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Corrosion Resistant 4j36 Capillary Tube Invar Alloy Round Thin Wall Tube Size Customized
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Corrosion Resistant 4j36 Capillary Tube Invar Alloy Round Thin Wall Tube Size Customized
| MOQ: | 100KG |
| Price: | Price is negotiated based on the required specifications and quantity |
| Standard Packaging: | Standard export packaging, or packaging as required |
| Delivery Period: | 5-8 working days, depending on the parameters required for negotiation |
| Payment Method: | Payment Terms: Mainly T/T.. L/C, D/A, D/P, |
| Supply Capacity: | 5000 tons per month |
Detail Information
Place of Origin
China
Brand Name
Zhonggong Special Metallurgy
Certification
ISO Certificate
Model Number
4J36 Precision Alloy
Density:
8.1g/cm³
Material:
4j36 Alloy Pipe
Melting Point Range:
Between 1390 And 1450°C
Size:
Custom Size
Packing Details:
Wooden Box Or As Per Your Requirement. Special Packing Requirements Can Also Be Accommodated.
Plasticity And Toughness:
Good
Type Of Tube:
Straight Tube, U Bend Tube , Coil Tube，seamless Tube
Product Type:
Bar, Tube, Plate, Strip, Etc
Highlight:
Corrosion Resistant Capillary Tube
,4j36 Capillary Tube
,Invar Thin Wall Tube
Product Description
Corrosion Resistant 4j36 Capillary Tube Invar Alloy Round Thin Wall Tube Size Customized
Product Specifications
| Attribute | Value |
|---|---|
| Density | 8.1g/cm³ |
| Material | 4j36 alloy pipe |
| Melting point range | Between 1390 and 1450°C |
| Size | Custom Size |
| Packing Details | Wooden Box Or As Per Your Requirement. Special Packing Requirements Can Also Be Accommodated. |
| Plasticity and toughness | Good |
| Type Of Tube | Straight Tube, U Bend Tube, Coil Tube, Seamless Tube |
| Product Type | Bar, Tube, Plate, Strip, Etc |
Product Description
The corrosion resistant 4J36 capillary tube is an Invar alloy thin wall round tube available in customized sizes. This 4J36 alloy features an ultra-low expansion coefficient, excellent plasticity and toughness, and is suitable for both cold and hot processing.
Key Characteristics
Density: 8.1g/cm³
Iron-nickel alloy with ultra-low expansion coefficient
Excellent plasticity and toughness for easy processing
Corrosion-resistant in dry air at room temperature
Curie point at approximately 230℃ (ferromagnetic below, non-magnetic above)
Chemical Composition
| Alloy | Ni | Cr | Fe | C | Mn | Si | Co | Mo | P | S |
|---|---|---|---|---|---|---|---|---|---|---|
| Invar 36 | 35-38% | ≤0.5% | Balance | ≤0.1% | ≤0.06% | ≤0.35% | ≤1.0% | ≤0.5% | ≤0.02% | ≤0.025% |
Mechanical Properties
Tensile strength: 490MPa to 680MPa
Yield strength: ≥240MPa
Elongation: 25% to 35%
Brinell hardness (annealed): 130 to 180HB
Brinell hardness (cold rolled): 170 to 200HB
Preparation Process & Performance Optimization
The manufacturing process includes batching, smelting, casting, forging, heat treatment and precision machining. Heat treatment significantly impacts performance:
Annealing at 900°C for 2 hours stabilizes expansion coefficient at 1.2×10⁻⁶/°C
Aging treatment (300°C to 400°C) improves hardness and strength
350°C aging for 8 hours reduces expansion coefficient to 1.0×10⁻⁶/°C
Applications
Precision instruments (clocks, optical measuring equipment)
Aerospace components (satellite antennas, connectors)
Electronics industry (substrates, lead frames, shadow masks)
Medical equipment requiring high precision
Liquefied gas storage and transportation equipment
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