Corrosion Resistant 4j36 Capillary Tube Invar Alloy Round Thin Wall Tube Size Customized
Price:
Price is negotiated based on the required specifications and quantity
MOQ:
100KG
Delivery Time:
5-8 working days, depending on the parameters required for negotiation
Brand:
Zhonggong Special Metallurgy
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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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Jiangsu Zhonggongte Metallurgical Technology Co., Ltd.
Location
New South Stainless Steel Trading Market, Fangcheng Avenue, Wuxi City, Jiangsu Province, 12-101.
Contact Person
John zhou