Welding wire classification

Rolling class

Most of the welding wire belong to this kind, including carbon steel wire, low alloy structure steel wire, alloy structure steel wire, stainless steel wire and non-ferrous metal wire, etc..

Common welding wire:

SKD11 > 0.5 ~ 3.2mm HRC 56 ~ 58 welding repair cold steel, metal stamping die, cutting mold, tool, a shaping die and workpiece hardfacing manufacture with high hardness, wear resistance and high toughness argon welding rod, welding before preheated; otherwise, it is easy to produce cracks.

63 degrees knife edge wire > 0.5 ~ 3.2mm HRC 63 ~ 55, mainly used in welding broach die, hot high hardness of mould, hot forging die, hot die, die screws, abrasion resistance of hardfacing, high speed steel, knife edge repair.

SKD61 > 0.5 ~ 3.2mm HRC 40 ~ 43 welding zinc and aluminum die casting die, with good heat resistance and cracking, hot stamping, hot forging die for aluminum and copper, aluminum die-casting, good heat resistance, wear resistance, cracking resistance. General hot die often tortoise shell crack like that most copies by thermal stress caused by, caused by corrosion of surface oxidation or die casting materials, heat treatment transferred to the appropriate hardness improve its life, the hardness is too low or too high are not applicable.

70N > 0.1 ~ 4.0mm wire properties and uses: high hardness steel bonding, zinc aluminum die-casting die cracking, weld reconstruction, iron / iron welding. Direct surfacing of cast iron / materials, also do the mold cracked welded, cast iron welding, try to put a low current, short distance of arc welding, steel part of the preheating, welding heating and cooling slowly. 60E> 0.5 ~ 4.0mm characteristic and use: special welding joint of high tensile steel, hardfacing production base, welding cracking. High strength wire containing high nickel chromium alloy composition. It is specially used for the anti cracking bottom welding, filled with the bottoming, strong tension, and repair welding of steel after cracking phenomenon. Tensile strength: 760 N/mm2 elongation rate: 26%

> 8407-H13 0.5 ~ 3.2mm HRC 43 ~ 46 of zinc, aluminum, tin and other non-ferrous alloy and copper alloy die casting die and used for hot forging or stamping die. With high toughness and good wear resistance and thermal ablation, high-temperature softening, anti high temperature fatigue of good, welding hot punch, reamer, rolling cutter, cut slot knife, scissors... Etc. the heat treatment, the need to prevent decarburization, hot tool steel after welding, the hardness is too high prone to rupture.

Anti - burst wire > 0.5 ~ 2.4mm primer HB ~ 300 high hardness steel bonded hard production base, the welding crack. High strength wire containing high nickel chromium alloy composition for anti cracking bottom welding, filling backing, strong tension, and repair of steel crack welding reconstruction.

718 > 0.5 ~ HRC 3.2mm 28 ~ 30 large household electrical appliances, toys, communications, electronics, sports equipment, such as plastic products, mold steel. Plastic injection mold, heat resistance, corrosion resistance, cutting resistance, good corrosion resistance, good surface gloss after grinding, long service life. Preheat temperature of 250 ~ 300 C after the thermal temperature of 400~500 degrees Celsius, for multi-layer welding repair, the use of back welding repair, less prone to poor integration and other defects.

738 > 0.5 ~ HRC 3.2mm 32 ~ 35 semi transparent and need to have a surface gloss of plastic products, mold steel, large-scale mold, the product of complex shape and high precision plastic mold steel. Plastic injection molding, heat resistance, corrosion resistance, good corrosion resistance, with excellent processing performance, easy cutting and polishing and corrosion resistance, toughness and wear resistance. Preheat temperature 250 ~ 300 degrees Celsius heat temperature 400 ~ 500 degrees Celsius, for multi-layer welding repair, the use of back welding repair, less prone to poor fusion and other defects.

P20Ni > 0.5 ~ HRC 3.2mm 30 ~ 34 plastic injection mould, heat resistant mould (Zhu Tongmo). To welding crack sensitivity low alloy composition design, the nickel containing about 1%, suitable for PA, POM, PS, PE, PP, ABS plastic, with good polishing, welding without porosity, crack, after grinding have good finish degree, the vacuum degassing, after forging, pre hardened to HRC 33 degrees, section hardness distribution is uniform, the die life of more than 3 00000. Preheat temperature 250 ~ 300 degrees Celsius heat temperature 400 ~ 500 degrees Celsius, for multi-layer welding repair, the use of back welding repair, less prone to poor integration and other defects. NAK80 > 0.5 ~ HRC 3.2mm 38 ~ 42 plastic injection mold, mirror steel. High hardness, mirror effect is good, good electrical discharge machining, welding performance is excellent, after grinding, smooth as a mirror, as the world's progress, the best plastic mold steel, added to the free cutting element, cutting easy, with high strength and toughness and wear deformation characteristics, suitable for all kinds of transparent plastic products mold steel. Preheat temperature 300 ~ 400 degrees Celsius heat temperature 450 ~ 550 degrees Celsius, for multi-layer welding repair, the use of back welding repair, less prone to poor fusion and other defects.

S136 > 0.5 ~ HB 1.6mm ~ 400 plastic injection mold, corrosion resistance, good permeability. High purity and high mirror degrees, good polishing, anti rust anti acid ability is excellent, heat treatment less deformation, suitable for PVC, PP and EP, PC, PMMA plastic resistance corrosion and is easy to mold and fixture, super mirror corrosion precision molds, such as rubber mold, camera parts, lens, watchcase.