C42500 alloy has moderate conductivity, comparable strength to phosphorus bronze, excellent fatigue performance, and good wear resistance. C42500 is resistant to atmospheric and seawater corrosion, and is not sensitive to stress corrosion cracking. This material is very suitable for applications in automobiles, industrial connectors, and shrapnel.
Grade
Chemical composition(%)≤
Thickness
(mm)
ASTM
Cu
Sn
P
Fe
Pb
Zn
0.1-2.0
C42500
87-90
1.5-3.0
0.35
0.05
0.05
Balance
Physical properties
Density
(g/cm³)
Modulus of elasticity
(GPa)
Thermal expansion coefficient
(×10-6/K)
Electrical conductivity
(%IACS)
Thermal conductivity
W(m·K)
8.75
115
18.4
28
120
Mechanical properties
Bend properties
Temper
Vickers Hardness
HV0.2
Tension test
90°R/T(Thick≤0.5mm)
Tensile Strength
(MPa)
Yield Strength
(MPa)
Elongation %
(A50)
Good way
Bad way
R395(1/2H)
110-150
395-485
355-465
≥18
0
0
R430(3/4H)
130-170
430-510
400-490
≥12
0
0
R485(H)
160-180
485-565
455-545
≥9
0
0.5
R525(EH)
170-190
525-605
495-585
≥7
0.5
1
R580(SH)
180-200
580-650
550-630
≥3
1.5
2.5
R635(ESH)
≥200
≥635
≥600
-
-
-
FAQ
Q: How long is your delivery time?
A: Generally it is within 15 days if the goods are in stock. or it is less than 30 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ?
A: Yes, we could offer the sample.
Q: What ls your terms of payment?
A.30% T/T in advance ,balance before shipment. And the price depends on the material and the quantity. If you have another question, please feel free to contact us.