(1) hammer forging die steel foldingIn general, hammer forging die steel with two issues more prominent one is the impact load of work. So on steel of high mechanical performance requirements, especially on plastic deformation resistance and toughness requirements higher; second is the hammer forging die section size is larger (0.5 ~ HRC 56~58 of 3.2mm and the welding cold patch as the 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.] GMT-63 of knife edge wire > 0.5 ~ 3.2mm HRC 63~55, mainly used in welding broach die, heat for high hardness of mould, hot forging die, hot die, die screws, abrasion resistance of hardfacing, high speed steel, knife edge repair.0.5 ^ > GMT-SKD61 ~ 3.2mm HRC 40~43 welding zinc, aluminum pressure casting, 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.The GMT-hs221 tin brass wire. Performance characteristics: also for manual welding wire containing small amount of tin, silicon special brass wire, for Brass gas welding and carbon arc welding, is also widely used in the welding of copper, steel, copper nickel alloy. Welding method of copper and copper alloy welding wire is argon arc welding, oxygen acetylene welding and carbon arc welding.The good mechanical properties of GMT-hs211. Argon arc welding of copper alloys and MIG brazing of steel.The GMT-hs201, HS212, HS213, HS214, HS215, HS222, HS225 copper wire.The 1100, 1050, 1070 GMT-, 1080 pure aluminum wire. Performance features: pure aluminum welding wire for MIG and TIG welding. This kind of welding wire has a good color matching property after the anodic treatment. Suitable for power application, good resistance, excellent conductivity. Purpose: marine sports equipmentThe GMT- semi nickel, pure nickel electrode4043 / GMT-, 4047 Al Si wire. Performance features: used for welding 6*** series of parent material. Weak sensitivity to thermal cracking is used for welding forging and casting materials. Purpose: marine, locomotive, chemical, food, sports equipment, mold, furniture, containers, containers, etc..The 5356, 5183, 5554, GMT- 5556, 5A06 aluminum magnesium wire. Performance features: this kind of welding wire for welding 5*** series alloy and the alloy chemical composition and the parent material close to the welding and specially designed. It has good corrosion resistance and color matching after the anode treatment. Uses: used in bicycle, aluminium scooters and other sports equipment, locomotive cars, chemical pressure vessel, ordnance production, shipbuilding, aviation and so on.0.1 ^ > GMT-70N ~ 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.0.5 / GMT-60E> ~ 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/mm elongation rate: 26% -0.5 ^ > GMT-8407-H13 ~ 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, cutter, 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 also rupture.The GMT- explosion proof wire bonding backing > 0.5 ~ 2.4mm HB~300 high hardness steel, hardfacing production base, welding cracking. High strength welded branch, containing high nickel chromium alloy composition for anti cracking bottom welding, filling backing, strong tension, and repair of steel crack welding reconstruction."GMT-718 > 0.5 ~ 3.2mm HRC 28~30 large appliances, communications, electronics, toys, sports equipment and other plastic mould steel products. Plastic injection mold, heat resistant, corrosion resistant mold, cutting, good corrosion, good surface gloss, long service life. When the temperature of 250~300 is 400~500, and it is used to fill up the multi layer welding, it is not easy to produce the fusion defect and so on.0.5 ^ > GMT-738 ~ 3.2mm HRC 32-35 translucent and surface gloss of plastic mold steel, large-scale mold, the product shape complex and high precision plastic mold used steel. Plastic injection mold, heat resistance, corrosion resistance, corrosion, good, good processing, easy cutting, polishing and electrical erosion, toughness and wear resistance. When the temperature of 250~300 is 400~500, and it is used to fill up the multi layer welding, it is not easy to produce the fusion defect and so on."GMT-P20Ni > 0.5 ~ 3.2mm HRC 30~34 plastic injection mold, mold heat (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. When the temperature of 250~300 is 400~500, and it is used to fill up the multi layer welding, it is not easy to produce the defects and so on."GMT-NAK80 > 0.5 ~ 3.2mm HRC 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, easy cutting and processing, with high strength and toughness and wear deformation characteristics, suitable for all kinds of transparent plastic material products of the mold steel. When the temperature of 300~400 is 450~550, and it is used to fill up the multi layer welding, it is not easy to produce the fusion defect and so on.GMT-S136 / > 0.5 ~ 1.6mm HB~400 plastic injection mold, corrosion resistance, good permeability. High purity and high mirror, polishing, anti rust anti acid ability is excellent, the heat treatment variant less, suitable for PVC, PP and EP, PC, PMMA plastic, corrosion resistance and easy to mold and fixture, super mirror corrosion precision molds, such as rubber mold, camera parts, lens, watchcase."GMT- ace steel > 0.5 ~ 2.4mm HB~200, shoe mold, welding iron, mild steel corrosion flower, easy carving, S45C S55C steel and repair. Fine texture, soft, easy processing, no pores, preheating temperature of 200~250 DEG C after thermal temperature 350~450.] GMT-BeCu (BeCu) > 0.5 ~ 2.4mm HB~300 high thermal conductivity of copper alloy mold material, with the major elements for beryllium and its application in plastic injection mold inserts, mold, die-casting punch, hot runner system of cooling, thermal mouth and blow mold of the whole cavity, a wear plate and so on. Tungsten copper materials are used in resistance welding, electric spark, electronic packaging and precision machinery equipment, etc..] GMT-CU (argon welding copper) > 0.5 ~ 2.4mm HB~200 the welding support use widely, welding electrolytic film, copper alloy, steel, bronze, cast iron, copper pieces of welding. Good mechanical properties, can be used for welding of copper alloy, can also be used for welding steel and iron, iron.] strength oil steel wire > 0.5 ~ 3.2mm HRC 52~57 punching and blanking die, gauge, die, hole punch, can be widely used in the cold metal stamping, jewelry embossing mold, general special tool steel, wear-resistant, oil cold.] GMT-Cr steel wire > 0.5 ~ 3.2mm HRC 55~57 punching and blanking die, cold molding, cold drawing die, punch, high hardness, high tenacity, line for cutting of good. Preheating before welding repair, please do after welding heat action.GMT-MA-1G - > 1.6~2.4mm, ultra mirror wire, mainly used in military products or demanding products. The hardness of HRC 48~50 maraging steel, aluminum die casting, low pressure casting mold, forging mold, stamping die, injection mold welding. Special hardened high toughness of alloy, very applicable to aluminum gravity casting mold, pouring mouth and prolong the service life of 2 ~ 3 times, can make very precise mold, super mirror (gate repair welding, the use is not easy to heat fatigue cracking)."On the strength of high speed steel wire (skh9) > 1.2~1.6mm HRC 61 ~ 63 high speed steel and durability for ordinary high-speed steel is 1.5 to 3 times for to manufacture high temperature alloy, stainless steel, titanium alloy, high strength steel of difficult to machine material cutting tools, welding repair broach, heat for high hardness tools, dies, hot forging die, hot die, die screws, wear hardfacing consumption, high speed steel, die, tool, electronic parts, thread rolling die, tooth plate, drill roller, roller, compressor and various machine parts mold. After the European industrial level of strict quality control, high carbon content, composition, excellent and good internal structure of the material, the hardness is stable, and wear resistance, toughness, high temperature, etc..... Features are better than the general level of the material.The GMT- nitride parts welding wire > 0.8 ~ 2.4mm HB~300 is suitable for nitriding mould parts, surface repair.