Shanghai Tankii Alloy Material Co.,Ltd
| Payment Terms | T/T, Western Union, L/C, Paypal |
| Supply Ability | 1000KG per month |
| Delivery Time | 3-7 weeks |
| Packaging Details | Waterproof paper, Carton and Wooden Case |
| Shape | Wire |
| Condition | Soft |
| Standard | YB/T5231-2005 / ГОСТ 14080-78 |
| Color | Silver |
| Weight of coil | 1~45 KG |
| Surface | Bright |
| Brand Name | Sealing Alloy 4J29 |
| Model Number | Kovar / 29НК / 4J29 |
| Certification | ISO 9001 and RoHS |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, Western Union, L/C, Paypal | Supply Ability | 1000KG per month |
| Delivery Time | 3-7 weeks | Packaging Details | Waterproof paper, Carton and Wooden Case |
| Shape | Wire | Condition | Soft |
| Standard | YB/T5231-2005 / ГОСТ 14080-78 | Color | Silver |
| Weight of coil | 1~45 KG | Surface | Bright |
| Brand Name | Sealing Alloy 4J29 | Model Number | Kovar / 29НК / 4J29 |
| Certification | ISO 9001 and RoHS | Place of Origin | China |
| High Light | soft magnetic alloy ，precision tubing | ||
Soft Kovar Alloy Wire 4J29 for Sealing Glass ISO 9001 / RoHS
Application: Vacuum device main seal structure material
Feature: At 20 to 450 degrees and having a linear expansion coefficient similar borosilicate hard glass, high Curie point, has good low temperature stability of the organization. Suitable for use in mercury discharge instrument. Rectangular hysteresis loop.
Specifications
| Grade | 4J29- Strip |
| Thickness | 0.01~5mm |
| Width | 4~250mm |
| Weight of coil | 2-50 kgs |
| Condition | Soft/ Hard; Bright/ Oxidized |
Chemical composition(%)
| Grade | C | Si | Mn | P | S | Ni | Cu | Cr | Mo | Co | Fe |
| 4J29 | ≤0.03 | ≤ 0.3 | ≤ 0.5 | ≤0.02 | ≤0.02 | 28.5~29.5 | ≤ 0.2 | ≤0.2 | ≤0.2 | 16.8~17.8 | Bal. |
Physical properties
Mechanical properties
|
|
| Yield Strength (Mpa) | Tensile Strength (Mpa) | Elongation, % | Hardness, HV |
| 4J29 | Cold-rolling | 695 | 780 | 5 | 230 |
| As annealed | 315 | 520 | 24 | 148 |
Pls contact with us, if you have questions! zlz@tankii.com(Primary mailbox)
Looking forward to your inquiry!
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1981
Total Annual:
8000000-100000000
Employee Number:
90~100
Ecer Certification：
Verified Supplier
Shanghai Tankii Alloy Material Co., Ltd.specialized in production of Resistance Heating Alloy, Nickel Chromium Alloy, Iron Chromium Aluminum Alloy, Nickel Aluminum Alloy, Manganin, Copper Nickel Alloy, thermocouple wire, pure nickel and other precision alloy materials in the form of round wire, ribb... Shanghai Tankii Alloy Material Co., Ltd.specialized in production of Resistance Heating Alloy, Nickel Chromium Alloy, Iron Chromium Aluminum Alloy, Nickel Aluminum Alloy, Manganin, Copper Nickel Alloy, thermocouple wire, pure nickel and other precision alloy materials in the form of round wire, ribb...
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