Super-Invar Expansion Precision Alloy (4J32)
Basic Info
Model No.: 4J32
Product Description
Model NO.: 4J32 Material: Fe-Ni-Co Trademark: ToLand Alloy Specification: customize HS Code: 7505220000 Product Type: Wire Carbon Content: Low Carbon Transport Package: Spool, Coil, Woven Bags, Wooden Case Origin: Jiangsu Danyang Product description:
4J32 expansion alloy, also known as super-invar alloy, has been the metal of choice for low expansion applications for years.
"Super-Invar" (31% NI-5% Co-Balance Iron) has found some favor because it has an almost zero coefficient of thermal expansion over a limited temperature range. The useful range of "Super Invar" is limited between -32º Cto + 275º C. Because the material begins to transform from Austenite to Martensite at temperature below-32º F.
Melting Range: 1430~1450º C
Density: 8.10g/cm³
Curie Temperature: 220º C
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4J32 expansion alloy, also known as super-invar alloy, has been the metal of choice for low expansion applications for years.
"Super-Invar" (31% NI-5% Co-Balance Iron) has found some favor because it has an almost zero coefficient of thermal expansion over a limited temperature range. The useful range of "Super Invar" is limited between -32º Cto + 275º C. Because the material begins to transform from Austenite to Martensite at temperature below-32º F.
Melting Range: 1430~1450º C
Density: 8.10g/cm³
Curie Temperature: 220º C
Typical expansion character(10 -6 / ºC ) | ||||||||||
Temperature range | 20~60 | 20~50 | 20~100 | 20~150 | 20~200 | 20~250 | 20~300 | 20~400 | 20~500 | 20~600 |
Expansion coefficient | -0.90 | 0.5 | 0.9 | 1.4 | 2.0 | 3.2 | 4.9 | 7.7 | 9.6 | 10.8 |
Varieties | Steel type Specifications mm | Precision alloy | Resistance Alloys for electrical heating | Super alloy | Welding Wire | Corrosion resistant alloy | |
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. |
Product Categories : Precision Alloy
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