| 无损检测： | 涡流测试，水压测试，超声波测试 | 标准： | ASTM A213 ，ASME SA213， EN10216-5， JIS G 3463， GOST 9941， GOST 9940 |
|---|---|---|---|
| 材料 | TP304 ， SUS304 ， 1.4301 ， 08X18H10 | OD： | 1/2′ (12.7mm)， 5/8′ (15.88mm)， 3/4′(19.05mm)， 1′ (25.4mm)， 1-1/4′ (31.75mm)， 1-1/2′(38.1mm) 1-3/4′(44.45mm)， 2′ (50.8mm)， 2-1/4′ (57.15mm) 2-1/2′ (63.5mm) 3′ (76.2mm)，4′ (101.6mm) |
| 壁厚 | 22BWG ( 0.71mm)， 20BWG (0.89mm)， 18BWG(1.24mm)， 16BWG(1.65mm)， 14BWG(2.11mm)， 12BWG(2.77mm)， 10BWG(3.4mm) | 表面： | 退火 |
| 申请： | Boiler， Heat Exchange， Heating | 钢级： | 300 系列 |
| 强光 | Heat Exchanger Stainless Steel Seamless Tube， Seamless Austenitic Heat Exchanger Tube， TP304 Alloy Steel Heat Exchanger Tube | ||
ASTM A213 TP304 Seamless Austenitic Alloy Steel Boiler，SuperHeater and Heat Exchanger Tube
We are TONG CHUANG Group，one of the biggest manufactures of stainless steel & duplex steel & alloy steel tubes and pipes in China. With development more than 33 years， and sells steel pipes every year more than 80000 tons. we have accumulated a great many clients all around the world and TONG CHUANG products also won the great praise among the customers.
说明
ASTM A213 specification covers seamless ferritic and austenitic steel boiler， superheater， and heat-exchanger tubes. Grades containing the letter H in their designation have requirements different from those of similar grades not containing the letter H. These different requirements provide higher creep-rupture strength than normally achievable in similar grades without these different requirements. The tubes shall be made by the seamless process and shall be either hot finished or cold finished， as specified.
Chemistry Composition
C， % | 锰， % | P， % | S， % | 硅，% | Cr， % | 镍，% |
0.08 最大值 | 最多 2.00 | 0.045 最大值 | 最大 0.030 | 最大 1.00 | 18.0-20.0 | 8.00-11.0 |
机械性能
| 拉伸强度 ，兆帕 | 屈服强度，兆帕 | 延伸， % | 硬度，HB |
| 515 分钟 | 205 分钟 | 35 分钟 | 192 max |
Outside Diameter & Tolerance
| 热轧 | 外径，毫米 | Tolerance， mm |
| OD≤101.6 | +0.4/-0.8 | |
| 101.6＜OD≤190.5 | +0.4/-1.2 | |
| 190.5＜OD≤228.6 | +0.4/-1.6 | |
| 冷拔 | 外径，毫米 | Tolerance， mm |
| OD＜25.4 | ±0.10 | |
| 25.4≤OD≤38.1 | ±0.15 | |
| 38.1＜OD＜50.8 | ±0.20 | |
| 50.8≤OD＜63.5 | ±0.25 | |
| 63.5≤OD＜76.2 | ±0.30 | |
| 76.2≤OD≤101.6 | ±0.38 | |
| 101.6＜OD≤190.5 | +0.38/-0.64 | |
| 190.5＜OD≤228.6 | +0.38/-1.14 |
Wall thickness & Tolerance
热轧 | 外径，毫米 | 公差， % |
体积≤101.6，重量≤2.4 | +40/-0 | |
直径≤101.6， 2.4＜ 重量≤3.8 | +35/-0 | |
直径≤101.6， 3.8＜ 重量≤4.6 | +33/-0 | |
直径≤101.6，重量>4.6 | +28/-0 | |
OD>101.6， 2.4＜WT≤3.8 | +35/-0 | |
OD>101.6， 3.8＜WT≤4.6 | +33/-0 | |
湿度>101.6，重量>4.6 | +28/-0 | |
冷拔 | 外径，毫米 | 公差， % |
外径≤38.1 | +20/-0 | |
OD>38.1 | +22/-0 |
