Gas Metal Arc Welding of Stainless Steel.pdf


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This training program was written to give you a better understanding of the MIG welding process. MIG is an acronym for Metal Inert Gas, which is not technically correct for stainless steels because shielding gases for these materials contain an active gas such as oxygen or carbon dioxide. The correct term according to the American Welding Society (AWS) is Gas Metal Arc Welding (GMAW).

Contents:

  • Introduction
  • Base Metals
    • A. Alloying Elements
    • B. Stainless Steels [ Ferritic Alloys ~ Austenitic Alloys ~ Martensitic Alloys ~ Precipitation Hardening Alloys ~ Duplex Stainless Steels ]
  • Electrical Characteristics
    • A. Constant Voltage Power Supply Basics
    • B. Constant Voltage Power Supply Settings
    • C. Electrical Stick-Out
    • D. Constant Voltage Power Supply Characteristics [ Slope ~ Inductance ~ Heat Input ]
  • Shielding Gases
    • A. Shielding Gas Functions
    • B. Flow Rates
    • C. Gas Losses
  • Electrodes
    • A. Filler Metal Alloying Additions
    • B. Wire Designations and Chemistries
    • C. Solidification of the Weld Puddle
  • Metal Transfer
    • A. Short-Arc
    • B. Globular Transfer
    • C. Spray Transfer
    • D. Pulsed Spray Transfer
  • Welding Stainless Steels
  • Technique and Equipment Set-Up
    • A. Torch Angle
    • B. Feed Roll Tension
    • C. Burnback
    • D. Arc and Puddle Position
    • E. Vertical Down Welding
    • F. Gaps
    • G. Crater Filling
    • H. Arc Starting
  • Weld Discontinuities and Problems
    • A. Lack of Fusion
    • B. Porosity
    • C. Burn-Through
    • D. Undercut
    • E. Spatter
    • F. Cracking
    • G. Sensitization of Alloying Elements


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Comments

5 Responses to “Gas Metal Arc Welding of Stainless Steel.pdf”

  1. mohamed on August 30th, 2008 6:10 pm

    we wants the latest developments in the steel industry , global indicators,statical figures,top producers,top consumers,industry growth rate

  2. umashankar gupta on October 26th, 2008 2:22 pm

    we are manufacturing field of stainless steel wire.

  3. sibananda on December 28th, 2008 10:24 pm

    hi,
    please specify details about welding rod consumption in wt.(smaw)

  4. Dikel on April 28th, 2009 11:36 am

    Want more Book for metal work learning

  5. mansyur on June 12th, 2010 7:37 pm

    i want more book for heat exchanger

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