Aircraft Steel 4140 Normalised

We are leading manufacturer and stockist of Aircraft Steel 4140 Normalised in China.Aircraft Steel 4140 NormalisedTechnical Data SheetAircraft Steel 4140 NormalisedChemical Composition LimitsWeight%CSiMnCrMo4140 Ann0.400.250.851.000.254140 Normalised0.400.250.851.000.25Alloy 4140 (AISI 4140) is a low alloy steel containing Chromium and Molybdenum. Alloy 4140 is the most widely used alloy for oil patch applications. Usually supplied hardened and tempered to condition T in sections up to 100mm with a tensile strength of 850 - 1000MPa and aiming for this strength range in larger sections. Alloy 4140 (AISI 4140) offers a very good balance of strength,Website:, toughness and wear resistance. Other typical applications are axles, conveyor parts, crow bars, gears, logging parts, spindles, shafts, pump shafts, sprockets, studs, pinions, rams, ring gears.Aircraft Steel 4140 Normalised Mechanical PropertiesAlloySection mmYield Strength MPaTensile Strength MPaElongation %Izod JHardness HBAlloy 4140507709301790275Alloy 41401007109201570270Alloy 41402005708501460250Aircraft Steel 4140 Normalised Specifications  AMS 6349  AMS 6382  AMS S 5626  MIL S 5626  AS 1444-1996  UNS G41400  Heat Treatments  4140 Forging:  Heat to 1150°C Hold until uniform. Minimum forging temperature 850°C. Cool slowly in ashes or sand etc.  4140 Annealing:  Heat to 830°C-850°C. Cool in furnace  4140 Normalising:  Heat to 870°C-900°C  Cool in still air  4140 Stress Relieving:  Annealed: Heat to 600°C - 650°C  Hardened: Heat to 500°C - 550°C  4140 Hardening:  Heat to 830°C- 800°C  Quench in oil or polymer  4140 Tempering:  Heat to 450°C-700°C cool in still air  NB Tempering within the range 200°C - 420°C will result in temper brittleness and should be avoidedThe Aircraft Steel 4140 Normalised items which we can manufacture and supply are the followings.  Aircraft Steel 4140 Normalised Rod  Aircraft Steel 4140 Normalised Rings  Aircraft Steel 4140 Normalised Forgings  Aircraft Steel 4140 Normalised pipe  Aircraft Steel 4140 Normalised tube  Aircraft Steel 4140 Normalised bars  Aircraft Steel 4140 Normalised plates  Aircraft Steel 4140 Normalised sheets  Aircraft Steel 4140 Normalised Strip  Aircraft Steel 4140 Normalised wire  Aircraft Steel 4140 Normalised fitting Union  Aircraft Steel 4140 Normalised Pipe Elbows  Aircraft Steel 4140 Normalised PIPE Tee  Aircraft Steel 4140 Normalised ADAPTERS  Aircraft Steel 4140 Normalised pipe bend  Aircraft Steel 4140 Normalised reducers  Aircraft Steel 4140 Normalised fitting caps  Aircraft Steel 4140 Normalised pipe outlets  Aircraft Steel 4140 Normalised Stub Ends  Aircraft Steel 4140 Normalised Couplings  Aircraft Steel 4140 Normalised pipe Nipples  Aircraft Steel 4140 Normalised BUSHINGS  Aircraft Steel 4140 Normalised pipes sockets  Aircraft Steel 4140 Normalised Pipe Gasket  Aircraft Steel 4140 Normalised pipe joints  Aircraft Steel 4140 Normalised pipe Cross  Aircraft Steel 4140 Normalised Pipe Wyes  Aircraft Steel 4140 Normalised seal ring  Aircraft Steel 4140 Normalised Flange  Aircraft Steel 4140 Normalised bolts  Aircraft Steel 4140 Normalised nuts  Aircraft Steel AISI 4140ONE OF THE KIND, MILLIONS OF CHOICES SUPERIOR QUALITY PROMPT DELIVERY FAVORABLE FEEDBACK ALL AVAILABLE IN PESCO SELECT PESCO, YOU WILL BE RIGHTFor more info and price of Aircraft Steel 4140 Normalised, please send us inquiry and you will have quick reply soon.


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