347 steel pipes and stainless tubes
Stainless steel 347 is a variant of the basic 18/8 austenitic grade 304 with added columbium - the introduction of columbium stabilizes the steel and eliminates carbide precipitation which subsequently causes intergranular corrosion.
Steel has excellent forming and welding qualities and excellent hardness even at cryogenic temperatures.
Advantages of 347 stainless steel
Higher stress and drag break properties compared to 304
Ideal for high temperature service
Overcomes sensitization and intergranular corrosion concerns
Can be used in elevated temperature uses for ASME boiler and reactor vessel code uses
Due to the stabilization the material offers better resistance to total corrosion when compared to 304/304L
Excellent mechanical properties
A high carbon version (347H) is also available
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