You can purchase all the components of the heating lamp from our company at one time, including quartz glass tube, filament, ceramic base, etc.
| Chemical Composition List for Different Raw Materials | ||||||||||
| Alloy Material | Chemical Composition % | |||||||||
| C | P | S | Mn | Si | Cr | Ni | Al | Fe | Others | |
| Max. (≤) | ||||||||||
| 1Cr13Al4 | 0.12 | 0.025 | 0.025 | 0.7 | ≤1.00 | 12.5-15.0 | - | 3.5-4.5 | Rest | - |
| 0Cr15Al5 | 0.12 | 0.025 | 0.025 | 0.7 | ≤1.00 | 14.5-15.5 | - | 4.5-5.3 | Rest | - |
| 0Cr25Al5 | 0.06 | 0.025 | 0.025 | 0.7 | ≤0.60 | 23.0-26.0 | ≤0.60 | 4.5-6.5 | Rest | - |
| 0Cr23Al5 | 0.06 | 0.025 | 0.025 | 0.7 | ≤0.60 | 20.5-23.5 | ≤0.60 | 4.2-5.3 | Rest | - |
| 0Cr21Al6 | 0.06 | 0.025 | 0.025 | 0.7 | ≤1.00 | 19.0-22.0 | ≤0.60 | 5.0-7.0 | Rest | - |
| 0Cr19Al3 | 0.06 | 0.025 | 0.025 | 0.7 | ≤1.00 | 18.0-21.0 | ≤0.60 | 3.0-4.2 | Rest | - |
| 0Cr21Al6Nb | 0.05 | 0.025 | 0.025 | 0.7 | ≤0.60 | 21.0-23.0 | ≤0.60 | 5.0-7.0 | Rest | Nb 0.5 |
| 0Cr27Al7Mo2 | 0.05 | 0.025 | 0.025 | 0.2 | ≤0.40 | 26.5-27.8 | ≤0.60 | 6.0-7.0 | Rest | Mo:1.8-2.2 |
Technical Charactarictics for Different Iron Chrome Aluminum
| HRE | 1Cr13Al4 | 1Cr21Al4 | 0Cr21Al6 | 0Cr23Al5 | 0Cr25Al5 | 0Cr21Al6Nb | 0Cr27Al7Mo2 | ||
| Major chemical component% | Cr | 23-25 | 12.0-12.5 | 17.0-21.0 | 19.0-22.0 | 20.5-23.5 | 23.0-26.0 | 21.0-23.0 | 26.5-27.8 |
| Al | 5.0-7.0 | 4.0-6.0 | 2.0-4.0 | 5.0-7.0 | 4.2-5.3 | 4.5-6.5 | 5.0-7.0 | 6.0-7.0 | |
| Fe | -- | Balance | Balance | Balance | Balance | Balance | Balance | Balance | |
| Others | -- | Appropriate | Appropriate | Appropriate | Appropriate | Appropriate | Appropriate | Appropriate | |
| Nb:0.5 | Mo:1.8-2.2 | ||||||||
| Max. Use Temperature | 1400 | 950 | 1100 | 1250 | 1250 | 1250 | 1350 | 1400 | |
| Melting Point ºC | 1500 | 1450 | 1500 | 1500 | 1500 | 1500 | 1510 | 1510 | |
| Density g/cm3 | 7.1 | 7.4 | 7.35 | 7.16 | 7.25 | 7.1 | 7.1 | 7.1 | |
| Resistivity μΩ·m,20ºC | 1.45 | 1.25 | 1.23 | 1.42 | 1.35 | 1.40 | 1.43 | 1.53 | |
| Tensile Strength Mpa | 637-784 | 588-735 | 637-784 | 637-784 | 637-784 | 637-784 | 637-784 | 684-784 | |
| Extension Rate% | 16 | 16 | 12 | 12 | 16 | 16 | 10 | ||
| Repeated bending frequency | 5 | 5 | 5 | 5 | 5 | ||||
| Specific Heat J/g. | 0.49 | 0.49 | 0.52 | 0.46 | 0.494 | 0.494 | 0.494 | ||
| Heat Conduction Coefficient KJ/M.h.ºC | 52.7 | 46.9 | 63.2 | 60.1 | 46.1 | 46.1 | 45.2 | ||
| Linear expansion coefficient aX10-6/(20-1000) | 15.4 | 13.5 | 14.7 | 15 | 16 | 16 | 16 | ||
| Hardness HB | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | ||
| Microstructure | Ferritic | Ferritic | Ferritic | Ferritic | Ferritic | Ferritic | Ferritic | ||
| Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | ||

Good service and cooperation, reasonable price, customer-trusted quality.
FAQ:
Q: How long is your delivery time?
A: Generally speaking, two weeks according to the quantity.
Q: Do you provide samples?
A: Yes, we could provide the sample free of charge.
Q: What is your payment terms?
A: 30% T/T in advance, 70% T/T before shipment. Or irrevocable sight LC. After stable cooperation experience, we would offer better payment condition.
Q: How can I place an order?
A: You can do it through email, wechat, whatsapp, skype.
Q: How do you take care when your clients received defective products?
A: If there are some defective items more than percentage that both sides agreed in the PI or SC, we usually credit to our customer or replace in next shipment.
If you have any request for other information or assistance, please feel free to let us know. Thanks.





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