ball bearings and roller bearings.It is also used to make knife blades. AISI 440C (1.4125, S44004) Stainless Steel Stainless Steel - Grade 440 (UNS S44000) Introduction What is 440C? AISI 440C is a martensitic chromium stainless steel that offers a good resistance within domestic and industrial environments including fresh water, petroleum based substances, mild acids etc. used to increase the hardness of as-sintered P /M 440C.1) Martensitic stainless steel is magnetic and generally used in applications where hardness and /or wear resistance is required. For that reason this type of steel is frequently used in precision devices. Hardness of this material is increased by 7% when. Typical Mechanical Properties Availability Alloy 440C is available in Bar (Flat, Hexagon, Round, Square), Wire, Billet, Rod. Applications . 440C (UNS designation S44004) is a martensitic 400 series stainless steel, and is the highest carbon content from 400 stainless steel series. *. AISI 440C - Equivalent Materials AISI 440C Steel Stainless Steel Martensitic Stainless Steel Structural Steel View Suppliers ( 67 Equivalent Materials to AISI 440C Download equivalents as an Excel file Some equivalent materials may be stricter whereas others may be outside the bounds of the original material in selected parameters. Pre-heat to 1400 F (760 C), then bring slowly up to 1900-2200 F (1038-1204 C)before proceeding. Balls are provided in the passivated condition. The tempering range 425-600C should be avoided. 440C Stainless Steel is a high moly austenitic grade alloy available in form of Pipe, Tubing, Pipe Fittings, Flanges, Valves, Fasteners, Round Bar & Plates. Essentials of Manufacturing Information, coverage of important developments and expert commentary in manufacturing. SS 440A, 440B and 440C stainless steel are AISI and ASTM commonplace high carbon excessive chromium martensitic stainless-steel, SS440 has high power, good hardness, corrosion resistance, wear resistance and excessive temperature dimensional stability. SS 440 stainless steel properties (physical properties, mechanical properties, magnetic properties) are given in the lists below. 440C stainless steel bar sheet and plate Created Date: 10/5/2022 12:53:51 PM . eFunda: Properties of Stainless Steel AISI Type 440C Desktop Engineering Design, simulation, test, prototyping and high performance computing. They have 85% of their average alloy composition in common. Grade 440C stainless steels are high carbon steels, which attain the highest hardness, wear resistance and strength of all stainless steel grades after heat treatment. AISI 440C STAINLESS STEEL BALLS Martensitic hardened stainless steel balls, they feature remarkable hardness, wear resistance, surface finishing, narrow dimensional tolerances. The AISI 440C steel used for ball screws was melted in a vacuum induction melting furnace followed by refining by electro-slag refining and vacuum arc remelting. These properties make this grade suitable for applications such as valve components and ball bearings. Properties with values for just one material (5, in this case) are not shown. Welding Pre-heat to 150-320C and post-heat at 610-760C. Heat Treatment of SS440 If it must be welded, preheat to 500 F (260 C) and post weld treat at 1350-1400 F (732-760 C) for 6 hours followed by a slow furnace cooling to avoid cracking. AISI 304 stainless contains 18% chromium and 8% nickel. Grade 420 coated welding rods are . After. m 1 g/cm3 = 1 kg/dm3 = 1000 kg/m3 1 GPa = 1 kN/mm2 1 MPa = 1 N/mm2 Mechanical Properties Physical Properties Mechanical Properties SS440 Heat Resistance AISI 440 has good oxidation resistance in intermittent use below 815 C and continuous use up to 760 C in air. Structures in Buildings, bridges, railway stations; Fabrication of pipeline components & Industrial equipment; 440C can be oil quenched to achieve maximum . Mechanical Properties: Properties Conditions : T (C) Treatment: Density (1000 kg/m 3) 7.8: 25 : Poisson's Ratio: 0.27-0.30: 25 : Elastic Modulus (GPa) 200: 25 : Tensile Strength (Mpa) IS 440C stainless steel magnetic? Both AISI 316 stainless steel and AISI 440C stainless steel are iron alloys. It is usually heat treated to reach hardness of 56-58 HRC. 440C Stainless Steel. It has the highest hardness, highest strength and greatest wear resistance of all of them after it has undergone hardening via heat treatment. Applications Typical applications include: Shear Modulus Electrical Resistivity We are professional AISI 440C 440 C Grade 440C SUS 440C SUS440C Grade Forged forging Steel Round Bars Rods Square rectangular rectangle Flat Hex Bars,AISI 440C 440 C Grade 440C SUS 440C SUS440C Forged Forging Steel Hollow Bars Forged Forging Sleeves Bushes Bushing Pipes Piping tubes tubings barrels Casing Cases Shells cylinders hubs housings,AISI 440C 440 C Grade 440C SUS 440C SUS440C Forged . Manufacturing Technology - Ingot. Used to be premium steel, now mainly used in budget and mid range knives. Specifications 440C It is a bearing steel, and used in rolling contact stainless bearings, e.g. Mechanical properties of grade 440C stainless steels Tempering Tensile Yield Strength Elongation (% Hardness Impact . 