1. Material: special brass rod
2. Article: CuZn40Al2 (CuZn37Mn3Al2PbSi)
3. Chemical composition:
a. Cu 57-59%
b. Al 1.3-2.3%
c. Fe 1.0% max.
d. Mn 1.5-3.0%
e. Ni 1.0% max.
f. Pb 0.2-0.8%
g. Si 0.3-1.3%
h. Sn 0.4% max.
i. Zn balance
j. Other 0.3% max.
4. International correspondences:
a. Europe: CW713R
b. USA: C67420
c. GB: CZ135
d. DIN: CuZn40Al2 (CuZn37Mn3Al2PbSi)
5. Mechanical properties of bars for general usage (EN 12164)
a. Material condition: R590
b. Diameter of size (mm): 15mm-50mm
c. Tensile strength Rm N/mm2 min: 590
d. Proof strength Rp0.2 N/mm2 min: 320
e. Elongation A% min.: 12
f. Hardness HB approx 150
6. Material note: versatile hot forgeable alloy combining high strength and good corrosion resistance
7. Application: gear, wear plates, chain guides, shaft, bushings
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