Typical Applications Various types of pressure gauge pipes in the industrial machinery industry
Bridge support plates, clutch friction plates, connectors, diaphragms, fuse clips, fasteners, etc Lock washers, springs, switch parts, terminals, etc
Chemical composition

Copper Cu	Margin	Wt%
Tin Sn	3.5-4.9	Wt%
Phosphorus P	0.03-0.35	Wt%
Iron Fe	≤ 0.1	Wt%
Zinc	≤ 0.3	Wt%

Physical performance

Melting point	1050	° C
Density	8.86	g/cm3
Conductivity	16	% IACS
Thermal conductivity k	84	W/m/k
Thermal expansion coefficient	17.8	μ M/m/° C
Elastic modulus	110	Gpa

Mechanical properties

Status	Bar specification (mm)	Tensile strength (MPa)	Yield strength (MPa)	Elongation rate (%)	Hardness (HRB)
O60	Φ 30-70	270-380	/	≥ 40	70-100
H04	Φ 7-40	480~570	/	≥ 4	145-185
H08	Φ 7-40	550~650	/	≥ 3	175-210