China Alloy 875 Fecral Heating Resistance Rod, Find details about China Resistohm 145, Aluchrom 0 from Alloy 875 Fecral Heating Resistance Rod
Properties\Grade | 1Cr13Al4 | 0Cr21Al4 | 0Cr21Al6 | 0Cr23Al5 | 0Cr25Al5 | 0Cr21Al6Nb | 0Cr27Al7Mo2 | |
Main Chemical Composition(%) | Cr | 12.0 ~ 15.0 | 18.0 ~ 21.0 | 19.0 ~ 22.0 | 22.5 ~ 24.5 | 23.0 ~ 26.0 | 21.0 ~ 23.0 | 26.5 ~ 27.8 |
Al | 4.0 ~ 6.0 | 3.0 ~ 4.2 | 5.0 ~ 7.0 | 4.2 ~ 5.0 | 4.5 ~ 6.5 | 5.0 ~ 7.0 | 6.0 ~ 7.0 | |
Fe | Balance | Balance | Balance | Balance | Balance | Balance | Balance | |
Re | Opportune | Opportune | Opportune | Opportune | Opportune | Opportune | Opportune | |
Nb:0.5 | Mo:1.8-2.2 | |||||||
Mechanical Properties | ||||||||
Grade | 0Cr21Al6 | 0Cr25Al5 | 0Cr23Al5 | 1Cr13Al4 | 0Cr21Al6Nb | 0Cr21Al4 | 0Cr27Al7Mo2 | |
Max Continuous Service Temp | 1250 ºC | 1250 ºC | 1250 ºC | 950 ºC | 1350 ºC | 1100 ºC | 1400 ºC | |
Resisivity at 20ºC | 1.42 ±0.07 ohm mm2/m | 1.42 ±0.06 ohm mm2/m | 1.35 ±0.07 ohm mm2/m | 1.25 ±0.08 ohm mm2/m | 1.45 ±0.07 ohm mm2/m | 1.23 ±0.06 ohm mm2/m | 1.53 ±0.07 ohm mm2/m | |
Density | 7.16 g/cm3 | 7.10 g/cm3 | 7.25 g/cm3 | 7.4 g/cm3 | 7.10 g/cm3 | 7.35 g/cm3 | 7.1 g/cm3 | |
Thermal Conductivity | 63.2 KJ/m@h@ ºC | 46.1KJ/m@h@ ºC | 60.2KJ/m@h@ ºC | 52.7 KJ/m@h@ ºC | 46.1 KJ/m@h@ ºC | 46.9 KJ/m@h@ ºC | 45.2 KJ/m@h@ ºC | |
Coefficient of Thermal Expansion | 14.7×10-6/ ºC | 16.0×10-6/ ºC | 15.0×10-6/ ºC | 15.4×10-6/ ºC | 16.0×10-6/ ºC | 13.5×10-6/ ºC | 16.0×10-6/ ºC | |
Melting Point | 1500 ºC | 1500 ºC | 1500 ºC | 1450 ºC | 1510ºC | 1500 ºC | 1520 ºC | |
Tensile Strength | 637~784 Mpa | 637~784 Mpa | 637~784 Mpa | 588~735 Mpa | 637~784 Mpa | 637~784 Mpa | 637~784 Mpa | |
Elongation | Min 12% | Min 12% | Min 12% | Min 12% | Min 12% | Min 12% | Min 10% | |
Section Variation Shrink Rate | 65~75% | 65~75% | 65~75% | 65~75% | 65~75% | 65~75% | 65~75% | |
Repeatedly Bend Frequency | Min 5 times | Min 5 times | Min 5 times | Min 5 times | Min 5 times | Min 5 times | Min 5 times | |
Hardness | 200-260HB | 200-260HB | 200-260HB | 200-260HB | 200-260HB | 200-260HB | 200-260HB | |
Micrographic Structure | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | |
Magnetic Property | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic |