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factory supply low price nickel iron alloy plate/sheet kovar 4j29
- 500 Metric Ton / Metric Tons per Month
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Product Details
Brand Name | cunrui | Place of Origin | China | |
Model Number | 4j29 | Type | Nickel Plate | |
Application | many kinds of industry field | Grade | Nickel Base Alloy | |
Powder Or Not | Not Powder | Ni (Min) | 28% |
packed with waterproof paper or weave bag, into pallets or wooden case.
Product Description
factory supply low price nickel iron alloy plate/sheet kovar 4j29
Expansion Alloy
Grade:4j29,4j36,4j42,4j43,4j44,4j47,4j50etc.
Sharp:wire, bar/rod, strip, sheet, tube
standard:GB/T15018,YB/T5231-2005,YB/T5241-2005,YB/T5235-2005etc.
Basic performance:It is divided into low-expansion alloy and fixed-expansion alloy, the latter is also known as sealing alloy.Expansion alloy besides has the specific thermal expansion coefficient, according to the different USES also requires a good sealing property, weldability and corrosion resistance, machinability and cutting, and in the use of expansion characteristics caused by the temperature range there is no obvious change of phase transformation, its product is commonly bar, sheet, strip, wire and tube and so on.
Expansion alloy applications: It is widely used in glass, metal and ceramic sealing in avionics and instruments, electric vacuum industry and other electronic devices, electric light source and other fields.
Average coefficient of linear expansion10-6/ ℃:
20—200°C | 20—300°C | 20—400°C | 20—450°C | 20—500°C | 20—600°C | 20—700°C | 20—800°C |
5.6 | 5.2 | 4.7 | 5.1 | 6.0 | 7.5 | 9.0 | 9.8 |
Mechanical Property
Item | Tensile Strength/Mpa | |||||
Grade | Shape | annealed | 1/4 hard | 1/2hard | 3/4hard | unannealed |
4j29 | Wire | <585 | 585~725 | 655~795 | 725~860 | >860 |
Strip | <570 | 520~630 | 590~700 | 600~770 | >700 |
Company Profile

JiangSu CuiRui Metal Products Co., Ltd Is Located In Jiangsu Province Wuxi City, The Large South Stainless Steel Markets In China, Is Also One of the Powerful Company In the Stainless Steel Area With Large Scale And Long History. We Have 2000 Square Meters Of Storage And Processing Center Which Covered Equipment Using In Slitting, Cutting In horizontal, Laser Cutting , Plasma And Grinding Machine And Embossing Machine. We Mainly Sell Stainless Steel Sheet, Pipes, Coils, Bands, Section Bars And So On Which Are Applied In Decoration, Medical Industry, Food Industry, Construction Industry etc, And Have Gained Gain Good Feedback And Establish Mutual Trust With Our Clients. According To Your Requirement We Can Process Brushed Film, 6k, 8k Mirror, Polishing, Yellow Titanium, Black Titanium, Rose Gold, No Fingerprint, And All Kinds Of Colored Stainless Steel Sheet
Contact Us
- Jiangsu Cunrui Metal Products Co., Ltd.
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