Changzhou Joyruns Steel Tube CO.,LTD
| Payment Terms | L/C, T/T |
| Supply Ability | 1500Tons/Month |
| Delivery Time | 20days |
| Packaging Details | wooden box packing |
| Standard | ASTM B111, DIN1785,JIS H3300,BS 2871 CZ110 |
| Material | C68700/CuZn20AL2 |
| OD Size | 6mm to 89mm |
| WT | 0.7mm to 3mm |
| Length | 12m |
| Type Of Productis | Seamless Tube, Welded Tube , Copper Fin Tube |
| Brand Name | Joyruns |
| Model Number | 15.88mm*1mm |
| Certification | ISO9001 |
| Place of Origin | Changzhou |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 1500Tons/Month |
| Delivery Time | 20days | Packaging Details | wooden box packing |
| Standard | ASTM B111, DIN1785,JIS H3300,BS 2871 CZ110 | Material | C68700/CuZn20AL2 |
| OD Size | 6mm to 89mm | WT | 0.7mm to 3mm |
| Length | 12m | Type Of Productis | Seamless Tube, Welded Tube , Copper Fin Tube |
| Brand Name | Joyruns | Model Number | 15.88mm*1mm |
| Certification | ISO9001 | Place of Origin | Changzhou |
| High Light | EN 12451 Aluminium Brass Tubes ，0.7mm Aluminium Brass Tubes ，CuZn20AL2 | ||
EN 12451 CuZn20AL2 Copper and Copper Alloys Seamless Round Tubes for Heat Exchangers
Aluminum Brass tubes – CuZn20AL2/C68700 - resists the action of high-velocity salt and brackish water and are commonly used for condenser tubes. The main characteristic of CuZn20AL2/C68700 is its high resistance to impingement attack. Tubes of these alloys are recommended for use in Marine and Land Power Stations, in which cooling water velocities are high.
The aluminium brass tubes are basically a combination of high strength as well as general corrosion resistance with low susceptibility having stress corrosion cracking, making it a highly preferred material for different types of applications. The tubes can also be used in hard drawn conditions and can be heat treated which in turn ensures freedom from the stress corrosion cracking.
| Standard Grade | ASTM B 111 C68700 | EN 12451 CuZn20Al2As | DIN 17660/1785 CuZn20Al2 | BS 2871 CZ 110 | JIS H3300 C6870 | GB/T8890 HAL77-2 |
| Cu | 76.0-79.0 | 76.0-79.0 | 76.0-79.0 | 76.0-78.0 | 76.0-79.0 | 76-79 |
| Al | 1.8-2.5 | 1.8-2.3 | 1.8-2.3 | 1.8-2.3 | 1.8-2.5 | 1.8-2.5 |
| Fe | 0.06 max | 0.07 max | 0.07 max | 0.06 max | 0.06 max | 0.06 max |
| Pb | 0.07 max | 0.05 max | 0.07 max | 0.07 max | 0.07 max | 0.03 max |
| Zn | Bal. | Bal. | Bal. | Bal. | Bal. | Bal. |
| As | 0.02-0.10 | 0.02-0.06 | 0.02-0.035 | 0.02-0.06 | 0.02-0.06 | 0.03-0.06 |
| P | - | 0.01 max | 0.01 max | - | - | 0.02 max |
| Mn | - | 0.1 max | 0.1 max | - | - | - |
| Total impurities | - | 0.3 max | 0.1 max | 0.3 max | - | 0.3 max |
|
Condition | O61 | R390 | F39 | M | O | M |
| - | R340 | F34 | TA | - | Y2 | |
| - | - | O | - | - | ||
| Yield Strength N/mm2 | 125 min | 150 min | 150-230 | - | - | - |
| - | 120 min | 120-180 | - | - | - | |
| - | - | - | - | - | - | |
| Tensile Strength N/mm2 | 345 min. | 390 min | - | - | 373 min | 370 min |
| - | 340 min | - | - | - | 350 min | |
| - | - | - | - | - | - | |
| Elongation (%) | - | 45 min | 45 min | - | 40 min | 40 min |
| - | 55 min | 55 min | - | - | 50 min | |
| - | - | - | - | - | - | |
| Hardness Hv5 | - | - | - | 150 min | - | - |
| - | - | - | 85-110 | - | - | |
| - | - | - | 75 max | - | - | |
|
Typical use
|
Most used copper alloy for heat exchanger tubes application. | |||||
| Weight Formula |
Average Wall: (OD-WT) x WT x 0,0265 = Kg/m (all sizes in mm) | |||||
Packing
Company Details
Business Type:
Manufacturer,Agent,Exporter,Seller
Year Established:
2000
Total Annual:
10000000-20000000
Employee Number:
150~300
Ecer Certification：
Verified Supplier
Changzhou Joyruns Steel Tube Co., Ltd specializes in the export of steel pipes for 20 years. We have been a leading supplier of high-quality steel pipes of carbon, alloy, nickel material & copper, which is one of the most professional Bundy and stainless steel pipe manufactur... Changzhou Joyruns Steel Tube Co., Ltd specializes in the export of steel pipes for 20 years. We have been a leading supplier of high-quality steel pipes of carbon, alloy, nickel material & copper, which is one of the most professional Bundy and stainless steel pipe manufactur...
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