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FAQ

What does "free cleaning" wire mean?

Clean wire is the flux is efficient, after welding, very little residue

What type of welding wire should be used to weld cast iron parts with carbon dioxide gas shielded welding?

Cast iron with high carbon content and impurity, and has low plasticity, poor weldability, sensitive to the cooling rate after welding characteristics, prone to white tissue and cracks, should pay attention to the process, preheating before welding, after welding heat, eliminate stress, otherwise easy to crackGray iron:Z208, Z248: grey cast iron electrode, semi thermal welding, thermal welding, welding without preheat, defects of large stiffness parts easy to crackZ308: pure nickel cast iron electrode, arc welding, good crack resistanceZ508: copper nickel cast iron electrode, arc welding, weld shrinkage, easy to crack, but hammer effect, can prevent crackingZ112, Z100: Iron and steel core cast iron electrode, welding, easy to produce hot crack and peelingZ116, Z117: high vanadium electrode for high strength gray cast iron, welding, better crack resistanceZ607, Z612: copper steel welding rod, welding, good crack resistance and multilayer welding produce blowholeSpheroidal graphite cast iron:Z258: ductile iron electrode, preheating weldingZ238SnCu: nodular cast iron welding rod, preheating welding, non preheating welding, heat treatment after weldingZ238F: ductile iron electrode, usually without preheating welding, suitable for lower strength nodular cast ironZ238: ductile iron electrode, usually without preheating welding, good crack resistanceZ408, Z438: nickel cast iron electrode, arc welding, good crack resistanceZ408A: copper nickel cast iron electrode, arc welding, good crack resistanceVermicular graphite cast iron:Z288: vermicular cast iron welding, arc welding, better crack resistanceZ358: pure nickel vermicular cast iron welding, arc welding, good crack resistanceWhite cast iron:BT-1: white cast iron bottom electrode, arc cold welding, good crack resistance, shall be equipped with a special processBT-2: white iron layer electrode, arc welding, good crack resistance, shall be equipped with a special process

3003 what welding wire for aluminum plate?

3003 aluminum belong to Al Mn Aluminum Alloy, if you used for welding aluminum plate was 3003, and the application in the general situation, not withstanding high temperature and high pressure or high corrosion and high stress conditions, can choose SALMn or SALMg - 3 type aluminum wire, SALMn wire is recommended. In some occasions, can also be used SALMg1, SALMg2 wire, or they can be processed at the anode after improvement of color matching, and can improve the ductility of the welds, or can improve the weld strength, type 1 is suitable for use in continuous under high temperature.If you still need welding reference parameters, please contact me again, but you can try it yourself. This will deepen the impression and improve the welding technology of aluminum plate.

High strength steel HC700/980MS, I have tried the ER76-G wire, but the tensile parts are broken in the heat affected zone, tensile strength of more than 700, please consult

This welding experiment has been done with Baosteel profiles. Mainly control the welding parameters, welding materials using ER120S-G. If you have any questions, you can talk about it privately. QQ397308237

Is there a welding wire for gas shielded welding of stainless steel? What brands do you have?

Having such a welding wire.For example, AT-Y316L, is the Aetna 316L stainless steel CO2 gas shielded flux cored wire.308309309L has flux cored wire.I guess you'd like to ask about the flux cored wire. The upstairs are talking about argon arc welding wires.Argon arc welding wire is the beginning of ER.

Is the ER50-6 good solder wire?

The correct welding line expression is: ER50-6, should meet the national standard GB|T8110 requirements, is a good welding wire.

What gas welding flux cored wire?

Flux cored wire must be welded with carbon dioxide, because flux cored wire is divided into four types: self protection, gas protection, gas self protection and other forms of protection. The self shielded welding wire is protected by the chemical reaction of the powder at high temperature to produce gas and slag, and this type of welding wire can be welded without additional protective gas.Flux cored wire is not equal to the combined gas and slag protection, does not apply to the field or windy conditions. However, the flux cored wire for welding pool melting than solid wire. Because solid wire components often encounter the phenomenon of uneven, resulting in stomatal flux cored wire. But this phenomenon does not exist. Stomatal probability is reduced. Other theories on the cored wire is better than the mechanical properties of weld solid wire. But the flux cored wire manufacturer quality uneven in quality by using flux cored wire, need to take more risk.Flux cored wire production is to reduce the cost and not caused by the chemical composition of welding wire is mainly silicon manganese content fluctuation. So whenever possible. Do not use flux cored wire

What is the difference between 321 wire welding and 304 wire welding?

A thick difference of 0.3