4J29 ( Kovar ) 4J32 4J33 4J34 4J36(Invar ) 4J50 Strip Nickel Alloy for Heating
PRODUCT DESCRIPTION
Invar 36 is used where high dimensional stability is required, such as precision instruments, clocks, seismic creep gauges, television shadow-mask frames, valves in motors, and antimagnetic watches. In land surveying, when first-order (high-precision) elevation leveling is to be performed, the Level staff (leveling rod) used is made of Invar, instead of wood, fiberglass, or other metals. Invar struts were used in some pistons to limit their thermal expansion inside their cylinders.
| Name | Invar 36 |
| Density | 8.1 |
| Elongation | 0.78 |
| Related product | KOVAR 4J29,4J32,4J22,4J42,4J52,1J22,1J50 |
Normal Composition%
| Ni | 35-37.0 | Fe | Bal. | CO | - | SI | ≤0.3 |
| Mo | - | Cu | - | Cr | - | Mn | 0.2-0.6 |
| C | ≤0.05 | P | ≤0.02 | S | ≤0.02 | | |
Coefficient of Expansion
| θ/℃ | α1/10^-6℃^-1 | θ/℃ | α1/10^-6℃^-1 |
| 20~-60 | 1.8 | 20~250 | 3.6 |
| 20~-40 | 1.8 | 20~300 | 5.2 |
| 20~-20 | 1.6 | 20~350 | 6.5 |
| 20~-0 | 1.6 | 20~400 | 7.8 |
| 20~50 | 1.1 | 20~450 | 8.9 |
| 20~100 | 1.4 | 20~500 | 9.7 |
| 20~150 | 1.9 | 20~550 | 10.4 |
| 20~200 | 2.5 | 20~600 | 11.0 |
Typical Physical Properties
| Density(g/cm^3) | 8.1 |
| Electrical resistivity at 20 ℃(OMmm^2/m) | 0.78 |
| Temperature factor of resistivity(20℃~200℃)*10^-6/℃ | 3.7-3.9 |
| Thermal conductivity. | 11 |
| Curie Point Tc/℃ | 230 |
| Elastic Modulus,E/Gpa | 144 |
FAQ
1. What's the minimum quantity customer can order?
If we have your size in stock, we can provide any quantity you want.
If the size is not in stoct, our MOQ will be about 30kgs.
2. Customer do not have express account. How will us arrange the delivery for sample order?
Just need to provide your address information, we will check the express cost, you can arrange the express cost together with sample value.
3.What's our payment terms?
We can accept LC T/T payment terms, it also depending on delivery and total amount. Let's talk more in details after getting your detailed requirements.
4.Do you provide free samples?
If you want several meters and we have stock of your size, we can provide, customer need to bear the International express cost.
5.What's our working time?
We will give you reply through email/phone Online contact tool within 24 hours. No matter working day or holidays.
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4J29 Kovar 4J32 4J33 4J34 4J36 Invar 4J50 Nickel Alloy Strip Images
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