Precision Seamless CuNi 70/30 Pipe ASME SB111 C70600 High Pressure Tube

Place of Origin Shanghai,China
Brand Name TOBO
Certification ISO/TUV/SGS
Model Number Copper Nickel Pipe
Minimum Order Quantity 1PC
Price Negotiable
Packaging Details Standard Shipping Package
Delivery Time 15-30 Workdays
Payment Terms T/T, Western Union
Supply Ability 10Ton/Month
Product Details
Product Name Precision Seamless CuNi 70/30 Pipe ASME SB111 C70600 High Pressure Tube Length 6 Meters Standard, Custom Lengths Available
Ductility Good Productname Copper Nickel Pipe
Thermalconductivity Approximately 29 W/m·K Heat Treatability Good
Pressure 300/600/900 Service OEM&ODM
Application Structure Pipe,Oil Pipe,Gas Pipe,Bridge Usages Construction Decoration
Size 2 Inch Feature Excellent Resistance To Dry Fluorine
Material 90/10 Copper Nickel Alloy C70600 Customized Support OEM, ODM, OBM
Applications Marine Engineering, Desalination Plants, Heat Exchangers, Offshore Oil And Gas Tensile Strength High
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Precision seamless CuNi 70/30 pipe

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High pressure copper nickel tube

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ASME SB111 C70600 pipe

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Product Description

Precision Seamless CuNi 70/30 Pipe ASME SB111 C70600 High Pressure Tube
 
1.Product Description

Copper-nickel pipe is a wrought non-ferrous tube produced from vacuum-melted, deoxidized alloy. The material is characterized by its single-phase solid solution structure, which provides a unique combination of mechanical strength and ductility. The pipe is manufactured by piercing and cold drawing (seamless type) or by continuous welding with post-weld heat treatment (welded type). Both types meet international pressure vessel codes. A distinctive feature of this pipe is its ability to withstand impingement attack from flowing seawater containing sand or other suspended solids.

 

2.Product  Advantages

  • Superior resistance to hydrogen embrittlement – Can be used in wet H₂S environments up to 50 ppm without cracking.

  • Excellent low-temperature toughness – Impact strength remains high down to -250°C (no ductile-to-brittle transition).

  • Resistance to chlorine dioxide – Suitable for paper mill bleach plants (unlike stainless steel).

  • Non-sparking property – Safe for use in explosive atmospheres (ATEX Zone 1 and 2).

  • Low maintenance requirement – Oxide layer eliminates need for internal coating or cathodic protection.

3.Product Applications

  • Liquefied gas transfer – LNG and LPG loading arms (cryogenic service down to -196°C after impact testing).

  • Firewater systems on FPSO vessels – Deck ring main and hydrant risers.

  • Heat recovery steam generators – Low-pressure evaporator tube bundles.

  • Marine condensers – Seawater side tubing in naval vessels (low magnetic signature).

  • Offshore wind farms – Internal cooling circuits for turbine converters.

  • Dockside potable water lines – NSF/ANSI 61 certified (for 90/10 alloy only).

Precision Seamless CuNi 70/30 Pipe ASME SB111 C70600 High Pressure Tube 0

​4.Key Product Parameters

Parameter 90/10 Cu-Ni (C70600) 70/30 Cu-Ni (C71500)
Nickel content 9.0 – 11.0% 29.0 – 33.0%
Iron content 1.0 – 1.8% 0.4 – 1.0%
Manganese content 1.0% max 1.0% max
Carbon content 0.05% max 0.05% max
Lead content 0.02% max 0.02% max
OD tolerance (seamless) ±0.1 mm for OD ≤ 50 mm ±0.1 mm
WT tolerance ±10% of nominal ±10% of nominal
Straightness 1.0 mm per 3 m length 0.8 mm per 3 m length
Thermal conductivity (at 20°C) 45 W/m·K 29 W/m·K
Coefficient of thermal expansion 17.0 × 10⁻⁶ /K 16.2 × 10⁻⁶ /K


FAQ
1. Are you trading company or manufacturer ? We are manufacturer ,You can see the certification.

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.

4. What is your terms of payment ? Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.