440C A higher hardened strength or hardness than can be obtained from 420 is needed. For all stock availability contact Sales. Table 1 shows values for AISI 440 stainless steel, which is closest to 440C steel: Table 1: Summary of mechanical properties for 440 . * - Listed as an equivalent or replacement for alloys in this group. Annealed 440C Stainless Steel Hardened 440C Stainless Steel Mechanical Properties Elastic (Young's, Tensile) Modulus 200 GPa 28 x 106 psi Elongation at Break 2.0 to 14 % Fatigue Strength 260 to 840 MPa 38 to 120 x 103 psi Poisson's Ratio 0.28 Shear Modulus 76 GPa 11 x 106 psi Shear Strength 430 to 1120 MPa 63 to 160 x 103 psi AISI 440C Properties * Properties extracted from ASTM A276/A276M Material Specification AISI 440C Characteristics Excellent resistance to chloride pitting and crevice corrosion cracking Immune to Chloride ion stress corrosion Maintains high strength at elevated temperatures Resistant to sea water, in both flowing and stagnant condition This stainless steel is principally used for bearing assemblies including ball bearings and should be considered for needle valves and ball check valves. Property Temperature Value Comment; Elastic modulus. Sub-zero processing is an effective method to enhance the mechanical properties of steel due to the complete removal of residual austenite, and better precipitation of secondary carbides. 440C (AISI) - High carbon stainless steel. The following table exhibits the bodily properties of grade 440C stainless-steel. Grade 440C stainless steel is pre-heated at 760C (1400F). Mechanical. The properties of 440c stainless steel 440c stainless steel is one of four 440 stainless steel types, including 440a, 440b, and 440f. There are 31 material properties with values for both materials. See the chemical composition and physical properties of AISI 440C Annealed, find alternative materials, and connect with suppliers. 7Cr17MoV vs 7Cr17 Stainless Steel. ASTM 440C stainless steelis a high carbon martensitic stainless steel. Temperature can be increased up to 1038-1204C (1900-2200F). 440C (UNS designation S44004) is a martensitic 400 series stainless steel, and is the highest carbon content from 400 stainless steel series. It is important to note that each alloy blend holds its own unique values, and these values fluctuate based on the strengthening treatment. It is then slowly cooled at room temperature and fully annealed. Calculators Forum Magazines Search Members Membership Login . eFunda: Properties of Stainless Steel AISI Type 440C. Molybdenum improves the steel deep hardening and toughness. It is magnetic both in its pre-hardened and post-hardened states. Temperature (C) Strength (MPa) 0.2% Proof SS 440 stainless steel properties (physical properties, mechanical properties, magnetic properties) are given in the lists below. Type 440C (UNS S44004) is a martensitic stainless steel with high carbon and chromium content. This research paper focuses on the influence of shallow and deep cryogenic treatment on the mechanical properties of AISI 440C bearing steel. DIN EN 1.4539, UNS N08904, Uranus B6 and SS2562 grade material are equivalent to AISI 440C After heat treatment, it is capable of attaining the highest strength, hardness and wear resistance of all stainless alloys. AISI 440C Applications. Mechanical Properties; Properties Metric Imperial; Tensile strength: 760-1970 MPa: 110000-286000 psi: Yield strength (@ strain 0.200%) 450-1900 MPa: . 23.0 C. It is usually heat treated to reach hardness of 58-60 HRC.It is a bearing steel, and used in rolling contact stainless bearings, e.g. Its very high carbon content is responsible for these characteristics, which make 440C particularly suited to such applications as ball bearings and valve parts. ASTM 440C Stainless Steel Machinability: Table 1, below, shows some important mechanical properties of 440 steel. Furthermore, the surface morphology of NbC powders is shown in Fig. Cold Working Grade 440C stainless steel is slightly cold workable using common practices. The chemical compositions (wt.%) of the 440C steel powders are as follows: 18.6% Cr, 1.8% C, 1.0% Mo, 0.8% Si, 0.3% V and a balance of Fe. Home. CSN - 17042 *. Especially, the sub-zero processing temperature significantly influences the mechanical properties of steel. 3D Scanners A white paper to assist in the evaluation of 3D scanning hardware solutions. Use similar filler metal and high heat inputs during operations. mechanical properties as indicated in the accompanying table. In the present study, the impacts of shallow and deep sub-zero processing on the microstructure . . Hardness of this material is increased by 7% when subjected to Deep Cryogenic Treatment (DCT); and by 4% for Shallow Cryogenic Treatment (SCT) compared to the Conventional Heat Treatment (CHT). ball bearings and roller bearings. Alias AISI 440C Chemistry Base Element Fe (Iron) Applications Steels are generally 66% heavier than aluminum but specific strength, the. . The refined ingots were homogenized at 1100 C for 12 hrs and hot forged to bars. Annealing Country - United States (US) AISI 440C and equivalent steel knives reviews. 1b. 440C Stainless Steel: Properties, Processing and Application. ASTM 440C stainless steel has good corrosion resistance in mild domestic and industrial environments including fresh water, organic materials, mild acids, and various petroleum products. AISI 440C has 16 to 18% chromium and 0.95 to 1.2% carbon. Hardness, Rockwell C Hardness, Vickers Hardness, Vickers Hardness, Vickers Hardness, Vickers Hardness, Vickers Tensile Strength, Ultimate Tensile Strength, Yield Elongation at Break Modulus of Elasticity Bulk Modulus Poissons Ratio Fracture Toughness, cracks originating in case; case depth 0.30 to 0.35 in. The bars were cut into appropriate sizes and machined into the shape of ball screws. Physical Properties Mechanical Properties SS440 Heat Resistance AISI 440 has good oxidation resistance in intermittent use below 815 C and continuous use up to 760 C in air. This research paper focuses on the influence of shallow and deep cryogenic treatment on the mechanical properties of AISI 440C bearing steel.
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aisi 440c mechanical properties