Tensile Strength (Mpa) | Elongation (%) | Hardness |
| HPb59-1 HPb58-2 HPb58-3 C3604 C3605 C3771 | Y2 (1/2H) | S3-S5 > S5-S20 > S20-S40 | ≥450 ≥420 ≥390 | ≥8 ≥10 ≥12 | - - - |
| ≥8 ≥10 ≥12 | S3-S5 > S5-S20 > S20-S40 | ≥480 ≥450 ≥420 | - - - | - - - | |
| C3501 360 C3601 C3002 C3603 | Y2 (1/2H) | S3-S5 > S5-S20 > S20-S40 | ≥420 ≥390 ≥360 | ≥10 ≥12 ≥14 | - - - |
| Y(H) | S3-S5 > S5-S20 > S20-S40 | ≥450 ≥420 ≥390 | - - - | - - - | |
| C3501 360 C3601 C3002 C3603 | Y2 (1/2H) | a3-a5 > a5-a20 > a20-a40 | ≥400 ≥360 ≥340 | ≥10 ≥12 ≥14 | - - - |
| HPb63-3 H62 H63 | Y2 (1/2H) | a3-a5 > a5-a20 > a20-a40 | ≥390 ≥360 ≥340 | ≥12 ≥14 ≥15 | - - - |
| HPb59-1 HPb58-2 C3601 C3602 C3603 C3604 C3605 360 C3771 | Y2 (1/2H) | (2-4)×(5-12) (4-8)×(6-15) (8-10)×(9-20) | ≥400 ≥380 ≥350 | ≥10 ≥12 ≥14 | - - - |
| HPb63-3 H62 H63 | Y2 (1/2H) | (2-4)×(5-12) (4-8)×(6-15) (8-10)×(9-20) | ≥400 ≥380 ≥350 | ≥10 ≥14 ≥15 | - - - |
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