347H austenitic stainless hot-strength steel, with good corrosion resistance, welding performance and thermal strength. 347H stainless steel is used in large boiler superheaters, reheaters, steam pipes, and petrochemical heat exchanger pipe fittings.
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347H stainless steel has good corrosion resistance, welding performance and thermal strength.
347H austenitic stainless hot-strength steel, with good corrosion resistance, welding performance and thermal strength. 347H stainless steel is used in large boiler superheaters, reheaters, steam pipes, and petrochemical heat exchanger pipe fittings.
Chemical composition
Grade | C(%) | Mn(%) | Si(%) | Cr(%) | Ni(%) | P(%) | S(%) | Nb(%) |
347H | 0.04~0.10 | ≤2.00 | ≤0.75 | 17.0~19.0 | 9.0~13.0 | ≤0.045 | ≤0.03 | (8C~1.00) |
Basic Features
(1) Has high high temperature strength and high temperature plasticity
(2) has excellent oxidation resistance and corrosion resistance
(3) has good tissue stability
(4) Uniform chemical composition
(5) has good processing performance and welding performance
(6) Higher dimensional accuracy and surface quality