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ASME SA213 TP347H Seamless Stainless Steel Boiler Tube For Petrochemical Industry
TP347H is a niobium-containing Cr-Ni austenitic stainless steel with good high-temperature strength and organizational stability. It has excellent oxidation resistance and soothing reaction properties. In addition, the material has good bending and welding properties, making it suitable for a wide range of applications in a variety of complex working conditions.
Chemical Composition:
Grade | C | Cr | Ni | Mn | Si | P | S | Nb+Ta |
TP347H | 0.04-0.10% | 17.0-19.0% | 9.0-13.0% | 2.0% max | 0.75% max | 0.045% max | 0.030% max | 8xC-1.00% max |
Mechanical Properties:
Grade | Tensile Strength | Yield Strength | Elongation | Hardness |
TP347H | Minimum 515 MPa (75 ksi) | Minimum 205 MPa (30 ksi) | 20% minimum in 50 mm | ≤ 220 HB (Brinell Hardness) |
Key Features:
Applications:
1. Petrochemical Industry
2. Marine Applications
3. Oil and Gas Industry