Danyang Kaixin Alloy Material Co., Ltd.
| Payment Terms | T/T, L/C |
| Supply Ability | 50~80TONS per MONTH |
| Delivery Time | 45~60days |
| Packaging Details | Wooden Box, size as per guests's request |
| Shape | Wire,Strip,Rod,Tube,Plate |
| Alloy Type | Iron Nickel Cobalt Alloy |
| Raw Materials | NI32.4-33.4%,CO7-8%,Fe Rem |
| Executive standard | YB/T 5241 |
| Delivery State | Soft State |
| Application | To produce a variety of klystron, microwave tube cavity in the electric vacuum industry |
| Features | Low linear expansion coefficient in the range of 20-100°C and easy to cut machining. |
| Size | Negotiable |
| Brand Name | KAIXIN |
| Model Number | KX-Alloy40 |
| Certification | ISO9001:2015 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, L/C | Supply Ability | 50~80TONS per MONTH |
| Delivery Time | 45~60days | Packaging Details | Wooden Box, size as per guests's request |
| Shape | Wire,Strip,Rod,Tube,Plate | Alloy Type | Iron Nickel Cobalt Alloy |
| Raw Materials | NI32.4-33.4%,CO7-8%,Fe Rem | Executive standard | YB/T 5241 |
| Delivery State | Soft State | Application | To produce a variety of klystron, microwave tube cavity in the electric vacuum industry |
| Features | Low linear expansion coefficient in the range of 20-100°C and easy to cut machining. | Size | Negotiable |
| Brand Name | KAIXIN | Model Number | KX-Alloy40 |
| Certification | ISO9001:2015 | Place of Origin | China |
| High Light | 4J40 resistance alloy ，Alloy40 resistance alloy Rod ，Alloy40 iron nickel cobalt alloy | ||
KX 4J40 Corrosion Resistant Alloy Light Rod On Expansion Alloy
Product Description and Application
4J40 is also known as Alloy 40
4J40 is Fe-Ni-Co ternary alloy and its curie point is above 300℃. The alloy has a low expansion coefficient in the temperature range of -20 ~ 300℃, and the transformation from austenite (γ) to martensite (M) does not occur until -60℃. The alloy is mainly used in the manufacture of highly precise instrument parts and electronic devices requiring sizes in the temperature range of -50 to 300℃
Process Performance and Requirements
Vacuum Induction Furnace(VIM) and Electroslag Remelting Furnace(ESR)
| Alloy Grade | Chemical Composition (mass fraction)(％) | ||||||||
| C | Si | P | S | Mn | Cu | Ni | Co | Fe | |
| ≤ | |||||||||
| 4J40 | 0.05 | 0.15 | 0.02 | 0.02 | 0.25 | --- | 32.4～33.4 | 7.0～8.0 | Rem |
| Alloy Grade | Sample Heat Treatment Institution | Average coefficient of linear expansionα(10-6/ K) | |
| 20～100℃ | 20～300°C | ||
| 4J40 | The semi-finished sample was heated to 840±10°C, hold for 1 hour, water quenched, and then the sample was processed into finished sample. Heat preservation 1 hour at 315±l0℃ with furnace cooling or air cooling | ～ | ≤2.0 |
| Alloy Grade | Average Coefficient of Linear Expansion α(10-6/ K) | |||||
| 20～50℃ | 20～100℃ | 20～200℃ | 20～300℃ | 20～400℃ | 20～500℃ | |
| 4J40 | 1.4 | 1.3 | 1.2 | 1.7 | 4.5 | ～ |
Professional Customization
| Cold-drawn Wire | ¢0.3~¢18mm(Delivery in rolls or trays) |
| Hot-Rolling Wire | ¢5.5~¢20mm(Delivery in rolls) |
| Strip | thickness 0.1~4.5*width 6~350mm(Supply in rolls or straight strips) |
| Smooth Forged Rod on a Lathe | ¢60~350mm,L800-2500mm |
| Hot-rolled Burnishing | ¢20~80mm,L1000-5000mm |
| Cold Drawn and Burnishing | ¢2.5~18mm,L1000-8000mm |
| Seamless Tube | ¢1~275mm,wall thickness 0.2~30,L1000-8000mm |
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
2007
Total Annual:
10000000-30000000
Employee Number:
150~200
Ecer Certification：
Verified Supplier
Danyang Kaixin Alloy Materials Co., Ltd. was founded on April 18th, 2007, covering an area of 13500 square meters with a registered capital of 20 million yuan. It is a professional enterprise engaged in independent production,research and development of high performance alloy materials such as preci... Danyang Kaixin Alloy Materials Co., Ltd. was founded on April 18th, 2007, covering an area of 13500 square meters with a registered capital of 20 million yuan. It is a professional enterprise engaged in independent production,research and development of high performance alloy materials such as preci...
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