Yuhong Group Co.,Ltd
| Payment Terms | L/C, T/T |
| Delivery Time | 7days |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Product Name | Copper Alloy Seamless Tube |
| Standard | ASTM B111 / ASME SB111 |
| Material | C44300 , C68700, C71500 , C70600, C12200, etc. |
| OD | 1/4" , 3/8", 1/2", 5/8", 3/4", 1", 1.1/4", etc. |
| WT | 10 - 25 BWG |
| Length | Single Random, Double Random & Cut Length |
| End | Plain End, Beveled End |
| Temper | soft annealed,special tempers on request |
| Application | Heat Exchangers, Refineries, Power Plants, Desalination Plants, Ship Building & Ship Repairs, Condensers, Ferrules, Distillers |
| High Light | ASTM B111 UNS C44300 Brass Seamless Tube, Copper Alloy Heat Exchanger Tube |
| Brand Name | YUHONG |
| Model Number | ASTM B111 UNS C44300 Brass Seamless Tube |
| Certification | ABS, BV, DNV-GL , PED, TUV, LR, KR, NK, CCS. |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T | Delivery Time | 7days |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap | Product Name | Copper Alloy Seamless Tube |
| Standard | ASTM B111 / ASME SB111 | Material | C44300 , C68700, C71500 , C70600, C12200, etc. |
| OD | 1/4" , 3/8", 1/2", 5/8", 3/4", 1", 1.1/4", etc. | WT | 10 - 25 BWG |
| Length | Single Random, Double Random & Cut Length | End | Plain End, Beveled End |
| Temper | soft annealed,special tempers on request | Application | Heat Exchangers, Refineries, Power Plants, Desalination Plants, Ship Building & Ship Repairs, Condensers, Ferrules, Distillers |
| High Light | ASTM B111 UNS C44300 Brass Seamless Tube, Copper Alloy Heat Exchanger Tube | Brand Name | YUHONG |
| Model Number | ASTM B111 UNS C44300 Brass Seamless Tube | Certification | ABS, BV, DNV-GL , PED, TUV, LR, KR, NK, CCS. |
| Place of Origin | CHINA | ||
| High Light | Brass Condenser Tube ，SB111 Heat Exchanger Tube ，Plain Ends Condenser Tube | ||
ASTM B111 UNS C44300 Admiralty Brass Tube Seamless Heat Exchanger Tube
ASTM B111 C44300 seamless tubes are generally used in marine environments due to their excellent resistance to corrosion. C44300 is a type of admiralty brass, which is known for its high corrosion resistance in seawater. These tubes are often used in condensers, heat exchangers, and similar applications where resistance to corrosion is crucial.
ASTM B111 UNS C44300 Brass Tubes 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 UNS C44300 Brass Tubes 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 |
Brass Seamless Tubes Equivalent Material
| Grade | USA | U.K | Germany | Japan |
| China BG | ASTM B111 | BS 2871 | DIN 1785 | JIS H3300 |
| HAL77-2 | C68700 | CZ110 | CuZn20Al2As | C6870 |
| HSn70-1 | C44300 | CZ111 | CuZn28Sn1As | C4430 |
| H68A | - | CZ126 | - | - |
| H65A / H63 | C28000 / C27200 | CZ108 | CuZn26/CuZn37 | C2800/C2700 |
| Material Designation | Corresponding Material Symbol | ||||
| GB/T8890 | ASTM B111 | BS2871 | JIS H3300 | DIN 1785 | |
| Copper-Nickel | BFe10-1-1 | C70600 Pipe | CN102 | C7060 | CuNi10Fe1Mn |
| BFe30-1-1 | C71500 Pipe | CN107 | C7150 | CuNi30Mn1Fe | |
| (BFe30-2-2) | C71640 | CN108 | C7164 | CuNi30Fe2Mn2 | |
| (BFe5-1.5-0.5) | C70400 | – | – | – | |
| B7 | – | – | – | – | |
| Aluminium Brass | HAL77-2 | C68700 Tube | CZ110 | C6870 | CuZn20Al2 |
| Admiralty Brass | HSn70-1 | C44300 Tube | CZ111 | C4430 | CuZn28Sn1 |
| Boric Brass | Hsn70-18 | – | – | – | – |
| HSn70-1 AB | – | – | – | – | |
| Arsenical Brass | H68A | – | CZ126 | – | – |
| Brass Tubes | H65/H63 | C28000/C27200 | CZ108 | C2800/C2700 | CuZn36/CuZn37 |
ASTM B111 / ASME SB111 C44300 brass tube 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 |
Applications
Brass tube are widely used in air-conditioning and refrigeration field service, heat exchange use, connecting tubes, distribution, fire protection, solar, natural gas, liquefied petroleum gas, vent piping.
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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