Joes Gone STEEL

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Joes Gone STEEL Co., Ltd. is a company specialized in mild steel plate,shipbuilding steel plate,Boiler steel,Weathering steel plateThe supply capacity per year is about 8,900,000 tons steel plate/coil according to EN10025,EN10028,ASTM A36,ASTM A131, JIS G3101,JIS G3106...

  • Gas cylinder steel plate

    Gas cylinder steel plate

    Gas cylinder steel plate is used in welded gas cylinder and related products. supplies gas cylinder steel with better anti-stress capability. Popular......

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  • Shipbuilding steel plate

    Shipbuilding steel plate

    shipbuilding steel plate suppliers,we supply A,B,D,E,AH32,DH32,EH32,FH32,AH36,DH36,EH36,FH36,AH40,DH40,EH40,FH40 with ABS,DNV,GL ....

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  • Boiler pressure vessel steel

    Boiler pressure vessel steel

    Boiler and pressure vessel grade steel comes in a variety of grades and thicknesses, and are designed to withstand the immense internal ......

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  • Alloy steel Plate

    Alloy steel Plate...

    Alloy steel is steel that is alloyed with a variety of elements in total amounts between 1.0% and 50% by weight to improve its mechanical properties. ...

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  • Q345B steel plate

    Q345B steel plate

    Steel grade Q345B is the most common used as high strength low alloy structural steel in industry area. ...

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  • Q235B steel plate

    Q235B steel plate

    Q235 steel is Chinese structural steel, Q235A Q235B Q235C Q235D material density: 7.85 g/cm3, properties, specification, composition .. ..

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machining 4340 steel

  • Machining 4340 with high speed tool steel

    Dec 15, 2008 · Machining 4340 with high speed tool steel Well not machining but gear shaping 4340. Just wonder how well the tool is going to hold up. We usually do cast iron and some 1045. Jay CandLMachine. 12 14 2008, 12:56 PM #2. matt_isserstedt. View Profile View Forum PostsRead More

  • 4340 steel machinability Home Model Engine Machinist

    Dec 18, 2009 · 4340 isn't bad to machine, it is a little different than mild steel or low carbon. You'll have to adjust your speeds a little, (run slower) but it will give you a nice finish. I have a good bit of 4140 and 4340 pre hardened material and I rather like working with it.Read More

  • SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent

    SAE AISI 4340 Steel (UNS G43400) AISI 4340 steel (UNS G43400) is an ultra high strength medium carbon low alloy steel, which combines deep hardenability, high ductility, toughness and strength, and has high fatigue resistance and creep resistance.Read More

  • Machining and tapping of normalized 4340 Forging

    AThe process of normalizing 4340 steel is almost like hardening since in small parts or bar size it is nearly an air hardening grade. Tempering will soften it sufficiently for most turning operations, but tapping requires a microstructure that encourages shorter chips due to a Read More

  • 4340 INCH Speeds And Feeds

    With HSS drills always use a peck drill cycle; Set your peck depths to a maximum of half your drill diameter ; Example0.250 inch drill diameter pecking at 0.125 depthsRead More

  • Properties & Uses for the 4340 Grades of Steel Sciencing

    Steel of the alloy 4340 can be heat treated (heated to a set temperature for the particular material and then quenched) using an oil quench to increase the alloy's strength. 4340 can also be annealed (heated to a set point and then allowed to cool, which realigns the internal molecular structure to make the metal stronger) which imbues this steel with excellent durability.Read More

  • 4340 Fabrication

    Founded in 2014, 4340 Fabrication specializes in structural steel and miscellaneous metals fabrication with competitive pricing. It is important to us that we maintain a close relationship with our vendors and have the ability to provide expedited services on steel, aluminum, stainless steels, and Read More

  • CNC machining in Alloy steel 4340 3D Hubs

    Alloy steel 4340 (CNC) can be heat treated to high strength, while maintaining good toughness, wear resistance and fatigue strength. Weldable.Read More

  • 4340 Steel 36CrNiMo4 1.6511 EN24 SNCM439 Otai

    AISI 4340 steel is a medium carbon, low alloy steel known for its toughness and strength in relatively large sections. AISI 4340 is also one kind of nickel chromium molybdenum steels. 4340 alloy steel is generally supplied hardened and tempered in the tensile range of 930 1080 Mpa. Pre hardened and tempered 4340 steelsRead More

  • Machinability investigations on hardened AISI 4340 steel

    Ferreira et al. [26] found that the flank wear was highly dominated by cutting speed. Suresh et al. [27, 28] worked on the machining of AISI 4340 steel with a (TiC/TiCN/Al 2 O 3 ) coated tool Read More

  • 4340 Fabrication

    Founded in 2014, 4340 Fabrication specializes in structural steel and miscellaneous metals fabrication with competitive pricing. It is important to us that we maintain a close relationship with our vendors and have the ability to provide expedited services on steel, Read More

