Classification: | Low Expansion Alloy |
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Density: | 8.18 |
Resisivity: | 0.9 |
Curie Point: | 340 |
State: | Soft |
Brand: | Vacovit 465 |
Customization: |
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4 j6, 4 j47, Vacovit 465 at 20 ~ 400 degrees Celsius temperature range, with the expansion coefficient of similar soft glass, used for matching with corresponding soft glass sealing.This kind of alloy containing chromium, after oxidation treatment, the alloy surface generated very dense oxide film, combined with matrix and firm, and soft glass and invasive good.Therefore, to get the sealing side of high strength.Is an important sealing structure in electric vacuum industry material.
brand | Chemical composition | |||||||||
Ni | Cr | Fe | C | P | Mn | B | Al | Si | S | |
≤ | ||||||||||
4j6 | 41.5~42.5 | 5.4~0~6.3 | Bal | 0.05 | 0.02 | 0.25 | - | 0.2 | 0.3 | 0.02 |
4j47 | 46.8~47.8 | 0.8~1.4 | Bal | 0.05 | 0.02 | 0.40 | - | - | 0.3 | 0.02 |
Vacovit 465 | 46.0~48.0 | 5.0~6.0 | Bal | 0.05 | 0.02 | 0.40 | 0.02 | - | 0.3 | 0.02 |
brand | Density g / cm3 | resistivity | Curie point |
4j6 | 8.15 | 0.92 | 270 |
4j47 | 8.19 | 0.55 | 400 |
Vacovit 465 | 8.18 | 0.90 | 340 |
Typical expansion character(10 -6 / ºC ) | |||||||
Temperature range | 20~100 | 20~200 | 20~300 | 20~400 | 20~500 | 20~550 | 20~600 |
Expansion coefficient | 9.0 | 9.0 | 8.9 | 9.6 | 10.9 | 11.4 | 111.8 |
Varieties | Steel type Specifications mm |
Precision alloy |
Resistance Alloys for electrical heating | Super alloy | Welding wire | Corrosion resistant alloy |
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Rods | hot rolling rods | Φ8~38mm | available | available | available | ||
Cold-drawn rods | ≤50mm | available | available | available | |||
Forged rods | Φ38~350mm | available | available | available | |||
Wires | Round wires | Φ0.3~8mm | available | available | available | available | available |
Non-circle wires | Negotiation | available | available | available | |||
Strips | Cold rolling | 0.15~4×200mm | available | available | available | available | |
Hot rolling | 4~22×200mm | available | available | available | available | ||
Plates | Cold rolling | 0.5~4×1000×2000mm | available | available | available | ||
Hot rolling | 4~22×1000×2000mm | available | available | available | |||
tubes | Φ4~63×0.5~5mm | available | available | ||||
Executive standard: GB, GJB, HB, YB, ASTM, AMSE, negotiation and so on. |
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