Die or Mould Steel

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Die steel was used in the manufacture of cold die, hot forging molding moldmold. The mould is the main processing tool manufacturing parts of machinery manufacturing, motor, electric instrument, radio and other industrial sectors in the. Mold quality directly affects the pressure processing technology, the precision of the product yield and quality of production cost, and the quality and service life of die except by reasonable structure design and machining precision, mainly affected by mould material and heat treatment.

Introduction

Die steel can be broadly divided into: cold die steel, hot die steel and plastic mould steel three class, used for forging, stamping, cutting type, die castingetc.. Because of various kinds of mold for different purposes, the workcondition is complex, so the mold steel, mold manufacturing according to theirworking conditions, should have the strength, hardness, high wear resistance,enough toughness, and high hardenability, hardenability and other process performance. Because this kind of different purposes, the complex working conditions, so the die steel performance requirements are also different.

Cold mould comprises a die, drawing die, drawing die, stamping die, thread rolling die, thread rolling plate, Leng Dunmo and cold extrusion die etc.. Mold steel cold work, according to the manufacture working conditions, have high hardness, strength, wear resistance and enough toughness, and highhardenability and hardenability and other process performance. For this kindof alloy tool steel for use in general belong to the high carbon alloy steel,carbon content was above 0.80%, chromium is an important alloying elementof this kind of steel, whose content is usually not more than 5%. But for somewear resistance requirement is very high, quenching after deformation is smalldie steel, the highest CR mass fraction of 13%, and to the formation of a large number of carbide, carbon content in steel is also very high, up to 2.0%~2.3%.Cold working die steel with high carbon content, the organization mostlyhypereutectoid steel or ledeburite steel. Steel commonly used with high carbon and low alloy steel, high carbon high chromium steel, chrome molybdenum steel, medium carbon chromium tungsten Bracelet steel etc..

Hot die forging, divided into hammer forging, extrusion and die-casting of several main types, including hot forging die, press forging die, stamping die,hot extrusion die and metal die casting die. Thermal deformation die at work in addition to bear great mechanical stress, but also bear the repeated heating and cooling do use, and caused great thermal stress. Hot work die steelshould have high strength, hardness and red hardness, wear resistance and toughness, but also should have high strength, good thermal stability, thermalfatigue resistance and corrosion resistance, also has high hardenability, so as to ensure the whole section has the mechanical consistency can. For die casting die steel, also has a surface layer after repeated heating and coolingdoes not crack, and subjected to liquid

Die steel

Die steel

State of the metal flow impact and erosion performance. This kind of steel is usually belongs to the medium carbon alloy steel, carbon content in 0.30%~0.60%, belongs to the sub eutectoid steel, there is also a part of steelas the alloy elements added more (such as tungsten, molybdenum, vanadium,etc.) and become the eutectoid or hypereutectoid steel. Steel commonly used with chromium manganese steel, chrome nickel steel, chromium, tungsten steeletc..


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Q:Can Q460C steel plate be used as Q235 steel plate?
Q460C steel plate is superior to Q235 steel in mechanical performance, but Q235 steel plate has lower cost. Therefore, the steel sheet of Q460C material can be used as a Q235 steel plate without considering the cost.
Q:How is the weight of the steel plate calculated?
Steel plate by thickness, thin steel plate <4 mm (thinnest 0.2 mm), thick steel plate 4~60 mm, extra thick steel plate 60~115 mm.The steel plate is divided into hot-rolled and cold-rolled parts according to rolling.The width of the sheet is 500~1500 mm; the thickness is 600~3000 mm. According to the type of steel sheet, ordinary steel, stainless steel, alloy steel, spring steel, stainless steel, tool steel, heat-resistant steel, bearing steel, silicon steel and industrial pure iron sheet; according to professional use, with drums board, enamel board, bulletproof plate; surface coating and plating, plating with zinc thin plate, tin plate, plating lead sheet, plastic composite plate.
Q:What is a cold rolled sheet with plastic sprayed?
After the cold rolled steel sheet is finished, the surface treatment needs to be carried out, including:1: electroplating: zinc plated, nickel plated, copper plated, gold plated, chrome plated,2: immersion plating: black, hot galvanizing3: spray: spray paint, spray, baking paint,4: polishing, point solution polishing, shot peening, shot blasting
Q:What does "steel plate 10t" mean in the specification column of engineering material?
10T refers to the steel plate thickness of 10mm.Steel plate is made of molten steel, cooled and compressed into flat steel.The steel plate is flat, rectangular, and can be rolled directly or cut from a wide strip of steel.
Q:What kind of steel plate is Q234?
There is no Q234 steel plate type. It is Q235 low carbon structural steel plate brand.Q235:Q, the yield point of the initial letter, representing the yield point; 235, the yield point value 235MPa.
Q:What welding rod should be used for welding of cast iron and Q235B steel plate?
SUS304 is 18/8 stainless steel. GB brand 0Cr18Ni9, this is an austenitic stainless steel, austenitic welding electrode, such as A102 or A302 welding.
Q:What is the electromagnetic steel plate in the generator?
Looks like in the game but did not listen to the words, said in real life. Not heard of steel sheet of motor core
Q:What's the difference between hot-rolled seamless steel tube and cold-rolled seamless steel tube?
Cold rolled seamless steel pipe (DIAL) in general, steel pipe for low and medium pressure boiler tube, high-pressure boiler steel pipe, alloy steel pipe, stainless steel pipe, oil cracking tube and other steel tube, including carbon thin-walled steel, alloy thin-walled steel, stainless steel, thin steel tube.
Q:The method of making spring steel for automobile?
Steel plate like spring can not be used as a knife. No material, easy to the teeth. If the shape of the tool is not required, the spring coil of the shock absorber can be used.
Q:STCC what's the quality of the cold rolled steel sheet?
STCC cold-rolled steel sheet is made of low carbon cold-rolled steel sheet.

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