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

MainGrade: TP304/TP304L/TP304H, TP316T/P316L/TP316Ti/TP316LN, TP317/TP317L, TP321/TP321H, TP347/TP347H, TP310S , UNS S31803/UNS S32205, etc.

Size Range:

Φ12.7~38.1X0.8~2.77mm