NF A49-34 Erw Precision Steel Tubes CDW / DOM / CEW Tubes Precision Tubes Bicycle Frame Tubes Steel Tubes For Auto
NF A49-341 Steel Tubes Precision Welded Tubes for Mechanical Application
Production method: CDW,DOM,CEW
Application: for Bicycle ,Frame,Automotive
Size: OD6-488mm
Thickness:0.7-8mm
Features:
First: Tensile Strength
Second:Environment Free
Fourth: Accurate Dimensions
Fifth:Corrossion Resistance
Sixth:Superior Strength
NF,Acronym for Association Francaise de Normalisation.France's national standards-setting organization and NF A49 is the main norms for steel pipe.
NF A49-002 Steel tubes and fitting.symbols for use in specifications
NF A49-003 Steel tubes:tolerance system
NF A49-004 Steel tubes:Seamless and welded tubes with circular section and supplies to be welded.General outlay of dimensions.preferential selection
NF A49-005 Seamless and welded steel tubes-General tables of dimension and masses per unit length
NF A49-031 Steel tubes.bending radii.Recommended minimum values for unalloyed steel tubes
NF A49-051 Steel tubes.continuous character marking and color coding for material indentification
NF A49-117 Seamless plain end tubes for pipes-lines and other uses.Ferritic and austenitic stainless steels.Dimensions.Technical delivery conditions
NF A49-141 Steel tubes.welded plain end tubes of commercial quality for general purpose at mean pressure.dimensions .Technical delivery conditions
NF A 49-145 Steel tubes.Hot finished welded tubes suitable for threading.Dimensions.Technical delivery conditions
NF A49-147 /NF A 49-148 Plain end longitudinally welded tubes for pipe lines and general ues.ferritic and austenitic stainless steels.Dimensions.Technical delivery conditions
NF A49-150-1985 Welded tubes intended to be coated or protected for use in water piping system.Dimensions. Technical delivery conditions
NF A49-150-2003 Non alloy steel tubes and fitting for the conveyance of aqueous liquids water for human consumption-Technical delivery conditions
NF A49-151Welded stainless steel tubes for the conveyance of aqueous liquids including water for human consumption-Technical delivery conditions
NF A49-160-1985 Steel tubes.welded tubes for heating panels encased in concrete.dimensions technical delivery conditions
NF A49-189 Steel tubes.Butt welding.night-angled bends,3D,Galvanized .Dimensions.Technical delivery conditions
NF A49-191 Spigot or mixed connections made of steel or cast iron for capillary brazing or braze welding.Dimensions.Technical delivery conditions
NF A49-192 Steel tubes.welded rings,internally threaded,for pressure equipment
NF A49-195 Steel threaded pipe fittings
NF A49-200 Seamless steel tubes for pressure purposes.Technical delivery conditions
NF A49-201 Welded steel tubes for pressure purposes-technical delivery conditions
NF A49-207 Steel Tubes Seamless or Longitudinally Welded Stainless Steel Tubes For Exchangers in Aircraft Construction
NF A49-210 Steel Tubes Seamless Cold Drawn Tubes for Fluid Piping
NF A49-211 Steel Tubes Seamless Plain end Unalloyed Steel Tubes for Fluid Piping at Elevated Temperatures
NF A49-212 Steel Tubes Seamless Unalloyed Steel Tubes for Use At Medium Temperatures
NF A49-213 Steel Tubes Seamless Unalloyed and Mo Crmo Alloy Steel Tubes for Use at High Temperatures
NF A49-214 Steel Tubes Seamless Austenitic Steel Tubes for use at High Temperatures
NF A49-215 Steel Tubes Seamless Tubes For Ferritic NonAlloy And Alloy Heat Exchangers
