Tp347h Seamless Stainless Steel Pipe

TP347H is an austenitic, niobium-stabilized, chromium-nickel alloy for use at temperature up to 850A C, so this material grade owns the followingcharacteristic:
a Goodresistance to oxidation at high temperature
a Very good intergranular corrosion resistance
a Excellent salt corrosion-resistant
a High impact strength
a Good weldability

TP347H is a hot-strength steel grade and has verygoodresistance to oxidation at high temperature. Besides, it also owns good intergranular corrosion resistance and good corrosion resistance to hydrogen sulphide.


Meanwhile, TP347H also has the organic acid resistance and could be used under the caustic environment at the moderate temperature.


This material has the following typical application:
Pipe used as superheater tube in steam power plant
Pipe used in the steam pipeline
Pipe used as furnace tube in refinery plant
Pipe used in the heat exchanger of the petrochemical industry
Pipe used as the gas exhaust pipe
Pipe used as cooling tube in ammonia converter equipment
Pipe used under the salt condition, such as sulphate, sulphide and sulphite