Carbon Steel Extruded Fin Tube with Aluminium Fins Carbon steel extruded fin tubes combine a steel pressure-bearing tube with an aluminium sleeve mechanically formed into continuous helical fins. This construction increases the external heat-transfer surface for air-cooled heat exchangers while ...

ASTM A335 P22 Alloy Steel Seamless Pipe Boiler Pipe ASTM A335 P22 is a seamless ferritic chromium-molybdenum alloy steel pipe intended for high-temperature service. Grade P22, UNS K21590, contains approximately 1.90-2.60% chromium and 0.87-1.13% molybdenum, providing improved high-temperature ...

304 304L 316 316L 310S 321 Sanitary Seamless Stainless Steel Tube Outer diameter: 6-630mm Thickness: 0.4-30mm Length: fixed or random Shape: Round.square.Rectangle End :PE/Plain Ends, BE/Beveled Ends Technique :cold drawn Application :Chemical industry, Decoration, Building Payment terms L/C T/T (30...

DIN 2391 EN10305-1 St35 St45 St52 E355 galvanizing Hydraulic tubes Application : Hydraulic tubes. Material: St35 St45 St52 E355 Standard : DIN 2391 EN10305-1 Surface treatment: Galvanizing, to protect material from rust. OD : 4- 20mm WT :0.5-10 mm Characteristic: 1.Bright annealing treatment on ...