KX 4J44 Corrosion Resistant Alloy Light Rod On Expansion Alloy
Price:
To negotiate
MOQ:
200KG
Delivery Time:
45~60days
Brand:
KAIXIN
Product Description
Product Description and Application
4J44 is also known as Alloy 44
4J44 has a certain coefficient of linear thermal expansion over a certain temperature range. It is used to make iron-nickel-cobalt alloy strip, bar, plate and pipe with hard glass matching sealing. It is suitable for electric vacuum devices such as transmitting tube, oscillation tube, ignition tube, transistor, tube seal plug and relay shell.
Process Performance and Requirements
- Product Fusion Process
Vacuum Induction Furnace(VIM) and Electroslag Remelting Furnace(ESR)
- Product Chemical Composition
| 4J44 Chemical Composition% | ||||||||||
| C | P | S | Mn | Si | Cu | Cr | Mo | Ni | Co | Fe |
| Not more than | ||||||||||
| 0.03 | 0.02 | 0.02 | 0.5 | 0.3 | 0.2 | 0.2 | 0.2 | 34.2～35.2 | 8.5～9.5 | Rem |
- Product Physical Property
| Alloy Grade | Sample Processing |
Average Linear Expansion Coefficient a/10-6·K-1 |
State | Tensile Strength | ||
| 4J44 | It was heated to 900± 20℃ in hydrogen atmosphere, hold for 1 hour, then heat to 1100±20℃, hold for 15min, then cool to below 200℃ at a speed of no more than 5℃/min. | 200-300℃ | 20-400℃ | 20-450℃ | M(Soft State) | ＜570 |
| 4.3-5.1 | 4.6-5.2 | / | 1/2H(Hard State) | 590-700 | ||
| 3/4H(Hard State) | 600-770 | |||||
| H(Hard State) | ＞700 | |||||
- Productive Process
-
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 |
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Get in Touch
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Company
Danyang Kaixin Alloy Material Co., Ltd.
Location
The North East of Danlv Bridge, Aerospace Industry Park, Lvcheng Town,Danyang City,Jiangsu Province
Contact Person
AnnaPei