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Phosphor Bronze
Phosphor Bronze is a copper alloy mainly made of tin and red metal. Unlike red metal and brass, it's hard and strong, with high flexibility. Its strength makes it resistant to deformation during "cold working" processes. Its elasticity and wear resistance make it suitable for springs and "push on/off" switches. It is a copper alloy widely used in daily life.
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Phosphor bronze: abrasion resistant with high flexibility and hardness.
Chemical Composition
Type No. | Alloy No. | Symbol | Chemical Composition | Features & Application | |||||
---|---|---|---|---|---|---|---|---|---|
Plate Ribbon | Cu+Sn+P | Fe | Pb | Zn | Sn | P | |||
PB |
C5102 |
C5102P |
>99.5 | <0.10 | <0.02 | <0.20 | 4.5~5.5 | 0.03~0.35 |
Features: Good elongation, endurance, and corrosion-resistance. |
C5111 |
C5111P |
>99.5 | <0.10 | <0.02 | <0.20 | 3.5~4.5 | 0.03~0.35 | ||
C5191 |
C5191P |
>99.5 | <0.10 | <0.02 | <0.20 | 5.5~7.0 | 0.03~0.35 | ||
PBS |
C5210 |
C5210P |
>99.5 | <0.10 | <0.02 | <0.20 | 7.0~9.0 | 0.03~0.35 |
Features: Good elongation, endurance, and corrosion-resistance. |
Mechanical Properties & Physical properties
Alloy No. | Mechanical Properties | Physical Properties | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Quality Grade | Symbol |
Tensile Strength (Kgf/mm2) |
Yield Strength (Kgf/mm2) |
Elongation | Hardness | Modulus of elasticity (GPa) |
Electric Conductivity (%IACS) |
Specific heat capacity ﹝J/kg·k﹞ |
Density (g/cm3) |
Coefficient of thermal expansion (x10-6/K) | Thermal conductivity W/(m·K) |
||
Plate Ribbon | Standards | Minchali | |||||||||||
C5102 | 1/2H |
C5102P-1/2H |
48~58 | — | >15 | 130~190 | 140~170 | 110 | ≧15 | 377 | 8.86 | 17.8 | 71 |
3/4H |
C5102P-3/4H |
— | — | — | — | 160~190 | |||||||
H |
C5102P-H |
58~68 | — | >7 | 170~220 | 180~210 | |||||||
EH |
C5102P-EH |
63~72 | — | >4 | 190~230 | 200~230 | |||||||
SH |
C5102P-SH |
>68 | — | — | >200 | 220~250 | |||||||
C5111 | 1/2H |
C5111P-1/2H |
42~52 | — | >12 | 120~180 | 140~170 | 110 | ≧20 | 377 | 8.86 | 17.8 | 84 |
3/4H |
C5111P-3/4H |
46~56 | — | >10 | — | 160~190 | |||||||
H |
C5111P-H |
50~60 | ≧45 | >7 | 150~200 | 180~210 | |||||||
EH |
C5111P-EH |
58~67 | ≧52 | >3 | 170~220 | 200~230 | |||||||
SH |
C5111P-SH |
>66 | ≧58 | — | ≧200 | 220~250 | |||||||
C5191 | 1/2H |
C5191P-1/2H |
50~62 | ≧46 | >20 | 150~205 | 140~170 | 105 | ≧13 | 377 | 8.83 | 18.0 | 67 |
3/4H |
C5191P-3/4H |
— | — | — | — | 160~190 | |||||||
H |
C5191P-H |
60~70 | ≧53 | >8 | 180~230 | 180~210 | |||||||
EH |
C5191P-EH |
65~73 | ≧61 | >5 | 200~240 | 200~230 | |||||||
SH |
C5111P-SH |
≧70 | ≧69 | — | >210 | 220~250 | |||||||
C5210 | 1/2H |
C5210-1/2H |
48~62 | ≧27 | >27 | 140~205 | 140~170 | 110 | ≧11 | 377 | 8.80 | 18.2 | 63 |
3/4H |
C5210-3/4H |
— | ≧47 | — | — | 160~190 | |||||||
H |
C5210-H |
60~72 | ≧45 | >20 | 185~235 | 180~210 | |||||||
EH |
C5210-EH |
70~80 | ≧60 | >11 | 210~260 | 200~230 | |||||||
SH |
C5210-SH |
75~85 | ≧65 | >9 | 230~270 | 220~250 | |||||||
ESH |
C5210-ESH |
79~90 | ≧70 | >5 | 245~285 | 230~260 |