Advanced Alloy, Exceptional Toughness ASTM A333 Low Temperature Steel Pipe NPS 8 × Sch 40

Advanced Alloy, Exceptional Toughness ASTM A333 Low Temperature Steel Pipe NPS 8 × Sch 40

1. Product Description

2. Key Product Parameters

1. Material Standards:
   • Chinese Standard: GB/T 18984-2003 (16MnDG, 10MnDG, 09Mn2VDG, etc.)
   • American Standard: ASTM A333 (Grade 1/3/6/9, etc.)
   • European Standard: EN 10216-4 (P355GH, P355NL1, etc.)
2. Dimensions:
   • Outer Diameter: 10mm-1240mm (custom special sizes available)
   • Wall Thickness: 1mm-50mm (wall thickness grades refer to ASME B36.10M, such as Sch10, Sch40, Sch80, etc.)
   • Length: 6m-12m (fixed length or random length, custom lengths up to 14m supported)
3. Low-Temperature Performance:
   • Minimum Operating Temperature: -196℃ (liquid nitrogen environment)
   • Impact Toughness: Impact energy ≥34J at -40℃ (adjusted according to material grade)
4. Mechanical Properties:
   • Tensile Strength: 400MPa-650MPa
   • Yield Strength: ≥245MPa (varies by material type)
5. Connection Methods: Plain end, threaded end (NPT/API), flange connection, welded end, etc.

3. Product Applications

1. Low-Temperature Storage and Transportation: Pipelines for liquid nitrogen, liquid oxygen, liquefied natural gas (LNG) storage tanks and transportation systems;
2. Energy and Chemical Industry: Low-temperature reactors, refrigerant transmission pipelines, low-temperature separation systems in coal chemical industry;
3. Aerospace Field: Rocket fuel (liquid hydrogen, liquid oxygen) transmission pipelines, low-temperature test equipment;
4. Medical and Scientific Research: Pipelines for low-temperature biological sample storage equipment, cryogenic pipelines in superconducting experimental devices;
5. Shipbuilding Industry: Low-temperature liquid tank connection pipelines for LNG carriers, ship refrigeration systems.

4. Product Advantages

1. Excellent Low-Temperature Toughness: Made of low-temperature special alloy materials, it is not easy to brittle fracture in extreme low temperatures, ensuring pipeline safety;
2. High Strength and Corrosion Resistance: Optimized alloy composition resists corrosion from hydrogen sulfide and carbon dioxide, adapting to complex working conditions;
3. Precise Dimensional Control: Seamless or submerged arc welding processes ensure uniform wall thickness and ovality ≤1%, guaranteeing connection tightness;
4. Wide Adaptability: Compatible with various low-temperature media (liquid nitrogen, liquid oxygen, LNG, etc.) to meet different industry standards;
5. Strong Customization Capability: Supports customization of material, size, connection method, and surface treatment (such as anti-corrosion coating) according to customer needs.

Specification

FAQ

1. Are you trading company or manufacturer ?

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2. How long is your delivery time?

Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

3. Do you provide samples ? is it free or extra ?

Yes, we could offer the sample for free charge but need pay the cost of freight.

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Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.