Stainless Steel Weld Fittings

  Stainless steel electrode is a type of welding rod coated with stainless steel. Can be divided into chrome stainless steel electrode and chrome-nickel stainless steel electrode, widely used in chemical, fertilizer, petroleum, medical machinery manufacturing and other industries.

  Mainly manual welding (MMA), followed by metal gas shielded welding (MIG/MAG) and tungsten inert gas shielded welding (TIG).

  1. Preparation before welding

  The thickness of 4mm is not required to be broken, directly welded, and single-sided one-time penetration. 4 to 6 mm thickness butt welds can be double-sided welded without breaking joints. 6 mm or more, generally open V or U, X-shaped groove. Secondly, the weldment and the filler wire are degreased and descaled. To ensure the quality of welding.

  2. welding parameters

  Including welding current, tungsten diameter, arc length, arc voltage, welding speed, protective airflow, nozzle diameter, etc.

  (1) Welding current is a key factor in determining weld formation. Usually determined by the weldment material, thickness, and groove shape. (2) The diameter of the welding pole is determined according to the welding current. The larger the current, the larger the diameter. (3) Welding arc and arc film, the arc length ranges from about 0.5 to 3 mm, and the corresponding arc voltage is 8 to 10V. (4) Welding speed: The selection should take into account the current magnitude, the material sensitivity of the weldment, the welding position and the operation mode.

  Manual welding (MMA)

  Manual soldering is a very common and easy to use soldering method. The length of the arc is adjusted by the human hand and is determined by the size of the gap between the electrode and the workpiece. At the same time, when used as an arc carrier, the electrode is also a weld filler material. This welding method is simple and can be used to weld almost any material.

  MIG/MAG welding

  This is an automatic gas shielded arc welding method. In this method, the arc is stably heated between the current carrier wire and the workpiece under the shielding of the shielding gas, and the wire fed by the machine acts as an electrode and melts under its own arc.

  TIG welding

  The arc is generated between the refractory tungsten welding wire and the workpiece. The commonly used shielding gas is pure argon. The supplied welding wire is not charged, and can be sent by hand or mechanically, and some special applications do not need to be sent. Into the wire.

  Finally: the weldment, the filler wire is degreased and descaled. To ensure the quality of welding.

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