Product Name: H68 brass rod, C2680 brass rod (Shenzhen Red Orientalmetal materials Co., Ltd.)
Material: brass rod (semi hard, 5 ~ 12mm)
Grade: H68
Standard: GB/T 5231-2001
Features and scope of applications: there is a very good plasticity (is the bestbrass) and high strength, good cutting performance, easy welding.
Chemical composition:
Copper Cu:67.0 ~ 70
Zn zinc: allowance
Lead: Pb ≤ 0.03
Lead: Pb ≤ 0.03
B: P ≤ 0.01
Iron: Fe ≤ 0.10
Beryllium: Sb ≤ 0.005
Bismuth: Bi ≤ 0.002
Note: ≤ 0.3 (impurity)
Mechanical properties:
Tensile strength ≥ 370
Elongation ≥ 18
Sample size: diameter or the edge distance of 5 to 12
Heat treatment: hot working temperature 750 ~ 830 ℃; annealing temperature of 520 ~ 650 ℃; eliminate internal stress of low temperature annealing temperature 260 ~ 270 ℃.