Yuhong Group Co.,Ltd
Yuhong Holding Group Co.,LTD
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Heat Exchanger Tube, ASTM A213 TP304L(UNS S30403) Stainless Steel Seamless U Bend Tube
ASTM A213 TP304L grade covers standard specifications for boilers, heat exchangers, and superheated vessels. The ASTM A213 TP304L Tube is a low-carbon austenitic grade with a superior composition of nickel and chromium, making this tube work well in corrosive and oxidative media. The ASTM A213 TP304L Stainless Steel Tube can work in high-temperature applications for a long time. This tube has excellent surface quality and has very low levels of sensitization in the system.
Stainless Steel U Bend tubes are widely used in heat exchanger systems. Heat exchanger equipments which are on the basis of seamless stainless U tubes are essential in fields like nuclear and petrochemical machine building. Stainless Steel U tube heat exchangers designed for high temperature applications, especially for steam condensing or hot oil systems.
Equivalent Grades:
| Grade | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 304L | 1.4306 / 1.4307 | S30403 | SUS 304L | 304S11 | 03Х18Н11 | Z3CN18‐10 | X2CrNi18-9 / X2CrNi19-11 |
Chemical Composition:
| Element | TP304L, % |
| C | ≤0.035 |
| Mn | ≤2 |
| P | ≤0.045 |
| S | ≤0.03 |
| Si | ≤1 |
| Cr | 18-20 |
| Ni | 8-12 |
Mechanical properties:
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HRB) max | Brinell (HB) max | ||||
| TP304L | 485 | 170 | 35 | 92 | 201 |
Applications:
Chemical Industries
Paper and Pulp Plants
Fertilizers and Pesticides Plants
Boiler and Heat Exchangers
Gas and Oil Industries
Heat Transmission and Pressure Service
Construction and Ornamental
Boilers and Heat Exchangers
Medical Device
Food Industry
Building Materials
Water Treatment Plants