TOBO INDUSTRIAL (SHANGHAI) CO., LTD
| Supply Ability | 10Ton/Month |
| Product Name | CuNi 70/30 Seamless Tube C71500 ASME SB111 Oil & Gas Piping Anti-Corrosion Pipe |
| Technics | welding |
| Material | copper nickel |
| Thermal Conductivity | High |
| Materialcomposition | Copper-Nickel Alloy (typically 90/10 or 70/30 Cu/Ni ratio) |
| Delivery Time | 15-30 Workdays |
| Standard | ANSI, DIN, GB, ISO, JIS, Jpi, ASME |
| Surface | bright |
| Payment Terms | T/T, Western Union |
| Thermalconductivity | Good thermal conductivity, approximately 30-40 W/m·K |
| Technical | cold drawn |
| Astm | C70600, C71500 ASTM B111 ASTM B466, B359 |
| Corrosion Resistance | High |
| Standardscompliance | ASTM B111, ASTM B466, ISO 11951 |
| Tubediameterrange | Typically from 6 mm to 100 mm |
| Corrosionresistance | High resistance to seawater and industrial corrosion |
| Meltingpoint | Approximately 1170°C |
| Types | WN SO BL |
| Packaging Details | Standard Shipping Package |
| Model Number | Copper Nickel Tube |
| Brand Name | TOBO |
| Certification | ISO/TUV/SGS |
| Place of Origin | Shanghai,China |
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Product Specification
| Supply Ability | 10Ton/Month | Product Name | CuNi 70/30 Seamless Tube C71500 ASME SB111 Oil & Gas Piping Anti-Corrosion Pipe |
| Technics | welding | Material | copper nickel |
| Thermal Conductivity | High | Materialcomposition | Copper-Nickel Alloy (typically 90/10 or 70/30 Cu/Ni ratio) |
| Delivery Time | 15-30 Workdays | Standard | ANSI, DIN, GB, ISO, JIS, Jpi, ASME |
| Surface | bright | Payment Terms | T/T, Western Union |
| Thermalconductivity | Good thermal conductivity, approximately 30-40 W/m·K | Technical | cold drawn |
| Astm | C70600, C71500 ASTM B111 ASTM B466, B359 | Corrosion Resistance | High |
| Standardscompliance | ASTM B111, ASTM B466, ISO 11951 | Tubediameterrange | Typically from 6 mm to 100 mm |
| Corrosionresistance | High resistance to seawater and industrial corrosion | Meltingpoint | Approximately 1170°C |
| Types | WN SO BL | Packaging Details | Standard Shipping Package |
| Model Number | Copper Nickel Tube | Brand Name | TOBO |
| Certification | ISO/TUV/SGS | Place of Origin | Shanghai,China |
| High Light | CuNi 70/30 seamless tube ，C71500 corrosion-resistant pipe ，ASME SB111 oil gas piping | ||
CuNi 70/30 Seamless Tube C71500 ASME SB111 Oil & Gas Piping Anti-Corrosion Pipe
1.Product Description
Copper-nickel alloy tubes, grades: C70600 (90-10, ~10% Ni) and C71500 (70-30, ~30% Ni)
Fe and Mn additions enhance corrosion resistance; single-phase FCC structure, no embrittlement risk
Available: Seamless (ASTM B466) / Welded (ASTM B467)
Clean oxide-free bore, silver-white finish, precision cold-drawn tolerances
2.Product Applications
Marine/Offshore: Seawater cooling, firewater, ballast lines
Power/Energy: Condensers, feedwater heaters, air-cooler bundles
Desalination: MSF/MED heating sections and evaporator tubes
Oil & Gas: Platform utility piping, riser sheathing
General Industry: Hydraulic tubing, chemical-resistant piping
3.Product Advantages
Corrosion: ≤0.025mm/yr in seawater, self-healing film
Biofouling resistance: Natural biostatic, cleaning intervals extended >60%
Strength/Toughness: Tensile 275~345MPa, Elongation ≥25%
Workability: Weldable, bendable, expandable — no SCC risk
Longevity: 15~25 years design life, 100% recyclable
4.Key Product Specifications
| Parameter | 90-10 (C70600) | 70-30 (C71500) |
| Nickel Ni (%) | 9.0~11.0 | 29.0~33.0 |
| Iron Fe (%) | 1.0~1.8 | 0.4~1.0 |
| Tensile Strength (MPa) | ≥275 | ≥345 |
| Yield Strength (MPa) | ≥105 | ≥140 |
| Elongation (%) | ≥25 | ≥30 |
| Hardness HV | ≈130 | ≈150 |
| Density (g/cm³) | 8.90 | 8.94 |
| Thermal Conductivity (W/m·K) | ≈50 | ≈29 |
| Max Service Temp (°C) | 250 | 300 |
| OD Range (mm) | Φ6~325 | Φ6~325 |
| WT Range (mm) | 1.0~30.0 | 1.0~30.0 |
| Single Length (m) | ≤16 | ≤16 |
| Delivery Condition | Annealed(O) / Light-drawn(H) | Annealed(O) / Light-drawn(H) |
| Recommended Max Velocity (m/s) | ≤4.5 | ≤5.0 |
| Applicable Standards | ASTM B466/B467/B111; DIN 86019; GB/T 8890 | Same |
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.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification：
Verified Supplier
TOBO INDUSTRIAL (SHANGHAI) Co., Ltd. is a professional supplier of pipeline products, located in Shanghai, with convenient transportation and beautiful environment. Dedicated to strict quality control and customer service. Our experienced staff can readily discuss your requirements to ensu... TOBO INDUSTRIAL (SHANGHAI) Co., Ltd. is a professional supplier of pipeline products, located in Shanghai, with convenient transportation and beautiful environment. Dedicated to strict quality control and customer service. Our experienced staff can readily discuss your requirements to ensu...
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