(1) drug skin types: are not already requires the type of power supply types: does not require the main features: zirconia, rutile and alkaline type in some of the electrode, the new slag system has not yet formed a series of (2) drug skin types: titanium dioxide supply types: DC or AC main features: containing large amounts of titanium dioxide electrode process performance, stable arc, then arc, spatter is small, the penetration shallow, slag coverage good, easy slag detachability, particularly appearance of the weld ripple can be all-position welding, especially appropriate for sheet metal welding, but weld ductility and crack resistance somewhat less. Divided into high titanium potassium type, high-titanium sodium and iron titanium with the amount of potassium, sodium, and iron and other drug skin (3) drug skin types: titanium calcium type of power: DC or AC main features: drug skin containing 30% titanium dioxide, calcium, magnesium carbonate, 20%, the electrode process performance, slag fluidity. penetration in general, arc stability, weld appearance, easy slag detachability, suitable for all welding positions, such as the J422 is guilty of this type is the most widely used carbon steel electrode electrode. (4) the type of drug skin: ilmenite type of power: DC or AC main features: drug skin containing ilmenite 305, electrode melting fast, slag fluidity, penetration deep, easy slag detachability, welding neat waves, stable arc welding, fillet welding process better performance, lesser vertical welding weld the crack resistance (5) drug skin types: iron oxide type of power: DC or AC main features: drug skin with large amounts of iron oxide and more ferromanganese deoxidizer, deep penetration, melting fast, high welding productivity, stable arc then arc welding of overhead position welding is more difficult, splashing slightly larger weld thermal cracking performance is better, apply to plate welding. Arc force, suitable for field operation. If drug skin by adding a certain amount of iron is iron titanium oxide type (6) drug skin types: cellulose type of power: DC or AC main features: drug skin containing more than 15 percent organic matter, about 30% titanium dioxide, good welding performance, stable arc, Arc force, melting deep, slag, slag off. Can be used for vertical down welding, forming welding deep penetration or one-side welding. Li, Yang welding process. Applicable to the welding of the sheet structure, fuel tank, pipeline, vehicle shell. Arc stabilization agent with the drug skin content of the binder, divided into high-cellulose sodium (DCRP), two kinds of high-cellulose potassium (7) drug skin types: the type of power of the low hydrogen potassium type (low hydrogen sodium type): the main features of the DC or AC (DC): drug skin composition of carbonate and fluorite. Electrode before use subject to the 300 ~ 400 â„ƒ baking. Short arc welding process in general, all-position welding. The weld has good crack resistance and mechanical properties of force. Suitable for the welding of welded structures. In accordance with the dose of drug skin in the steady arc, the amount of iron and binder divided into low hydrogen sodium type, low hydrogen potassium type and iron powder low hydrogen type (8) drug skin types: graphite type of power: DC or AC main features: drug skin containing large amounts of graphite, usually cast iron or hardfacing electrode. Low-carbonStainless Steel Welding Electrodescore, poor welding performance, splash more, smoke less slag suitable for flat welding. The use of non-ferrous metal welding core, they can improve their process performance, but the current is not easy too large (9) drug skin types: base type of power: DC main features: drug skin contain large amounts of chloride and fluoride, is mainly used for aluminum and aluminum alloys. Moisture absorption, drying prior to welding. Drug leather low melting point, melting fast. DC power supply, welding process is poor, short arc, slag, corrosive, hot water cleaning is required afterWelding Rod
Stainless steel pipe welding rod applications is extremely wide selection of pipe fittings in stainless steel welding rod, we should note the following aspects:
The same type of chromium stainless steel welding rod should be carried out more than 200 â„ƒ preheat and post weld tempering around 800 â„ƒ.
Weldment heat treatment, you should use stainless steel flange pipe pieces of welding rod.
Stainless steel pipe fitting and appropriate for improving the corrosion resistance and weldability increase the amount of stability of the elements Ti, Nb, Mo, weldability chromium stainless steel flange.
Stainless Steel Electrode has good corrosion resistance and oxidation resistance, widely used in chemical, fertilizer, petroleum, medical machinery manufacturing.
Stainless steel tube welding by repeated heating of carbide precipitation and reduce the corrosion resistance and mechanical properties.
Drug skin of stainless steel pipe titanium calcium and low hydrogen type. Titanium calcium type can be used for AC-DC, AC welding penetration is shallow, and easy to redness, so as far as possible with DC power supply. Diameter of 4.0 and below can be used for all position welding of 5.0 and above for flat butt and fillet weld.
Welding Electrode use should be kept dry, lime-titania type shall be dried at 150 â„ƒ 1 hour, low-hydrogen type should be dried for one hour by 200-250 ° C can not be repeated drying, otherwise the drug leather easy to crack and peel off, prevent electrode drugs leather viscous oil and other dirt, so as to avoid causing the weld to increase the carbon content and impact of welding quality. Stainless steel flange welded poor, should pay attention to the welding process, heat treatment conditions and selection of suitable welding.