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Submerged arc welding(SAW) is a method in which the arc is burned under the flux layer to weld.In the welding process,the arc is covered by flux,and the wire feeding and arc movement are automatically controlled by a mechanical device.The process is normal ...
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Electric resistance welding refers to the method of using the resistance heat generated by the current passing through the welding part and the contact place as the heat source to heat up the part locally and pressurize the welding at the same time. API 5L ...
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A105 is American ASTM standard number,”A” stands for common carbon structural steel.ASTM A105 is the most common carbon steel material under ASME/ANSI/API/MSS standard.It’s standard specification for carbon steel forgings for piping appli ...
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