korean
원래 장소:
중국
브랜드 이름:
YUHONG
인증:
ISO 9001/TUV/PED
모델 번호:
ASTM A213 TP321
ASME SA213 TP321 Austenite Seamless Heat Exchanger Tube Adaptable Heat Exchange Equipment
ASTM A213 TP321 is a seamless austenitic stainless steel tube stabilized with titanium.
Its core design goal is similar to TP347H, which can solve the "sensitization" problem of austenitic stainless steel and improve its resistance to intergranular corrosion when operating in the high-temperature range (450-850°C).
| Chemical Composition ASTM A213 TP321 |
|
| Element | Composition, % (by weight) |
| Carbon (C) | 0.08 max |
| Manganese (Mn) | 2.00 max |
| Phosphorus (P) | 0.040 max |
| Sulfur (S) | 0.030 max |
| Silicon (Si) | 0.75 max |
| Chromium (Cr) | 17.00 - 20.00 |
| Nickel (Ni) | 9.00 - 13.00 |
| Titanium (Ti) | 5 x C% min, 0.70 max |
| Iron (Fe) | Balance |
| Mechanical Properties ASTM A213 TP321 | |
| Property | Requirement |
| Tensile Strength | 515 MPa (75 ksi) min |
| Yield Strength (0.2% offset) | 205 MPa (30 ksi) min |
| Elongation in 2 in. (50 mm) | 35% min |
Applications:
Specific tube sections of low-temperature superheaters and reheaters.
Economizer hanger tubes, connecting pipes, and other components operating at relatively low temperatures.
Heat exchange tubes at moderate temperatures in atmospheric and vacuum distillation units and catalytic cracking units.
Heat exchange modules in steam generators and waste heat boilers where temperatures do not exceed 600°C.
Superheater tubes in steam boilers.
Clean steam systems in the food and pharmaceutical industries.
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