P4055- - JIS Z 2550-2000(R2005)

Performance Level	P4055-
Corresponding Standard	JIS Z 2550-2000(R2005) Sintered metal materials - Specification
Classification	Copper and Copper Alloys
Density	7.8 g/cm³

P4055- Chemical Element Composition Content (%)

Component	Cu	More
Minimum Value	88	Zn:余量
Maximum Value	91	Zn:余量

P4055- Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
≥115	Rp0.2≈65 Rp0.1≈80①	≈9	Surface hardness: HV: ≥30HV5 HR: ≥61HRH

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