1. Introduction to products
With the characteristics of high resistance, low coefficient of electric resistance, high operating temperature, good corrosion resistance under high temperature, as well as the lower price, it iswidely used in industrial electric furnace, household electrical appliance and far infrared ray device.
2. Marking
Each spool/package of alloy is supplied with a label or tag showing alloy type, nominal size, tare and net weight, resistance W/m (W/ft), charge number and a reference number.
3. Size
Wires: 0.018-10mm Ribbons: 0.05*0.2-2.0*6.0mm
Strips: 0.5*5.0-5.0*250mm Bars: D10-100mm
4. Application
Our Products widely apply to chemical industry, metallurgy mechanism, glass industry, ceramic industry, home appliance area and so on.
| C | P | S | Mn | Si | Cr | Ni | Al | Fe | Other |
| Max | Max 0.60 | 22.5~24.5 | Max 0.60 | 4.2~5.0 | Bal. | - | |||
| 0.06 | 0.025 | 0.025 | 0.70 | ||||||
| Max Continuous Service Temp | 1250ºC |
| Resisivity at 20ºC | 1.35 ohm mm2/m |
| Density | 7.25 g/cm3 |
| Thermal Conductivity | 60.2KJ/m@h@ºC |
| Coefficient of Thermal Expansion | 15.0×10-6/ºC |
| Melting Point | 1500ºC |
| Tensile Strength | 637~784 Mpa |
| Elongation | Min 12% |
| Section Variation Shrink Rate | 65~75% |
| Repeatedly Bend Frequency | Min 5 times |
| Continuous Service Time | - |
| Hardness | 200-260HB |
| Micrographic Structure | Ferrite |
| Magnetic Property | Magnetic |
| 20ºC | 100ºC | 200ºC | 300ºC | 400ºC | 500ºC | 600ºC | 700ºC | 800ºC | 900ºC | 1000ºC | 1100ºC | 1200ºC |
| 1 | 1.002 | 1.007 | 1.014 | 1.024 | 1.036 | 1.056 | 1.064 | 1.070 | 1.074 | 1.078 | 1.081 | 1.084 |
| The allowable tolerance of alloy strip GB/T1234-2012 | ||||
| Category | Thickness ( mm ) | Tolerance ( mm) | ||
| Common precision | High precision | |||
| Cold-rolled strip | 0.05 ~ 0.1 | ±0.01 | ±0.005 | |
| 0.1 ~ 0.2 | ±0.015 | ±0.01 | ||
| 0.2 ~ 0.5 | ±0.02 | ±0.015 | ||
| 0.5 ~ 1.0 | ±0.03 | ±0.025 | ||
| 1.0 ~ 1.8 | ±0.04 | ±0.03 | ||
| 1.8 ~ 2.5 | ±0.05 | ±0.04 | ||
| 2.5 ~ 4.0 | ±0.06 | ±0.05 | ||
| Hot-rolled Strip | 2.5 ~ 5.0 | ±0.25 | ±0.2 | |
| 5.0 ~ 7.0 | ±0.3 | ±0.25 | ||
| 7.0 ~ 10.0 | ±0.4 | ±0.35 | ||
| 10.0 ~ 20.0 | ±0.5 | ±0.45 | ||
| The allowable tolerance of alloy strip GB/T1234-2012 | ||||
| Category | Width ( mm ) | Tolerance ( mm ) | ||
| side cut | Nonside cut | |||
| Common precision | High precision | |||
| Cold-rolled Strip | 5.0 ~ 10.0 | ±0.2 | ±0.1 | -0.6 |
| 10.0 ~ 20.0 | -0.8 | |||
| 20.0 ~ 30.0 | -1 | |||
| 30.0 ~ 50.0 | ±0.3 | ±0.15 | -1.2 | |
| 50.0 ~ 100.0 | ±1.0 | |||
| 100.0 ~ 200.0 | ±0.5 | ±0.25 | ±1.5 | |
| 200.0 ~ 300.0 | ±1.8 | |||
| Hot-rolled Strip | 15.0 ~ 60.0 | / | ±1.5 | |
| 60.0 ~ 200.0 | ±2.5 | |||
| 200.0 ~ 300.0 | ±3.0 | |||
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