TOBO INDUSTRIAL (SHANGHAI) CO., LTD
| Application | Marine & Offshore / Oil & Gas / Desalination |
| Material | CuNi 70/30 Copper Nickel Alloy (UNS C71500) |
| Face Type | Raised Face (RF) / Flat Face (FF) / RTJ |
| Standard | ASME B16.5 Class 150 |
| Connection Type | Socket Welding (SW) |
| Surface Finish | Mill Finish / Anti-rust Oil |
| Size Range | 1/2" - 24" (DN15 - DN600) |
| Product name | 70/30 Copper Nickel Alloy Flange |
| Delivery Time | 15-30 workdays |
| Supply Ability | 10Ton/Month |
| Packaging Details | Standard Shipping Package |
| Payment Terms | T/T, Western Union |
| Process | Forged |
| Certification | ISO/TUV/SGS |
| Brand Name | TOBO |
| Model Number | Copper Nickel Flange |
| Place of Origin | Shanghai,China |
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Product Specification
| Application | Marine & Offshore / Oil & Gas / Desalination | Material | CuNi 70/30 Copper Nickel Alloy (UNS C71500) |
| Face Type | Raised Face (RF) / Flat Face (FF) / RTJ | Standard | ASME B16.5 Class 150 |
| Connection Type | Socket Welding (SW) | Surface Finish | Mill Finish / Anti-rust Oil |
| Size Range | 1/2" - 24" (DN15 - DN600) | Product name | 70/30 Copper Nickel Alloy Flange |
| Delivery Time | 15-30 workdays | Supply Ability | 10Ton/Month |
| Packaging Details | Standard Shipping Package | Payment Terms | T/T, Western Union |
| Process | Forged | Certification | ISO/TUV/SGS |
| Brand Name | TOBO | Model Number | Copper Nickel Flange |
| Place of Origin | Shanghai,China | ||
| High Light | ASME B16.5 CuNi 70/30 flange ，Copper Nickel Socket Weld Flange ，Marine Grade Class 150 flange | ||
1. Product Description:The ASME B16.5 CuNi 70/30 Forged Socket Welding Flange is a premium piping component manufactured from copper-nickel 70/30 alloy (UNS C71500). This flange features a socket bore design where the pipe end is inserted and fillet welded both inside and outside, creating a strong, permanent, and leak-proof joint. Fully compliant with ASME B16.5 Class 150 standards and manufactured through advanced forging processes, it delivers superior strength, dimensional accuracy, and reliability in demanding marine and industrial environments.
2. Key Specifications:
| Parameter | Specification |
|---|---|
| Material Grade | CuNi 70/30 (UNS C71500) |
| Standard | ASME B16.5 Class 150 |
| Flange Type | Socket Welding / Forged |
| Size Range | 1/2" - 24" (DN15 - DN600) |
| Face Type | RF / FF / RTJ |
| Tensile Strength | ≥380 MPa (55 ksi) |
| Density | 8.94 g/cm³ |
| Working Temp | Up to 204°C (400°F) |
Advantages: Superior seawater corrosion resistance, anti-biofouling, high strength-to-weight ratio, excellent weldability, and long service life with minimal maintenance. Forged construction ensures superior grain structure and mechanical properties.
Functions: Securely connects pipes, valves, pumps and equipment; provides pressure containment; enables easy system disassembly for inspection and maintenance.
6. Instructions & Precautions:
Installation: Clean socket and pipe end; insert pipe to socket shoulder; apply fillet welding using ERCuNi filler; use compatible gaskets; torque bolts evenly in cross-pattern sequence; conduct pressure test before service.
Precautions: Ensure material compatibility to avoid galvanic corrosion; control welding temperature; store in dry environment; handle carefully to protect sealing surfaces.
7-11. Shipping / Payment / Packaging / After-Sales
| Item | Details |
|---|---|
| Shipping | 15-30 working days; by sea/air/courier; full documents provided |
| Payment | T/T 30% deposit + 70% balance; L/C at sight; Western Union |
| Packaging | Wooden cases / plywood boxes / pallets; anti-rust protection |
| After-Sales | 12-month warranty; free replacement for defects; 24h technical support |
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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