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Help Center4J42 Nickel-iron Sealing Alloy Nickel Iron Soft Magnetic Alloy
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4j42 Sealing Alloy
Chemical Composition (%):
| Material | C | Si | Mn | P | S | Ni | Co | Fe |
| 4J29 | 0.015 | 0.12 | 0.25 | 0.006 | 0.005 | 29.10 | 17.30 | Bal |
| 4J33 | 0.030 | 0.12 | 0.26 | 0.006 | 0.005 | 33.10 | 14.50 | Bal |
| 4J42 | 0.020 | 0.20 | 0.50 | 0.006 | 0.005 | 41.70 | 0.050 | Bal |
| Material | Density | Young Modulus | Mean Coefficient Of Thermal Expansion | Curie Point | Electrical Resistivity | Specific Heat | Thermal Conductivity |
| 4J29 | 8.17 | 165*1000 | 5.0-5.2 | 430 | 46 | 418 | 20.3 |
| 4J33 | 8.16 | 175*1000 | 6.4-6.9 | 440 | 44 | 398 | 18.6 |
| 4J42 | 8.14 | 150*1000 | 4.8-6.9 | 350 | 62 | 176.8 | 15.5 |
Material |
4J29/4J33/4J42 |
Size |
1.5mm-300mm |
Length |
2.5m-5m |
Surface |
bright or black |
Condition Of Delivery |
Sealing Alloy |
Specification |
GB/T9943-2008 |
Technology |
hot rolled, cold drawn or forged |
Casting method |
ESR |
HV |
4j29:148 4j33:152 4j42:135 |
Elongation |
4j29:24 4j33:22 4j42:29 |
Items
sample
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Applications · metal cutting tools for roughing and finishing such as twist drills, milling cutters, end mills, punches, taps, reamers, broaches, countersinks, rotating files, metal saws, chasers, cutters, planning tools, circular and straight metal saw blades, milling tools of all types, shaping and woodworking tools, segments for circular saw blades, cold work tools, screw dies ·cold forming tools such as cold extrusion rams, punches and dies, precision cutting and blanking tools, cold and hot forming tools, hobbling tools, boring tools, cold heading tools, knurling tools.
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packing detail |
in wooden case |
delivery |
30-50 days after the date we receive the down payment. |
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Quality Assurance
·100% UT certificate
·flaw detection
·24 hours technical support by email
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We both have a manufactory and trade company,specilizes in making high speed steels, raw materials steel brands like, 4j29,4j33 or 4j42 and so on. And maraging steels. We also produce other steels as you required.
Finished products like cutting tools, drill bits, taps, saw blades also can provide.
We have exported to many countries like Russia, Germany, Netherlands, Hungary, Vietnam, Italy, and so on... And enjoy a very good reputation. Any time welcome you to visit our factory.
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Sean Han |
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Dalian Jingtai Industry Trade Co., Ltd. | |||
T: 0086 411 87833266 | F: 0086 411 87833435 | | |||
E: miranda@jingtaigongmao. cn | |||
W: / | |||
Products Showroom on |
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