Cuzn25 cast aluminum brass

Product Name: cuzn25 cast aluminum brass
Product specification: bar, plate, strip, pipe, wire, forging, etc

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Cuzn25 cast aluminum brass
Material name: cast copper alloy (25-6-3-3 aluminum brass, sand mold)
Brand: cuzn25
Standard: GB / T 1176-1987
Characteristics and scope of application:
Cuzn25 cast aluminum brass has high mechanical properties, good casting performance, good corrosion resistance, stress corrosion cracking tendency and can be welded. Cuzn25 cast aluminum brass is used for high-strength and wear-resistant parts, such as bridge support plate, nut, screw, wear-resistant plate, sliding block and worm gear.
Chemical composition:
Copper (Cu): 60.0 ~ 66.0
Tin SN: ≤ 0.2 (impurity)
Zinc Zn: others
Lead Pb: ≤ 0.2 (impurity)
Nickel Ni: ≤ 3.0 (not included in the total of impurities)
Aluminum (AL): 4.5 ~ 7.0
Iron (FE): 2.0 ~ 4.0
Manganese (MN): 1.5 ~ 4.0
Silicon Si: ≤ 0.10 (impurity)
Note: total impurities ≤ 2.0
Mechanical properties:
Tensile strength σ b (MPa): ≥725
yield strength σ (MPa): ≥380
Elongation δ 5 (%): ≥10
Hardness: ≥ 1570hb (reference value)
Heat treatment specification: heating temperature 1080 ~ 1120 ℃; Pouring temperature: 1000 ~ 1050 ℃.
Casting method: sand mold casting

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