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How to know if steel bar is not substandard?

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  • #16
    For all I know, its not in the summer time for there are lots of construction going on
    during this time. Why not get some feed backs from different hardware stores, ask
    around so you will be informed specially during this time of rainy season.
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    HITRONIC 300 Amp DC Inverter IGBT Welder
    YAMATO 300 amp AC Stick Welder
    YAMATO 200 amp DC Inverter IGBT Welder
    DeWALT Chopsaw
    HOBART and ESAB Welding Helmets


    cloned STIHLs

    MS 044 chainsaw
    MS 070 chainsaw

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    • #17
      Actually sir, steel philippines has different kinds and to know if its substandard, you have to know first what type of steel are you going for and for what application. To give you a quick summary:

      Types of steel:
      Stainless Steels - These typically contain anywhere between 10 to 20 percent chromium as the primary alloy element. These steels are utilized for their incredibly high corrosion resistance rates. Stainless steels can further be divided into: Austenitic steel (non-magnetic, non-heat-treatable), Ferritic steel (strengthened by cold working), Martensitic steel (11 to 17 percent chromium, which are typically used as knives and cutting tools)

      Carbon Steels - Carbon steels compose 90 percent of the world’s total steel production. Carbon steel can further be grouped depending on their carbon content: Low Carbon Steel (Mild steel, 0.3 percent carbon), Medium Carbon Steel (0.3 to 0.6 percent carbon), and High Carbon Steel (more than o.6 percent carbon).

      Alloy Steels - For this type of steel, the common alloying elements include: silicon, nickel, titanium, manganese, copper, aluminum, and chromium. These elements vary in terms of proportion in order to adjust the finalized properties of the steel (corrosion resistance, strength, weld ability, ductility, etc.). Alloy steels are commonly applied for auto parts, power generators, motors, pipelines, etc.

      Tool Steels - These steels have quantified variations of tungsten, molybdenum, vanadium, and cobaltin order to increase durability and heat tolerance—ideal for drilling and cutting products. Tool steels can be identified as: Tubular Products (bars, rails, pipes, etc.), Flat Products (plates, sheets, strips), and Other Products (several fittings, valves, flanges, etc.).

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      • #18
        Thanks for sharing and great info siradri11 !!
        CIGWELD Weldskill 250 amp Mig Welder
        AHP Alpha-TIG 200X welder
        HITRONIC 300 Amp DC Inverter IGBT Welder
        YAMATO 300 amp AC Stick Welder
        YAMATO 200 amp DC Inverter IGBT Welder
        DeWALT Chopsaw
        HOBART and ESAB Welding Helmets


        cloned STIHLs

        MS 044 chainsaw
        MS 070 chainsaw

        Comment

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