Yuhong Group Co.,Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 1000 ton/month |
| Delivery Time | 7 days |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle With Plastic Cap |
| Standard | ASTM B111 |
| Shape | Round Tube |
| Surface | Polished |
| Application | Boiler Pipe, Hydraulic/Automobile Pipe |
| Brand Name | Yuhong |
| Model Number | ASTM B111 C44300 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 1000 ton/month |
| Delivery Time | 7 days | Packaging Details | Ply-wooden Case /Iron Case/ Bundle With Plastic Cap |
| Standard | ASTM B111 | Shape | Round Tube |
| Surface | Polished | Application | Boiler Pipe, Hydraulic/Automobile Pipe |
| Brand Name | Yuhong | Model Number | ASTM B111 C44300 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | China |
| High Light | C44300 Seamless Copper Alloy Tube ，Brass Copper Alloy Tube ，Evaporator Brass Tube | ||
ASME SB111 C44300-O61 Seamless Copper Nickel Brass Tube Cold Finished
C44300 tubes refer to tubes which constitute an alloy of copper and zinc as the main chemicals.
These chemicals enhance the characteristics of the tubes, making them suitable for various applications.
ASTM B111 ASME SB 111 C44300 Admiralty Brass is ideal for heat exchanger tubes. Normally made to order to meet engineering requirements, you will find this alloy often times used in oil and gas applications that also require its non corrosive properties. C44300 and C68700 have good corrosion resistance. C44300 Admiralty Brass Seamless Tubes Tensile strength minimum in 310Mpa, Yield Strength minimum in 105Mpa.
| COUNTRY | STANDARD | NAME |
| ASTM | ASTM B111 | Copper and Copper-Alloy Seamless Condenser Tubes and Ferrule Stock |
| GB/T | GB/T8890 | Seamless Copper Alloy Heat Exchanger Tubes |
| BS | BS2871 | Copper and Copper Alloys Tubes |
| JIS | JIS H3300 | Copper and Copper Alloy-Seamless Pipes and Tubes |
| DIN | DIN1785 | Wrought Copper and Copper Alloy Tubes for Condensers and Heat Exchangers |
ASTM B111 / ASME SB 111 C44300 Admiralty Brass Chemical Composition
| Elements | Composition, % |
| Cu, incl. Ag | 70.0-73.0 |
| Sn | 0.9-1.2 |
| Al | – |
| Ni, incl. Co | |
| Pb | 0.06 max |
| Fe | 0.07 max |
| Zn | Balance |
| Mn | – |
| As | 0.02-0.06 |
| Sb | – |
| P | – |
| Cr | – |
| Other named elements | – |
ASTM B111 / ASME SB 111 C44300 Admiralty Brass Mechanical Properties
| Properties | Measurement |
| Yield strength | 105 MPa |
| Melting point | 899 ~ 938 °C |
| Tensile strength | 310 MPa |
| Thermal conductivity | 109 W/m-K @ 20.0 °C |
| Density | 8.53 g/cc |
| Heat capacity | 0.09 cal/g-°C @ 20ºC |
| CTE linear strength | 20.2 10-6/°C @ 20.0 – 300 °C |
ASTM B111 / ASME SB 111 C44300 Admiralty Brass Physical Properties
| Copper or Copper Alloy UNS No. | Melting Point | Density | Coefficients of Linear Thermal Expansion | Specific Heat Capacity | Thermal Conductivity | |||||
| °C | °F | lb/in3 | g/cm3 | 1×10-6/°C @ 20.0 – 30.0 °C | 1×10-6/°F @ 70.0 – 570 °F | cal/g-°C, 20 °C | BTU/lb-°F @ 70°F | W/m-K, 20 °C | BTU/ft2/ft/h/°F @ 70°F | |
| C44300 | 2140 – 2260 | 2010-2100 | 0.308 | 8.53 | 16.2 | 9 | 0.09 | 0.09 | 29 | 17 |
Application:
Advantage:
1️⃣ Excellent corrosion resistance: C44300-O61 tubes are made from copper nickel brass, which provides exceptional resistance to corrosion in both marine and industrial environments. This makes them suitable for applications where exposure to seawater, brine solutions, or corrosive gases is common.
2️⃣ High strength and durability: Copper nickel brass tubes exhibit good mechanical properties, including high tensile strength and excellent resistance to erosion, vibration, and stress. This makes them capable of withstanding high pressures and mechanical stress, making them suitable for applications in heat exchangers, condensers, and similar systems.
3️⃣ Thermal conductivity: Copper nickel brass has excellent thermal conductivity, making C44300-O61 tubes efficient for heat transfer applications. They can effectively carry heat away from sources and distribute it evenly, making them useful in heat exchangers, cooling systems, and HVAC applications.
4️⃣ Biocompatibility: Copper nickel brass is known for its biocompatibility, meaning it is suitable for use in medical and pharmaceutical industries. It does not cause adverse reactions in contact with human tissues or body fluids, making it ideal for medical gas, water, or refrigeration systems.
5️⃣ Easy to work with: Copper nickel brass tubes are easily fabricated and formed due to their malleability and ductility. They can be bent, rolled, machined, and welded into various configurations and shapes as per specific requirements.
Test:
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9... YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
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