QSn4-3 Tin Bronze

What Is QSn4-3 Tin Bronze?

QSn4-3 tin bronze is a zinc-containing tin bronze material with high wear resistance, elasticity, and good diamagnetic properties.

Material name: QSn4-3 tin bronze
Standard: (GB/T 13808-1992)
Tensile strength: 275σb/MPa
Elongation: ≥25δ10/%

Features and scope of application:

It is zinc-containing tin bronze, with high wear resistance and elasticity, good diamagnetism, and can withstand hot or cold pressure processing well; under hardness, good workability, easy welding and fiber welding, in the atmosphere .Good corrosion resistance in fresh water and sea water.

chemical composition:

Sn: 3.5-4.5
Al: 0.002
Zn: 2.7-3.3
Fe:0.05
Pb: 0.02
Ni:0.2
P:0.03
Cu: margin
Impurities: 0.2

Mechanical properties:

Tensile strength (σb/MPa): 275
Elongation (δ10/%): ≥25
Elongation (δ5/%): ≥30
Note: the longitudinal mechanical properties of the bar at room temperature
Sample size: diameter (40-120)