1. In ORDER to prevent the occurrence of intergranular erosion due to heating, the welding current should not be too sticky, 20% less than the carbon steel electrode, the arc should not be too long, the interlayer quick cooling to narrow welding pass is appropriate.
2: The hardening property of stainless steel pipe fittings after welding is sticky and prone to crack.  If a typical stainless steel pipe fitting welding must be preheated at more than 300℃ and gently cooled at 700℃ after welding. If the weldment can not be processed after welding, stainless steel pipe electrode should be selected.
3:Stainless steel pipe fitting, in order to improve corrosion resistance and weldability and add appropriate amount of invariant elements Ti, Nb, Mo, etc. Weldability is better than stainless steel pipe fittings.Acceptance of the same as the typical chromium stainless steel electrode, should be more than 200℃ preheating and 800℃ tempering treatment after welding.If the weldment can not be thermal disposal, chromium nickel stainless steel electrode should be selected.
4:Stainless steel pipe welding rod has exquisite corrosion resistance and oxidation resistance, widely used in chemical industry, chemical fertilizer, petroleum, medical machinery manufacturing.
5:Stainless steel fittings have titanium calcium type and low hydrogen type. Titanium calcium type can be used for AC and DC, but the depth of AC welding is shallow, and convenient redness, so it is generally accepted DC power supply.
6:Stainless steel pipe fittings have certain corrosion resistance (oxidizing acid, organic acid, cavitation), heat resistance and wear resistance.Generally used for power station, chemical industry, petroleum, etc.Stainless steel pipe fittings welding is poor, should pay attention to the welding process, thermal disposal before choosing the right electrode.
7:Electrode manipulation should be connected to dry, titanium calcium type should be 150℃ dry for 1 hour, low hydrogen type should be 200-250℃ dry for 1 hour (can not be repeatedly drying, otherwise the drug skin convenient cracking peeling), beware of electrode drug skin sticky oil and other dirt, so as not to add carbon and affect the weld quality.
8. Carbide is precipitated by repeated heating during welding of stainless steel pipe fittings, which reduces corrosion resistance and mechanical function.

1. In ORDER to prevent the occurrence of intergranular erosion due to heating, the welding current should not be too sticky, 20% less than the carbon steel electrode, the arc should not be too long, the interlayer quick cooling to narrow welding pass is appropriate.
2: The hardening property of stainless steel pipe fittings after welding is sticky and prone to crack.  If a typical stainless steel pipe fitting welding must be preheated at more than 300℃ and gently cooled at 700℃ after welding. If the weldment can not be processed after welding, stainless steel pipe electrode should be selected.
3:Stainless steel pipe fitting, in order to improve corrosion resistance and weldability and add appropriate amount of invariant elements Ti, Nb, Mo, etc. Weldability is better than stainless steel pipe fittings.Acceptance of the same as the typical chromium stainless steel electrode, should be more than 200℃ preheating and 800℃ tempering treatment after welding.If the weldment can not be thermal disposal, chromium nickel stainless steel electrode should be selected.
4:Stainless steel pipe welding rod has exquisite corrosion resistance and oxidation resistance, widely used in chemical industry, chemical fertilizer, petroleum, medical machinery manufacturing.
5:Stainless steel fittings have titanium calcium type and low hydrogen type. Titanium calcium type can be used for AC and DC, but the depth of AC welding is shallow, and convenient redness, so it is generally accepted DC power supply.
6:Stainless steel pipe fittings have certain corrosion resistance (oxidizing acid, organic acid, cavitation), heat resistance and wear resistance.Generally used for power station, chemical industry, petroleum, etc.Stainless steel pipe fittings welding is poor, should pay attention to the welding process, thermal disposal before choosing the right electrode.
7:Electrode manipulation should be connected to dry, titanium calcium type should be 150℃ dry for 1 hour, low hydrogen type should be 200-250℃ dry for 1 hour (can not be repeatedly drying, otherwise the drug skin convenient cracking peeling), beware of electrode drug skin sticky oil and other dirt, so as not to add carbon and affect the weld quality.
8. Carbide is precipitated by repeated heating during welding of stainless steel pipe fittings, which reduces corrosion resistance and mechanical function.