C68700 Copper Tubes For Boiler Tubes
Henan Gnee New Material Co., Ltd. is one of the most professional manufacturers and suppliers of c68700 copper tubes for boiler tubes in China, specialized in providing high quality copper products with competitive price. Welcome to buy discount c68700 copper tubes for boiler tubes for sale here from our factory. Customized orders are welcome.
Mechanical Properties
Condition Tensile strength (MPa) Yield strength (MPa) Elongation (%) Hardness (HB)
Annealed condition 345-415 120-170 ≥35 70-100
Cold worked condition 550-620 450-520 8-15 150-180
Fatigue strength: ≈200 MPa (10⁷ cycles, seawater environment).
Wear resistance: medium, suitable for low friction parts.
Physical Properties
Density: 8.53 g/cm³.
Melting point: 900-940°C.
Thermal conductivity: 110 W/(m-K) (close to 1/3 of pure copper).
Electrical conductivity: 28% IACS (better than most copper alloys).
Coefficient of thermal expansion: 20.5×10-⁶/°C (20-200°C).
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Standard |
JIS, AiSi, ASTM, GB, DIN, EN etc |
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Ourside Diameter |
2 to 800mm |
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Wall Thickness |
0.1mm to 60mm |
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Length |
1meter to 6meter or according to client's request |
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Hardness |
1/16 hard,1/8 hard,3/8 hard,1/4 hard,1/2hard,full hard,soft,etc |
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OEM Service |
Perforated, Cutting special size, Doing flatness, Surface treatment,etc |
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Delivery Time |
Within 3 days for our stock size,15-20days for our production |
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Application |
Industrial Manufacturing and Mechanical Manufacturing: Automotive, aviation, electronics, medical and other industries, as cooling equipment.
Medical Devices: Copper coils are popular for their efficient cooling system. |
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Package |
Export standard package: bundled wooden box, suit for all kinds of transport,or be required |
Advantages of C68700 seamless copper tube in boiler tube
Corrosion resistance: C68700 brass tube shows excellent corrosion resistance in environments containing salts or acids, which makes it ideal for heat exchanger piping in boiler systems, and can effectively resist the erosion of water vapor and chemical media.
High strength and stability: Due to its high mechanical strength and shape stability at high temperatures, C68700 copper tubes can withstand pressure changes and temperature fluctuations during boiler operation, ensuring the long-term reliable operation of the system.
FAQ
Q: How about the MOQ? If my first order qty is small, will you accept?
A: We would like to do our best to support your trial order qty, so even 1 pc or 1 kg is ok to start cooperation; because we have confidence to move on second order with your esteemed company.
Q: What is your payment terms ?
A: Commonly two payment term for new customers: 1) 30% T/T as deposit , 70% balance against B/L copy; 2) 100% Irrevocable L/C at sight;If you need any other terms, pls feel free to contact us too, we will try our best.
Q: How long is your delivery time?
A: Our daily inventory is more than 8000 tons, so for common product size, just need 5 days from stocks; if the special size from new production, delivery 7 days.
Q: How about the samples ? is it free or extra fees?
A: Yes, we would like to supply the samples before order; if the samples from stock, it will be free; if the samples from new
production, we will charge some reasonable cost, but this amount will be deducted from your first order invoice.
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