Wuxi Zhongxin Special Steel Co.,Ltd.
Mission: to be the demonstrator of high quality development of steel industry and the leader of future steel industry
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UNS N04400 Alloy 400 tube/pipe OD35mm wall thick 1mm Heat exchangerASTM B127, B163, B164, B165, B564, B725, B730, B366
Alloy 400 from NeoNickel has superb corrosion resistance, particularly in neutral and alkaline salts. It is also one of a limited number of alloys that can be used in conjunction with hydrofluoric acid and fluorine. With high nickel content, this alloy is immune to chloride-induced stress corrosion cracking. The alloy also has good mechanical properties from sub-zero temperatures up to 549°C. This alloy also performs excellently in seawater, with improved resistance to cavitation corrosion compared with other copper-base alloys. It’s often used to handle sulphuric acid up to 80% concentration at room temperature and up to 15% sulphuric acid at boiling temperatures.
Mechanical & Physical Properties
| Mechanical & Physical Properties | -180°C | -130°C | -70°C | 21.1°C | 93.3°C | 204.4°C | 315.6 | 371.1°C | 426.7°C | 537.8°C | 648.9°C | 982°C |
| Ultimate Tensile Strength /MPa | - | - | - | 450 | 420 | 390 | 380 | 370 | 370 | - | - | - |
| 0.2% Yield Strength /MPa | - | - | - | 175 | 150 | 135 | 130 | 130 | 130 | - | - | - |
| Reduction of area % | - | - | - | - | - | - | - | - | - | - | - | - |
| Elongation % | - | - | - | 51 | 44 | 43 | 47 | - | 48 | 38 | - | - |
| Coefficient of Thermal Expansion /µm/m°C | 11.1 | 11.4 | 12.1 | - | 14.2 | 15.2 | 15.7 | 16.1 | - | 16.3 | 16.6 | 18.1 |
| Thermal Conductivity /kcal/(hr.m.°C) | 14.19 | 15.65 | 17.03 | 18.92 | 20.64 | 23.13 | 25.89 | 28.72 | - | 31.39 | 33.88 | - |
Q: Would you provide samples For free?
A: Yes . with on stock specification We provide samples For Free . Freight charge collect
Q:What information should i provide to source for the right products ?
A: Material grade, width, thickness, coating and Purchase quantity , Expected lead time ,etc
Q: What are the shipping ports?
A: Under normal circumstances, we ship from Shanghai, Tianjin, Qingdao, Ningbo ports, you
can choose other ports according to your needs.
Q: About product prices?
A: Prices vary from period to period due to cyclical changes in the price of raw materials.
Q: How long does your delivery time take?
A: In general, our delivery time is within 5-45 days, and may be delayed if the demand is extremely
large or special circumstances occur.
Q: Can I visit your location?
A: Of course, we welcome customers from all over the world to visit our factory. However, some
of the plants are not open to the public.
Q: Does the product have quality inspection before loading?
A: Of course, all our products are strictly tested for quality before packaging, and unqualified
products will be destroyed.We provide All original Mill test certificate and support third party inspection.
Q: How to pack the products?
A: The inner layer has a waterproof paper outer layer with iron packaging and is fixed with a fumigation
wooden pallet. It can effectively protect products from corrosion during ocean transportation.
Q: What is your working time?
A: In general, our online service time is Beijing time: 8:00-22:00, after 22:00,
we will reply to your inquiry during the next working day.