Alloy name | C5111 | C5102 | C5191 | C5212 | C5210 | C5240 |
Characteristics | High Strength / Good Corrosion Resistance | High Strength / Good Corrosion Resistance / High Elasticity |
||||
Applications | Connector / Switch | Connector / Switch / Relay |
Alloy name | C5111 | C5102 | C5191 | C5212 | C5210 | C5240 | ||
Chemical Composition (wt%) | Cu | Balance | Balance | Balance | Balance | Balance | Balance | |
Sn | 3.5-4.5 | 4.5-5.5 | 5.5-7.0 | 7.0-9.0 | 7.0-9.0 | 9.0-11.0 | ||
P | 0.03-0.35 | 0.03-0.35 | 0.03-0.35 | 0.03-0.35 | 0.03-0.35 | 0.03-0.35 | ||
Zn | ≤0.2 | ≤0.2 | ≤0.2 | ≤0.2 | ≤0.2 | ≤0.2 | ||
Pb | ≤0.02 | ≤0.02 | ≤0.02 | ≤0.02 | ≤0.02 | ≤0.02 | ||
Fe | ≤0.1 | ≤0.1 | ≤0.1 | ≤0.1 | ≤0.1 | ≤0.1 | ||
Others | Cu+Sn+P≥99.5 | Cu+Sn+P≥99.5 | Cu+Sn+P≥99.5 | Cu+Sn+P≥99.5 | Cu+Sn+P≥99.5 | - | ||
Physical Properties | Melting Temp. (℃) | 1063 | 1049 | 1045 | 1027 | 1027 | 999 | |
Specific Gravity | 8.86 | 8.86 | 8.83 | 8.8 | 8.8 | 8.78 | ||
Thermal Conductivity {W/(m·K)} |
84 | 69 | 67 | 62 | 62 | 50 | ||
Coefficient of Thermal Expansion(10-6/K) |
17.8 | 17.8 | 18.0 | 18.2 | 18.2 | 18.4 | ||
Modulus of Elasticity in Tension(kN/mm²) |
110 | 110 | 105 | 110 | 110 | 110 | ||
Poisson's Ratio | 0.33 | 0.33 | 0.33 | 0.33 | 0.33 | 0.33 | ||
Electrical Conductivity (%IACS) |
20 | 15 | 13 | 13 | 13 | 11 | ||
Mechanical Properties |
Tensile Strength (N/㎟) |
O | ≥295 | ≥305 | ≥315 | ≥345 | - | - |
1/4H | 345-440 | 375-470 | 390-510 | 390-510 | - | - | ||
1/2H | 410-510 | 470-570 | 490-610 | 490-610 | 470-610 | - | ||
H | 490-590 | 570-665 | 590-685 | 590-705 | 590-705 | 650-750 | ||
EH | 570-660 | 620-710 | 635-720 | ≥685 | 685-785 | 750-850 | ||
SH | ≥640 | ≥660 | ≥690 | - | 735-835 | 850-950 | ||
ESH | - | - | - | - | 770-885 | 950-1050 | ||
XSH | - | - | - | - | 835-1000 | 1000-1200 | ||
Elongation (%) |
O | ≥38 | ≥40 | ≥42 | ≥45 | - | - | |
1/4H | ≥25 | ≥28 | ≥35 | ≥40 | - | - | ||
1/2H | ≥12 | ≥15 | ≥20 | ≥30 | ≥27 | - | ||
H | ≥7 | ≥7 | ≥8 | ≥12 | ≥20 | ≥11 | ||
EH | ≥3 | ≥4 | ≥5 | ≥5 | ≥11 | ≥9 | ||
SH | - | - | - | - | ≥9 | ≥5 | ||
ESH | - | - | - | - | ≥5 | ≥1 | ||
XSH | - | - | - | - | ≥1 | - | ||
Hardness (Hv) |
O | - | - | - | - | - | - | |
1/4H | 80-150 | 90-160 | 100-160 | 100-160 | - | - | ||
1/2H | 120-180 | 130-190 | 150-205 | 150-205 | 140-205 | - | ||
H | 150-200 | 170-220 | 180-230 | 180-235 | 185-325 | 200-240 | ||
EH | ≥170 | 190-230 | 200-240 | ≥210 | 210-260 | 230-270 | ||
SH | ≥200 | ≥200 | ≥210 | - | 230-270 | 250-290 | ||
ESH | - | - | - | - | 245-285 | 270-310 | ||
XSH | - | - | - | - | - | ≥290 |