| 标准： | astm a249， asme sa249 | 材料等级： | TP321， 1.4541， UNS S32100 |
|---|---|---|---|
| 类型 | 焊接 | 厚度 | 0.4-25.4mm |
| 外径： | 6-153mm，Customized | 长度 | 6 Meters Or As Customer’s Request |
| 表面： | 文学士 | 形状 | Round， ‘U’ Shape |
| 结束： | 锥端，平端，螺纹端 | 申请： | Heat Exchanger，Construction，Decoration，oil And Gas，petroleum… |
| 强光 | S32100 Stainless Steel Welded Tube， TP321 Stainless Steel Welded Tube， A249 Stainless Steel Welded Tube | ||
ASTM A249 TP321， 1.4541， UNS S32100 Stainless Steel Welded Tube For Heat Exchanger
ASTM A249 TP321 is a standard specification for welded austenitic stainless steel tubes for high-temperature service. These tubes are commonly used in heat exchangers， boilers， and other high-temperature applications. The TP321 grade of stainless steel is a stabilized austenitic stainless steel with titanium added to prevent carbide precipitation during welding. This grade offers excellent corrosion resistance and high strength at elevated temperatures. The welded tubes manufactured to ASTM A249 TP321 specification are typically used in applications where high temperature and corrosive conditions are present. These tubes are available in various sizes and thicknesses to suit different applications. ASTM A249 TP321 stainless steel welded tubes offer excellent performance in high-temperature environments and are widely used in a variety of industrial applications.
特点
1. 年级 ASTM A249 TP321 stainless steel welded tubes are made from grade 321 stainless steel， which is a stabilized austenitic stainless steel with titanium addition.
2. 耐腐蚀： These tubes offer excellent corrosion resistance in a wide range of corrosive environments， including acidic， alkaline， and chloride-rich environments.
3. High temperature resistance: ASTM A249 TP321 stainless steel welded tubes can withstand high temperatures up to 900°C without losing their mechanical properties.
4. Weldability: These tubes can be easily welded using standard welding techniques， making them suitable for a variety of fabrication processes.
5. 耐用性： ASTM A249 TP321 stainless steel welded tubes have high strength and durability， making them ideal for use in demanding applications such as chemical processing， oil and gas， and power generation.
6. Dimensional accuracy: These tubes are manufactured to precise dimensional tolerances， ensuring a tight fit and leak-proof performance in various applications.
7. Surface finish: ASTM A249 TP321 stainless steel welded tubes are available in a variety of surface finishes， including polished， brushed， and satin finishes， to meet specific application requirements.
8. Compliance: These tubes are manufactured in compliance with ASTM A249 specifications， ensuring quality and consistency in their performance.
等效材料：
| 等级 | UNS 编号 | 老英国 | Euronorm | 瑞典 SS | 日本 JIS | ||
| BS | En | 没有 | 名称 | ||||
| SS321 | S32100 | 321S31 | 58B， 58C | 1.4541 | X6CrNiTi18-10 | 2337 | SUS 321 |
化学成分
| C | SI | 明尼苏达州 | P | S | CR | NI | TI | N |
| 0.08 | 1.00 | 2.00 | 0.045 | 0.030 | 17.0/19.0 | 9.0/12.0 | 5 X C 最小值 - 0.70 最大值 | 0.10 |
机械性能
| 最小拉伸强度（兆帕 | 屈服强度 0.2% 抗压强度（兆帕） min | 伸长率（%，50 毫米）最小值 | 硬度 | |
| 洛氏 B (HR B) 最大值 | 最大布氏硬度 (HB) | |||
| 515 | 205 | 40 | 95 | 217 |
应用：
1. Heat exchangers: ASTM A249 TP321 stainless steel tubes are usually used in heat exchangers because of their excellent corrosion resistance， high temperature resistance， and good durability. They are suitable for both high and low temperature applications.
2. Boiler tubes: These stainless steel tubes are used in boilers for their high temperature resistance and strength. They are able to withstand high pressure and temperature conditions， making them suitable for use in boilers.
3. 化学处理： ASTM A249 TP321 stainless steel tubes are commonly used in chemical processing plants for their resistance to corrosion from harsh chemicals. They are also able to withstand high temperatures and pressure， making them ideal for use in chemical processing applications.
4. 石油和天然气工业： These stainless steel tubes are used in the oil and gas industry for their resistance to corrosion from harsh environments. They are often used in pipelines， refineries， and offshore drilling platforms.
5. 食品和饮料行业： ASTM A249 TP321 stainless steel tubes are also used in the food and beverage industry for their hygienic properties. They are resistant to corrosion and are easy to clean， making them ideal for use in food processing equipment.
6. 制药业： These stainless steel tubes are used in the pharmaceutical industry for their hygienic properties and resistance to corrosion. They are used in the production of pharmaceutical products and in the manufacturing of equipment used in pharmaceutical plants.