  • CNC machining in Alloy steel 4340 3D Hubs

    Alloy steel 4340 (CNC) can be heat treated to high strength, while maintaining good toughness, wear resistance and fatigue strength. Weldable.Read More

  • 4340 Steel 36CrNiMo4 1.6511 EN24 SNCM439 Otai

    AISI 4340 steel is a medium carbon, low alloy steel known for its toughness and strength in relatively large sections. AISI 4340 is also one kind of nickel chromium molybdenum steels. 4340 alloy steel is generally supplied hardened and tempered in the tensile range of 930 1080 Mpa. Pre hardened and tempered 4340 steelsRead More

  • Machinability investigations on hardened AISI 4340 steel

    Ferreira et al. [26] found that the flank wear was highly dominated by cutting speed. Suresh et al. [27, 28] worked on the machining of AISI 4340 steel with a (TiC/TiCN/Al 2 O 3 ) coated tool Read More

  • 4340 ALLOY STEEL AMS 6414 VAR UNSG43406

    4340 VAR AMS 6414 is a low alloy Chromium Nickel Molybdenum steel capable of being heat treated to high strength levels. This specification is for a premium aircraft quality, low alloy steel in the form of bars, forgings, mechanical tubing, and forging stock.Read More

  • Table of Speeds and Feeds USI

    Feeds and Speeds for End Milling using High Speed Steel* tooling. *Multiply the listed speeds by a factor of 2 when using carbide tooling. Feedrate (in/tooth) Cutting Speed (ft/min) End Mill Diameter (in) Material 1/4 1 Roughing Finishing Aluminum 0.003 0.009 600 800 Bronze, medium 0.003 0.007 250 300 Bronze, hard 0.002 0.005 125 150 Cast Iron, soft 0.003 0.008 60 80 Cast Iron, hard 0.002 0 Read More

  • 4340 Steel Equivalent Grade Property Composition

    4340 Steel Heat Treatment. AISI 4340 alloy steel is heat treated at 830°C (1525°F) followed by quenching in oil. Flame or Induction Hardening. As mentioned above, pre hardened and tempered 4340 steel bars or plates can be further surface hardened by either the flame or induction hardening methods resulting in a case hardness in excess of Rc 50.Read More

  • The effect of cutting fluids on the machining of hardened

    Bars of high strength low alloy AISI 4340 steel heat treated to an average hardness of 49 HRC were used as workpiece material. Mixed alumina tools (Al 2 O 3 +TiC) produced by ISCAR, grade IN22 and ISO code CNGA 120408 T02520 were employed on a tool holder code PCLNR2020K 12, which resulted in the following anglesside cutting edge angle r Read More

  • Machinability investigations on hardened AISI 4340 steel

    For machining tests, AISI 4340 steel of 100 mm diameter and 400 mm length of 10 pieces were selected from a single bar (L/D ratio is 1:4) and were then used as work piece materials after being heat treated (hardening and tempering) to a hardness of 48 HRC.Read More

  • AISI 4340 Alloy Steel (UNS G43400) AZoM

    AISI 4340 alloy steel is a heat treatable and low alloy steel containing chromium, nickel and molybdenum. It has high toughness and strength in the heat treated condition. Chemical Composition. The following table shows the chemical composition of AISI 4340 alloy steel.Read More

  • Buy Alloy Steel Round Bar 4340 Online OnlineMetals

    Alloy Steel 4340 Round Bar is normally used for aerospace, heavy duty industrial, and automotive applications. 4340 steel stock has high strength, toughness, wear resistance, and fatigue strength. It can be machined in all states other than hardened and it is easily welded. 4340 round bar/rod stock is available in full size and custom cut lengths.Read More

  • Milling 4340 40BHC Machining, Tools, Cutting & Probing

    Nov 18, 2013 · Need some recommendations for tooling on a new job. We have 28 pcs that we are machining out of 4340, that will be roughed out, then heat treated to 40 Bhc, then finished. The part is shaped like a "U" with 2 legs, kind of like an Omega symbol. The stock is 1.75 x 10" x 20" and the part has 1.25 walls, with the middle pocketed out.Read More

  • Hard turningAISI 4340 high strength low alloy steel and

    The results showed that the cutting forces generated during the machining of AISI 4340 steel are higher with low feed rates and ap, while the increase in Vc improved Ra of the machined part. Read More

  • ALLOY STEEL Distributor 4340 4330 Alloy Metals Co.

    Alloy Metals Co. (AMC), based in California, is a distributor of a variety of alloy steel products. These products are made in the forms of plates, bars, and sheets. As a full line alloy steel Distributor, AMC is a major and leading supplier for commercial as well as aerospace grade alloy Steel products as well as aluminum, nickel alloys, stainless steel, and titanium.Read More

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