| 标准： | 美国材料试验协会 A213/ASME SA213 | 材料 | T9 |
|---|---|---|---|
| 管道类型： | U-bend Seamless Tube | 申请： | 热交换器，波利埃 |
| 交货条件： | 正常化和温度调节 | 长度 | Custom Size |
| 包装 | 胶合板箱/铁箱 | 磨机测试证书： | EN10204 3.1/EN10204 3.2 |
ASTM A213/ASME SA213 T9 ALLOY STEEL SEAMLESS U BEND HEAT EXCHANGER TUBE
概述：
T9 seamless U bend tubes predominantly consist of iron (Fe) as the base metal， with the addition of chromium (Cr)， molybdenum (Mo)， and other elements such as carbon (C)， manganese (Mn)， and silicon (Si). The specific composition will vary depending on the alloy specifications and manufacturing standards.
T9 seamless U bend tubes exhibit excellent heat resistance， allowing them to withstand high temperatures without deformation or loss of strength. This makes them suitable for applications in industries such as power generation， petrochemicals， and refineries， where high-temperature environments are present.
T9 alloy steel has good creep strength， meaning it can withstand the gradual deformation that occurs under constant applied stress at elevated temperatures. This property makes T9 seamless U bend tubes suitable for applications requiring long-term reliability and resistance to thermal stress， such as heat exchangers and boilers.
规格
| 标准 | ASTM A213 & Its equivalent ASME， DIN & EN Standard |
| 年级 | T9 |
| 类型 | U-ben seamless tube |
| 外径 | 1/4'' 至 1'' 或定制尺寸 |
| 壁厚 | BWG25;BWG22;BWG20;BWG18;BWG16;BWG14;BWG12;BWG10 |
| 长度 | custom cut lengths |
| 交货条件 | 正常化和温度调节 |
| 结束语 | 平端，斜端 |
| 其他测试 | 产品分析， 涡流试验，水压试验，超声波试验， 压平测试、硬度测试、拉伸测试等。 |
| 尺寸 | 所有管材均按照 ASTM 和 ASME 等相关标准进行生产和检验/测试 |
| 包装 | 胶合板箱/捆绑编织袋 |
化学成分
| 等级 | UNS | C | 锰 | P | S | Si | Cr | 莫 |
| T9 | K90941 | 0.15 最大值 | 0.30-0.60 | 最大 0.025 | 最大 0.025 | 0.25-1.00 | 8.0-10.0 | 0.90-1.10 |
机械性能
| 等级 | UNS | 拉伸强度，最小，ksi (MPa) | 屈服强度， 最小， ksi (MPa) | 2 英寸伸长率 或 50 毫米，最小值（%） | 硬度 | |
| 罗克韦尔 | 布氏/维氏 | |||||
| T9 | K90941 | 60(415) | 30(205) | 30 | 89HRB | 179HBW/190HV |
应用：
1. Heat Exchangers: T9 seamless U bend tubes are widely used in heat exchangers for various industries， including power generation， petrochemical， and chemical processing. These tubes facilitate the efficient transfer of heat between hot and cold fluids， making them ideal for applications such as shell-and-tube heat exchangers， condensers， and economizers.
2. Boilers and Superheaters: T9 seamless U bend tubes find application in boilers and superheaters. They are used to generate and superheat steam in power plants and industrial processes that require high-pressure and high-temperature operations. The T9 alloy steel construction provides excellent durability and resistance to creep deformation.
3. Refining and Petrochemical Processes: T9 seamless U bend tubes are employed in the refining and petrochemical industries for applications such as cracking furnaces， reformers， and high-temperature piping systems. These tubes can withstand the corrosive environments and high temperatures associated with these processes， ensuring reliable performance and longevity.
4. Thermal Solar Power Plants: T9 seamless U bend tubes are utilized in thermal solar power plants for the collection and transfer of solar energy. They are incorporated into the receiver tubes of parabolic trough solar collectors， where they absorb solar radiation and transfer it to a working fluid for power generation or other thermal applications.
5. High-Temperature Piping Systems: T9 seamless U bend tubes are suitable for high-temperature piping systems found in various industries， including oil and gas， chemical， and power generation. They can be used for applications such as steam distribution， superheated steam lines， and hot oil circulation systems， where resistance to elevated temperatures and thermal stress is crucial.