NF A49-217 Steel Tubes Seamless Tubes for Heat Exchanger
NF A49-218 Steel Pipes Seamless Pipes for Rurnaces Austenitic Stainless Steels
NF A49-230 Steel Tubes Plain end Seamless Tubes for Pressure Vessels and Piping Systems Used at Low Temperatures
NF A49-240 Steel Tubes Longitudinally Butt welding Plain End for Pressure Vessels and Pipe Systems Used at Low Temperature
NF A49-241 Steel Tubes Longitudinally Pressure Welded Tubes D 168.3mmMax in not Alloyed and Low Alloyed at Medium Elevated Temperatures
NF A49-242 Steel Tubes Longitudinally Pressure Welded Tubes D 168.3mmMax in not Alloyed and Low Alloyed at Medium Elevated Temperatures
NF A49-243 Steel Tubes Longitudinally Pressure Welded Tubes D 168.3mm in not Alloyed and Ferritic Alloyed Steels Used at Elevated Temperatures
NF A49-245 Steel Tubes Longitudinally Welded Tubes For Ferric Non Alloy and Alloy Steel Heat Exchangers
NF A49-249 / Steel Tubes Longitudinally Welded Plain End Tubes for Food Industry Austenitic Staniness Steels
NF A49-250 Steel Tubes Welded Plain End Tubes of Commercial Quality with or Without Special Delivery ConditionsD168.3mmMax
NF A49-253 Steel Tubes Longitudinally Fusion Welded Non Alloy and Ferritic Alloy Steel Tubes for use at Elevated Temperatures
NF A49-310 Steel Tubes Seamless Precision Tubes for Mechanical Application
NF A49-311 Steel Tubes Seamless for Mechanical Application
NF A49-312 Steel Tubes Seamless Tubes for Mechanical Application Supplementary Series
NF A49-317 Steel Tubes Seamless Plain end Tubes for Engineering Use Austenitic Stainless Steel
NF A49-321 Steel Tubes Jacks for Hydraulic Transmissions Cold Roled
NF A49-322 Steel Tubes Jacks for Hydraulic Transmissions Cold Rolled or Cold Drawn Seamless Tubes Type Suitable for Grinding in
NF A49-323 Steel Tubes Jacks for Hydraulic Transmissions Clod Rolled or Cold Drawn Seamless Tubes Type Ready for Use
NF A49-326 Steel Tubes Jacks for Pneumatic Transmissions Clod Drawn Seamless Tubes Type Suitable for Grinding in
NF A49-327 Steel Tubes Jacks for Pneumatic Transmissions Cold Drawn Seamless Tubes Type Ready for Use
NF A49-330 Steel Tubes Seamless Cold Drawn Tubes for Hydraulic and Pneumatic Power Systems
NF A49-341 Steel Tubes Precision Welded Tubes for Mechanical Application
NF A49-343 Steel Tubes Longitudinally Welded Tube D 168.3mmMax for Engineering Use
NF A49-400 Longitudinally Electric Resistance Welded Unalloyed Steel Tubes D 17.2Min 406.4mmMax for the Transport of Pressurized Fluids
NF A49-401 Steel Tubes Longitudinally Fusion Welded Non Alloy and Micro Alloy Sttel Tubes for Fluid Transporting Pipes and Pressure Vessels
NF A49-402 Steel Tubes Spiral Fusion Welded Non Alloy and Micro Alloy Steel Tubes for Fluid Transporting Pipes and Pressure Vessels
NF A49-501 Steel Tubes Seamless or Welded Hot Finished Structural Hollow Sections
NF A49-541 Steel Tubes Cold Finished Welded Structural Hollow Sections
NF A49-643 Steel Tubes Round Square and Rectangular Steel Tubes for Ordinary Longitudinally Pressure Welded and Cold Formed From Flat Froducts
NF A49-643 Steel Tubes Round Square and Rectangular Steel Tubes for Ordinary Longitudinally Pressure Welded and Cold Formed From Flat Products
NF A49-645 / NF A49-645/ NF A49-647 /NF A49-647 Steel Tubes. Structural Welded Tubes Circular,Square,Rectangular or Oval in Ferritic or Austenitic Stainless Steel .
NF A49-875 non destructive testing of steel tubes
NF A49-950 stainless steel tubes,dimensions,tolerances and conventional masses per unit length.
