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Aws Em12k Em12 H08mna Submerged Arc Welding Wire

Categories Submerged Arc Welding Wire
Place of Origin: China
Brand Name: NOACH--wleding wire,MIG wire
Certification: BV COC SANCOP ISO CE CIQ AWS
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    Aws Em12k Em12 H08mna Submerged Arc Welding Wire

    Aws Em12k Em12 H08mna Submerged Arc Welding Wire


    Product Details

    Basic Info.

    Model NO.:EM12K
    Flux Containing:Not Containing Flux
    Type:Rolling Wire
    Material:H08A
    Product Name:Submerged Arc Welding Wire Em12k
    Size:2.0-5.0mm
    Item:Aws F7a2-Em12k EL12,etc
    GB:F5a2-H08A
    Tensile Strength Mpa:560
    Yield Strength Mpa:480
    Elongation:30
    Delivery Detail:15 Days
    Application:Mainly Used for Welding Low Alloy Steel

    Product Description

    Submerged Arc Welding Wire EM12K

    Excellent Welding Perfomance:
    Can get good mechanical seam with corresponding flux ; high fusion / depositing efficiency , stable welding quality , works / manipulates smoothly etc.


    1.Product name: Submerged Arc Welding Wire EM12K

    2. Diameter: 2.0-5.0mm

    3.Item: AWS F7A2-EM12K EL12,etc

    Features:

    • Smooth finish

    • High tensile strength

    • Durability

    Application:
    Mainly used for submerged arc automatic welding of low alloy steel, low-alloy-steel boiler,pressure container,etc

    Wire Compositions:

    Conformance

    C %

    Mn %

    Si %

    S % (max)

    P % (max)

    Mo%

    AWS 5.17 EL8

    0.10 max

    0.25 – 0.60

    0.07 max

    0.030

    0.030

    -

    AWS 5.17 EM12K

    0.05 - 0.15

    0.80 - 1.25

    0.10 – 0.35

    0.030

    0.030

    -

    AWS 5.17 EH14

    0.10 - 0.20

    1.70 - 2.20

    0.10 max

    0.030

    0.030

    -

    AWS 5.23 EA2

    0.05 - 0.17

    0.95 - 1.35

    0.20 max

    0.025

    0.025

    0.45 - 0.65

    Standard Sizes:

    mm

    1.6

    2.0

    2.4

    3.2

    4.0

    4.8

    Inches

    0.062

    0.078

    0.094

    0.125

    0.156

    0.188


    Standard Packing:

    · Coil: 25 Kg, 35 Kg

    · Steel Bobbin: 200 Kg, 250 Kg

    · Drum Pack: 250 Kg, 700 Kg, 800 Kg

    The submerged arc welding with hot wire addition is a new welding process with high quality, high efficiency and low energy consumption.

    Submerged arc welding (SAW) is a common arc welding process. The first patent on the submerged-arc welding (SAW) process was taken out in 1935 and covered an electric arc beneath a bed of granulated flux. Originally developed and patented by Jones, Kennedy and Rothermund, the process requires a continuously fed consumable solid or tubular (metal cored) electrode.[1] The molten weld and the arc zone are protected from atmospheric contamination by being "submerged" under a blanket of granular fusible flux consisting of lime, silica, manganese oxide, calcium fluoride, and other compounds. When molten, the flux becomes conductive, and provides a current path between the electrode and the work. This thick layer of flux completely covers the molten metal thus preventing spatter and sparks as well as suppressing the intense ultraviolet radiation and fumes that are a part of the shielded metal arc welding (SMAW) process.

    SAW is normally operated in the automatic or mechanized mode, however, semi-automatic (hand-held) SAW guns with pressurized or gravity flux feed delivery are available. The process is normally limited to the flat or horizontal-fillet welding positions (although horizontal groove position welds have been done with a special arrangement to support the flux). Deposition rates approaching 45 kg/h (100 lb/h) have been reported — this compares to ~5 kg/h (10 lb/h) (max) for shielded metal arc welding. Although currents ranging from 300 to 2000 A are commonly utilized,[2]currents of up to 5000 A have also been used (multiple arcs).

    Single or multiple (2 to 5) electrode wire variations of the process exist. SAW strip-cladding utilizes a flat strip electrode (e.g. 60 mm wide x 0.5 mm thick). DC or AC power can be used, and combinations of DC and AC are common on multiple electrode systems. Constant voltage welding power supplies are most commonly used; however, constant current systems in combination with a voltage sensing wire-feeder are available.

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