Square&Rectangular Copper Mould Tube
Copper mould tube is core accessories of mould for steel billet continuous casting machine, and highly related to the steel billet quality. Copper mould tubes are supplied in the shape of square, rectangular and round with sizes up to 16000 mm in casting radius with a wide selection of coatings, including Nickel and chrome coatings.
The specification of square copper mould tube is 60 * 60-400 * 400mm, and the length is 680mm-2000mm. the specification of rectangular copper mould tube is 60-400mm, and the length is 680mm-2000mm. the specification of round copper mould tube is ø60-ø300, and the length is 680mm-2000mm. Designing and producing copper mould tubes according to customer requirements.
Technical Index
| Copper Mould Tube Material | |||||
|---|---|---|---|---|---|
| Item | Temp. | Unit | Material | ||
| CuDHP | CuAg0.1 | CuCrZr | |||
| Chemical Composition | |||||
| P0.015-0.040 | Ag0.08-0.12 | Cr0.30-1.20 | Ag0.08-0.12 | Cr0.30-1.20 | |
| — | P0.04-0.012 | Zr0.03-0.30 | P0.04-0.012 | Zr0.03-0.30 | |
| Physical Properties | |||||
| Electrical conductivity | 20 | %IACS | 83 | 95 | 80 |
| Thermal conductivity | 20 | W/(m.k) | 340 | 372 | 330 |
| Coefficient of thermal expansion | 20-300 | 10’-6/K | 17.1 | 17.1 | 17.2 |
| Recrystallisation temperature | — | ℃ | 345 | 360 | 690 |
| Modulus of elasticity | 20 | 10’3MPa | 120 | 123 | 126 |
| Melting point | — | ℃ | 1083 | 1083 | 1078 |
| Specific gravity | — | g/cm3 | 8.9 | 8.9 | 8.9 |
| Mechanical Properties | |||||
| Ultimate tensile strength | 20 | Mpa | 240-310 | 240-310 | 375-445 |
| Ultimate tensile strength | 100 | Mpa | 190-270 | 230-270 | 365-425 |
| Ultimate tensile strength | 200 | Mpa | 140-190 | 205-240 | 365-410 |
| Ultimate tensile strength | 300 | Mpa | — | 175-210 | 335-375 |
| Ultimate tensile strength | 400 | Mpa | — | 145-160 | 315-350 |
| 0.2 Yield point strength(Rp0.2) | 20 | Mpa | 190-250 | 200-225 | 280-355 |
| 0.2 Yield point strength(Rp0.2) | 100 | Mpa | 185-260 | 195-240 | 270-345 |
| 0.2 Yield point strength(Rp0.2) | 200 | Mpa | — | 180-225 | 260-330 |
| 0.2 Yield point strength(Rp0.2) | 300 | Mpa | — | 165-215 | 250-320 |
| 0.2 Yield point strength(Rp0.2) | 400 | Mpa | — | 130-145 | 240-290 |
| Elongation（A5） | 20 | % | 25_10 | 16_10 | 20-13 |
| Hardness | 20 | HB | 80-95 | 110-125 | 115-130 |
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