| 标准： | ASTM A269， A249，A213 | 材料等级： | TP304， TP304L， TP316， TP316L， TP321， TP347H |
|---|---|---|---|
| 类型 | 无缝，焊接 | 外径： | 6-630 毫米 |
| 厚度 | 0.4-30 毫米 | 技术： | 冷拔 |
| 长度 | 6 米或根据需要。 | 完成： | 光亮退火 |
| 形状 | 圆形 | 申请： | Medical，Industry，Decoration，Construction，Ornament |
| 强光 | Heat Exchangers Bright Annealed Tubes， Stainless Steel Bright Annealed Tubes， Stainless Steel Tubes ASTM A269 | ||
ASTM A269， A249， A213 Stainless Steel Bright Annealed Tubes For Heat Exchangers
What is the difference among ASTM A213， A249 and A269?
ASTM A213 standard specifications covers ferritic & austenitic seamless steel boiler tubes and heat exchanger tubes. The process of manufacturing IS seamless process and also made in hot finished & cold finished as per client’s requirements.
ASTM A249 standard specification covers austenitic steel welded boiler tubes， heat exchanger tubes and condenser tubes. It is widely used in boilers， heat exchangers， condensers， and pressure equipments.
ASTM A269 standard specification covers stainless steel seamless and welded tubes for general applications. It is used for general service， like equipments and insdustries and low or high temperature environments.
Our TONG CHUANG GROUP are professional in manufacturing stainless steel bright annealed tubes of ASTM A249， A269， A213 specification. The material grades can be TP304， TP304L， TP316， TP316L， TP317， TP321， TP347H， TP410， etc..We have exported our steel products to more than 70 countries in the past 10 years.
| 标准 | ASTM A213 / A269 / A249 |
| 等级 | TP 304 / TP304L / TP316 / TP316L / TP 321 |
| O.D. | 0.3-50.8mm |
| 厚度 | 0.1-2mm |
| 长度 | 6m Or According To Customer's Request. |
| 表面 | Bright Annealed / Pickled / Polished |
| 结束语 | Plain Ends / Bevel Ends |
材料
| 标准 | 年级 | ||||
| UNS | S31603 | S31600 | S30400 | S30403 | S32100 |
| ASTM/ANSI | TP316L | TP316 | TP304 | TP304L | TP321 |
| EN | 1.4404 | 1.4401 | 1.4301 | 1.4306 | 1.4541 |
| JIS | SUS316L | SUS316 | SUS304 | SUS304L | SUS321 |
| GB | S31603 | S31608 | S30408 | S30403 | S32168 |
化学成分
| 年级 | UNS | C | 锰 | P | S | Si | Cr | 倪 | 莫 |
| SS304 | S30400 | 0.08 | 2 | 0.045 | 0.03 | 1 | 18-20 | 8-11 | – |
| SS304L | S30403 | 0.035 | 2 | 0.045 | 0.03 | 1 | 18-20 | 8-13 | – |
| SS316 | S31600 | 0.08 | 2 | 0.045 | 0.03 | 1 | 16-18 | 11-14 | 2-3 |
| SS316L | S31603 | 0.035 | 2 | 0.045 | 0.03 | 1 | 16-18 | 10-14 | 2-3 |
机械性能
| 材料 | 热量 治疗 | Temperure， Min. | Tensile Strength， Min. | Yield Strength， Min. | Elongation， Min |
| SS304 | 解决方案 | 1900 º F (1040 º C) | 75 Ksi (515 Mpa) | 30 Ksi(205 Mpa) | 35 % |
| SS304L | 70 Ksi (485 Mpa) | 25 Ksi(170 Mpa) | |||
| SS316 | 75 Ksi (515 Mpa) | 30 Ksi(205 Mpa) | |||
| SS316L | 70 Ksi (485 Mpa) | 25 Ksi(170 Mpa) |
应用：
石油工业
食品工业
化学工业
造纸和纸浆厂
化肥工业
Gas and Oil Plants
Pressure and Heat Transmission
Construction and Ornament
Boilers & Heat Exchangers
Medical Equipments
Building Materials
