Chemical Composition
Grade | Composition | ||||||
Cu | As | Al | Zn | Fe | Pb | Other Elements | |
C68700 | 76-79 | 0.02-0.1 | 1.8-2.5 | Rem. | 0.06 | 0.07 | 0.07 |
C44300 | 76-79 | 0.03-0.1 | 1.8-2.5 | Rem. | 0.1 | 0.05 | 0.05 |
Dimension
product | Grade | Shape | Temper | Dimension | ||
O.D. | Wall Thcikness | Length (mm) | ||||
Drawn tubes | C68700 | Round | H 1/2H 1/2O O | 10~100 | 1.0~10 | OD.≤100 L1000~7000 |
Mechancial Properties
Temper | Shape | O.D. | Tensile Strength Rm/ (N/mm2) | Elongation A/ % min | HV | HB |
O | Round | 6~100 | ≥295 | 40 | 60~90 | 55~85 |
1/2O | ≥320 | 35 | 70~100 | 65~95 | ||
1/2H | ≥370 | 20 | 85~110 | 80~105 | ||
H | ≥455 | - | ≥110 | ≥105 |