| 类型 | Round， Seamless | 无损检测： | HT/ECT |
|---|---|---|---|
| TPI： | SGS/BV…… | 申请： | Condeser/Cooler |
| 强光 | C68700 Copper Alloy Steel Seamless Tube， Air Cooler Copper Alloy Steel Tube， ASTM B111 Steel Seamless Tube | ||
ASTM B111 / ASME SB111 C68700 Aluminum Brass Copper Alloy Tube
To produce the most efficient Heat Exchanger for each application， we combine the most appropriate thermal and mechanical design solutions with most durable materials and the highest standards of welding and construction techniques.
As one of the biggest projects pipeline products supplier in China， 同创集团 can supply a wide range of C68700 tubes in different specifications like ASTM B111. This specification establishes the requirements for ferrule stock and a seamless tube of copper alloys of a specified range of diameters.
UNS C68700 has especially good corrosion resistance properties in sea water. C44300 and C68700 tube have good corrosion resistance. C68700 annealed in O61 Temper. Tensile strength minimum in 345Mpa， Yield Strength minimum in 125Mpa.
C68700 Tube density in 8.33g/cm3， 0.301lb/in.3
Typical Application of C68700 Aluminum Brass "Arsenical"
1. Industrial: Condenser Tube， Evaporator Tubes， Ferrules， Distiller Tubes， Heat Exchanger Tubes
2. C68700 aluminium brass tubes are widely used in “Seawater desalting plants”
| 国家 | 标准 | 姓名 |
| 美国材料与试验协会 | ASTM B111 | 铜和铜合金无缝冷凝器管及卡套管材 |
| GB/T | GB/T8890 | 无缝铜合金热交换器管材 |
| BS | BS 2871 CZ110 | 铜和铜合金管材 |
| JIS | JIS H3300 | 铜及铜合金和铜管 |
| DIN 标准 | DIN1785 标准 | 用于冷凝器和热交换器的锻铜和铜合金管材 |
| 化学成分% | |||||||||||||
UNS No. |
铜A |
锡 |
Al | 镍，包括钴 |
铅，最大值 |
铁 |
锌 |
锰。 |
砷 |
锑 |
磷 |
Chro | 其他 |
| C10200 | 99.95 分钟 | – | – | – | – | – | – | – | – | – | – | – | – |
| C12000 | 99.90 分钟 | – | – | – | – | – | – | – | – | – | 0.004-0.012 | – | – |
| C12200 | 99.9 分钟 | – | – | – | – | – | – | – | – | – | 0.015-0.040 | – | – |
| C14200 | 99.40 分钟 | – | – | – | – | – | – | – | 0.15-0.50 | – | 0.015-0.040 | – | – |
| C19200 | 98.7 分钟 | – | – | – | – | 0.8-1.2 | – | – | 0.15-0.50 | – | 0.01-0.04 | – | – |
| C23000 | 84.0-86.0 | – | – | – | 0.05 | 0.05 最大值 | 留置 | – | – | – | – | – | – |
| C28000 | 59.0-63.0 | – | – | – | 0.30 | 0.07 最大值 | 余留 | – | – | – | – | – | – |
| C44300 | 70.0-73.0 | 0.9-1.2 | – | – | 0.07 | 0.06 最大值 | 余留 | – | 0.02-0.06 | – | – | – | – |
| C44400 | 70.0-73.0 | 0.9-1.2 | – | – | 0.07 | 0.06 最大值 | 余留 | – | – | 0.02-0.10 | – | – | – |
| C44500 | 70.0-73.0 | 0.9-1.2 | – | – | 0.07 | 0.06 最大值 | 余留 | – | – | – | 0.02-0.10 | – | – |
| C60800 | 余留 | – | 5.0-6.5 | – | 0.10 | 最大 0.10 | – | – | 0.02-0.35 | – | – | – | – |
| C68700 | 76.0-79.0 | – | 1.8-2.5 | – | 0.07 | 0.06 最大值 | 余留 | – | 0.02-0.10 | – | – | – | – |
| C70400 | 余留 | – | 4.8-6.2 | 0.05 | 1.3-1.7 | 1.0 最大值 | 0.30-0.8 | – | – | – | – | – | |
| C70600 | 余留 | – | 9.0-11.0 | 0.05B | 1.0-1.8 | 1.0 最大值B | 1.0 最大值 | – | – | B | – | B | |
| C71000 | 余留 | – | 19.0-23.0 | 0.05B | 0.50-1.0 | 1.0 最大值B | 1.0 最大值 | – | – | B | – | B | |
| C71500 | 余留 | – | 29.0-33.0 | 0.05B | 0.40-1.0 | 1.0 最大值B | 1.0 最大值 | – | – | B | – | B | |
| C71640 | 余留 | – | 29.0-32.0 | 0.05B | 1.7-2.3 | 1.0 最大值B | 1.5-2.5 | – | – | B | – | B | |
| C72200 | 余留 | – | 15.0-18.0 | 0.05B | 0.50-1.0 | 1.0 最大值B | 1.0 最大值 | – | – | B | 0.30 -0.70 | B | |
ASTM B111 C68700 Mechanical Properties
| 铜或铜合金 UNS 编号 | 温度名称 | 退火温度， °C | 拉伸强度，最小屈服强度，最小 | 屈服强度，最小值 | HV | |||
| 代码 | 表面 | Ksi | Mpa | Ksi | Mpa | |||
| C68700 | O61 | 退火 | 高于 650 | 50 | 345 | 18 | 125 | 150 |
| 铜或铜合金 UNS NO. | 说明 |
| C44300 | Admiralty Metals， B， C， and D |
| C68700 | Aluminum Brass， B |
| C70600 | 90-10 Copper-Nickel |
| C71500 | 70-30 Copper-Nickel |
ASTM B111 C68700 tube is widely used in the surface condenser， heat exchanger， and evaporators. They offer high strength， excellent corrosion resistance， and good creep resistance at elevated temperatures.
材料测试
- 面积拉伸等机械测试
- 硬度测试
- 化学分析 - 光谱分析
- 阳性材料鉴定 - PMI 测试
- 扁平化测试
- 微观和宏观测试
- 抗点蚀试验
- 扩口试验
- 晶间腐蚀 (IGC) 试验
