ASTM B111 C71500 Copper Nickel Tubes
What is SB 111 C71500 material?
The SB 111 C71500 material refers to C71500 copper-nickel alloy tubing manufactured under the ASTM SB 111 standard, which specifies requirements for seamless copper-nickel alloy pipes.
ASTM SB 111 Standard
Covers seamless copper-nickel alloy tubes (including C71500) for industrial applications like heat exchangers, condensers, and marine systems.
Corrosion resistance: Requires passing ASTM B117 salt spray tests (1,000+ hours without rusting) for seawater environments.
Mechanical properties: Defines chemical composition, tensile strength, and elongation criteria.
Industrial Use Cases
Heat exchangers: SB 111 C71500 tubes (e.g., 25.4mm×3.4mm) are used in LNG transport vessels and nuclear power plants.
Standards compliance: Meets ASME SB-171 (for pressure vessels) and EEMUA 234 (for marine applications).
Composition
| Element | Cu | Ni | Mn | Fe | Impurities |
|---|---|---|---|---|---|
| % | Bal | 30-32 | 0.5-1.5 | 0.6-1.0 | 0.3 Max |
Typical Mechanical Properties
| Form | Cross sectional area Metric mm |
Yield 0.2% MPa | UTS MPa |
Elong % | Izod (Joules) |
|---|---|---|---|---|---|
| Rod | >180-500 | 120-140 | 330-360 | 34-40 | 54-90 |
| Rod | >500-1230 | 115-135 | 320-350 | 32-38 | 54-85 |
| Rod | >1230 | 110-130 | 310-250 | 30-36 | 54-85 |
| Forgings | All sizes | 110-140 | 310-360 | 30-40 | 54-100 |
Typical Physical Properties
| Metric | Imperial | |
|---|---|---|
| Density | 8950 kg/m³ | 0.325lb/in³ |
| Specific Gravity | 8.95 | |
| Specific Heat | 377J/kg K | 0.09Btu/lb°F |
| Electrical Conductivity | 2.7m/Ω-mm²@20 ºC | 5% IACS |
| Thermal Conductivity | 29.3 W/mK | 17Btuft/ft²hr°F |
| Thermal Linear Expansion | 16 µstain/K Range (20-200 ºC) | 9x 10-6per°F Range (68-572°F) |
| Electrical Resistivity | 0.34 Ωmm²/m | 207Ω(circ mil/ft |
| Relative Magnetic Permeability | 1.0006 µ | |
| Machining Index | 20% (Based on free machining brass 100%) | |
| Modulus of Rigidity (50mm rod annealed) | 57 GPa | |
| Modulus of Elasticity (50mm rod annealed) (In Tension) | 152 GPa | |
| Shear Strength (50mm rod annealed) | 205MPa | |
| Poisson's Ratio | 0.33 | |
| Fatigue Limit in air (rotating)(25mm rod) | 1×107 cycles +/- MPa 154 | |
| Melting Range | 1170-1240 ºC | 2140-2265°F |
| Hot Working | 925-1025ºC (No forging below 850 ºC) | 1695-1875°F |
| Cold Working | good (Anneal 650-850 ºC) | 1200-1560°F |
| Cryogenic | Retains properties down to -269 ºC | -516°F |
| Elevated Temperatures | Retains properties to 350 ºC | 662°F |
Product Specifications for C71500 Copper
| Product Type | Standard | Available Sizes | Typical Applications |
|---|---|---|---|
| Sheets and Plates | ASTM B122 | Thickness: 1mm–50mm, Width: up to 1500mm, Length: up to 3000mm | Condensers, heat exchangers, marine structures |
| Pipes and Tubes | ASTM B466 | Diameter: 6mm–500mm, Length: up to 6m | Seawater cooling systems, hydraulic lines |
| Bars and Rods | ASTM B151 | Diameter: 3mm–200mm | Marine hardware, fasteners |
| Angles and Channels | Custom | Custom sizes available | Structural supports in marine environments |
| Beams | Custom | Custom configurations available | Shipbuilding, power plant frameworks |
| Fittings | Custom | Standard and custom sizes | Plumbing, fluid handling systems |
FAQ
1. Q: How does C71500 differ from brass?
A: C71500 offers superior corrosion resistance and strength but at a higher cost.
