U-Tubing uses in heat transferring pipeline of heat-exchanger, superheater, feed water heater and radiator, it has wide applications in petrol, chemical, thermal power generation and nuclear power industry. U-Tubing in FENGHUA, with wide size range, common austenitic stainless steel such as 304/304L316/316L321347 and so on, the Min. Bend radius R≥1. 5D; for duplex stainless steel such as UNS S31500UNS S31803UNS S32205 and so on, the Min. Bend radius R≥2. 0D. (Note: D is nominal diameter of stainless steel pipes & tubes)
Straight Tube Production Specifications:
GB 13296-2007 Specification for seamless stainless steel boiler, heat-exchanger tubes
ASTM A213/213M Specification for seamless ferritic and austenitic alloy-steel boiler, superheater, and heat-exchanger tubes
U-bending Production Specifications
ASTM A688/688M Specification for welded austenitic stainless steel feedwater heater tubes
Main Grade: TP304TP304LTP304HTP316 TP316L TP316TiTP316LN TP317TP317LTP321TP321HTP347 TP347HTP310S UNS S31803UNS S32205, etc.
Size Range:
φ12. 7~38. 1X0. 8~2. 77mm