
Nickel-iron alloy application
The largest use of nickel ironEarly Fe-Ni alloys were used for telephone communication. Later, a heat treatment process and vacuum smelting were used to improve the properties of the alloys. The permeability of Fe-Ni alloy containing Ni78% is about 10 ~ 20 times higher than that of silicon steel in weak magnetic field. It is widely used in sensitive relays, magnetic shielding, telephone and radio transformers, precision AC and DC instruments, and current transformers (see transformers). for stainless steel charge, as a substitute for nickel, under normal circumstances, 200 series stainless steel can be used directly with low grade nickel iron, 300 series stainless steel supplies in more than 8% nickel iron.
Nickel-iron classification
According to smelting equipment nickel iron is divided into blast furnace nickel iron and electric furnace nickel iron, the taste of blast furnace nickel iron is generally low, mostly containing nickel below 8%, and electric furnace nickel iron generally containing nickel more than 8%.
Nickel-iron alloy chemical composition
Chemical Material Composition of Alloy 925 | ||||||||||
Grade | Ni | Cr | Fe | Si | Mo | Cu | Mn | C | S | Al |
925 | 42 - 46 | 19.55 - 22.5 | 22 min | 0.5 max | 2.5 - 3.5 | 1.5 - 3.0 | 1.0 max | 0.03 max | 0.03 max | 0.1 - 0.5 |
Nickel-iron alloy mechanical property
Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
8.14 g/cm3 | 1343°C | 650 | 300 | 30% |
Nickel-iron alloy specification
Name | Nickel Iron Plate | ||||||||||
Material | Nickel Iron Alloy | ||||||||||
Shape | sheet, rod, ring, disc and processing according to drawings. | ||||||||||
Size | Customized | ||||||||||
Feature | 1) High resistance to radiation 2) Heavy Density, high ultimate tensile strength, High elastic modulus, and high temperature resistance. 3) Weldability and oxidation resistance greatly enhanced. 4) no harm to environment and health. | ||||||||||
Application | 1) Used to astronavigation , missile, the aviation industry; 2) Used to mechanical industries, electronic communications, communications and transportation, medical treatment. | ||||||||||
Dimension | Thickness | Width | Length | ||||||||
≥0.05mm | ≤450mm | ≤800mm | |||||||||
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Grade | AMS-T-21014 | ||||||||||
| Class 1 | Class 1 | Class 2 | Class 2 | Class 3 | Class 3 | Class 4 | ||||
Composition | 90W7Ni3Fe | 91W6Ni3Fe | 92W5Ni3Fe | 93W4Ni3Fe | 95W3Ni2Fe | 96W3Ni1Fe | 97W2Ni1Fe | ||||
Density (g/cm3) | 17.1±0.15 | 17.25±0.15 | 17.50±0.15 | 17.60±0.15 | 18.10±0.15 | 18.30±0.15 | 18.50±0.15 | ||||
Heat Treatment | Sintering | Sintering | Sintering | Sintering | Sintering | Sintering | Sintering | ||||
Tensile St. (MPa) | 900-1000 | 900-1000 | 900-1100 | 900-1100 | 920-1100 | 920-1100 | 920-1100 | ||||
Elongation (%) | 18-29 | 17-27 | 16-26 | 16-24 | 10-22 | 8-22 | 6-13 | ||||
Hardness(HRC) | 24-28 | 25-29 | 25-29 | 26-30 | 27-32 | 28-34 | 28-36 |


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Application
Our steel products are mainly used in chemical industry, petrochemical industry, offshore, seawater pipeline, desalination plant, nuclear engineering, paper and pulp industry.


Nickel alloy outlet
We are a well known worldwide supply and export Nickel alloy in following countries:,Italy, Philippines, France,Ireland, Portugal, Gambia, Thailand, Ukraine, United Kingdom, Netherlands, South Africa, Spain, Turkey, Libya, Romania, Puerto Rico, Azerbaijan, United Arab Emirates, Pakistan, Ghana, Slovakia, Germany, Saudi Arabia, Afghanistan, Bolivia, Switzerland, Bangladesh, Taiwan, Oman, Egypt, Greece, Norway, Singapore, Bulgaria, Estonia, Belgium, Yemen, Hong Kong, Ecuador, Sri Lanka, Nepal, Belarus, Finland, Gabon, Iran, Canada, Argentina, Lebanon.