2. Q: Is C71500 material welding feasible?
A: Yes, but control heat input and use compatible filler wires.
3. Q: Corrosion resistance in acidic environments?
A: Resists weak acids but avoid strong oxidizing acids (e.g., nitric acid).
Product Forms We Can Provide
| Product Category | Material Standards | Common Alloys | Key Specifications (Can be Customized) |
|---|---|---|---|
| Copper Tubes | ASTM B75, B88, B280,B111; EN 12449, 12451; DIN EN 12735; JIS H3300 | C10100 (OFE), C11000 (ETP), C12200 (DHP), C23000, C70600,C71500 | OD: 3mm - 300mm Wall Thickness: 0.5mm - 20mm Temper: Soft (O), Half-Hard (H50), Hard (H80) Form: Straight Lengths, Coils, U-Bends |
| Copper Sheets / Plates | ASTM B152, B248, B248M; EN 1652; DIN 1787; JIS H3100, H3250 | C10100 (OFE), C11000, C10200 (OF), C26000, C86200 | Thickness: 0.3mm - 100mm Width: Up to 1200mm Length: Up to 3000mm (or coils) Surface: Mill, Polished, Brushed |
| Copper Rods / Bars | ASTM B187, B301, B411; EN 12163, 12164; DIN 17672; JIS H3250 | C10100 (OFE), C11000, C14500, C36000, C63000 | Diameter/Rect. Size: 3mm - 300mm Shape: Round, Square, Hexagonal, Rectangular Condition: Drawn, Extruded, Hot Rolled |
| Copper Wires | ASTM B1, B2, B3, B258; EN 13601; IEC 60228; JIS H3100 | C10100 (OFE), C11000, C14420, C14500 | Diameter: 0.1mm - 20mm Temper: Soft, Annealed, Hard-Drawn Form: Bare, Tinned, Stranded, on Spools |
| Copper Foils / Strips | ASTM B103, B370; EN 1652; DIN 1787; JIS H3100 | C10100 (OFE), C10200, C11000, C19400, C26800 | Thickness: 0.02mm - 2.0mm Width: Up to 600mm Temper: Rolled, Annealed |
| CNC Machining Parts | As per Customer Drawing/Req. | All Common Copper Alloys (including C10100, C11000, C86200, etc.) | Process: Turning, Milling, Drilling, Tapping Tolerance: ±0.005mm - ±0.1mm Post-Processing: Deburring, Polishing, Plating |
Our factory
Our manufacturing facility operates a comprehensive and modern production line, equipped with advanced continuous casting, precision rolling, high-speed drawing, and multi-axis CNC machining centers, enabling us to process copper and copper alloys (such as C10100, C11000, C12200, C71500,C70600 etc.) into a full range of products including tubes, sheets, rods, wires, and foils. To ensure top-tier quality, we have implemented a rigorous in-process and final inspection system, utilizing state-of-the-art equipment such as spectrometers for material verification, digital tensile testers for mechanical property checks, precision dimensional gauges, and eddy current or ultrasonic testers for defect detection, guaranteeing that every product meets or exceeds international standards such as ASTM, EN, and JIS, as well as specific customer requirements.
Pre-shipment inspection
We provide engineering-grade protective packaging for each and every product. Whether it's heavy copper tubes and plates, or precision rods, wires, and ultra-thin foils, we employ multi-layer composite protection: the inner layer uses scratch-resistant PE film and custom padding for physical isolation and cushioning; the middle layer is treated with moisture-proof sealing and includes desiccants; the outer layer utilizes reinforced wooden crates or high-strength waterproof wrapping film, depending on the shape and weight, for stabilization and protection. This ensures that the products withstand moisture, oxidation, and impact during long-distance sea or land transportation, arriving in perfect condition at your site. In terms of delivery, we commit to efficiency and reliability: standard specification products can be prepared and shipped within 7-15 working days, while customized products will also enter production scheduling promptly. We maintain full transparency throughout the process, allowing you to precisely control timelines and ensure your project proceeds as planned.
