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:What kind of material does ordinary steel plate refer to in steel market?
And because of the common strength, there is a single carbon steel plate is made, then the internal molecular interactions is very single, which makes the steel in strength is very limited, there is no better development. But the alloy steel plate is different, because this kind of steel plate because has joined many other elements, this also causes its internal molecular structure to become extremely complex, simultaneously its internal molecular force also becomes extremely strong. It also gives the plate greater in strength increased, and the alloying elements of the steel sheet is fixed on the strength of it development is limitless.
Q:What's the difference between a spray plate and a colored steel plate?
Color steel plate, material without zinc flower leveling, hot galvanized steel coil and zinc alloy coating, steel coil and other good substrate;
Q:Q195 galvanized steel plate, is it hot or cold?
Cold rolling mill for rolling power, low efficiency, and the rolling process in order to eliminate work hardening and annealing, so the cost is higher, but the cold rolled steel surface bright, good quality, can be directly used for processing products, it is ten points wide application of cold rolled steel plate.
Q:Is galvanized iron sheet the same as galvanized steel sheet? solve
Galvanized sheet iron and galvanized steel sheet is a kind of thing. Galvanized iron sheet is commonly used as galvanized steel sheet. It is not a strict scientific name.
Q:How thick is steel filing cabinet usually made of steel plates?
A lot of people will hold 0.6 of the said 0.8 material, this is because the cold rolled plate after forming electrostatic spraying powder and environmental protection, so it is actually only 0.6mm 0.8mm bare steel, on this point, if you are purchasing large quantities of words, can use vernier caliper to card
Q:Are there any restrictions on the thickness of the steel plate, such as the minimum thickness of the steel plate?
The information of the building is incomplete and can not be determined. The welding technical parameters will affect the welding method, welding current, welding voltage, welding environment and specifications
Q:What is the difference between hard steel plate and soft steel plate?
Molding (Injection) refers to the process of heating and melting material from the high pressure into the mold cavity, after cooling and curing, to obtain forming products. This method is suitable for mass production of complicated parts, and it is one of the important processing methods. The injection molding process can be broadly divided into the following 6 stages: mold injection - pressure holding - cooling - mold opening - product removal, and the process can be repeated to produce products continuously.
Q:What are the driving methods for steel sheet piles?
Common vibration hammer, manipulator and static pressFor more information, look at my company's website in my profile
Q:Can 16Mn steel plate be used instead of Q345D steel plate?
16Mn steel plate is the old brand, the latest brand is Q345, but Q345D has a special requirement than 16Mn, that is, 20 degrees lower temperature test
Q:Larson steel sheet pile and what is the difference between the hot cold
Another difference in actual use is that the number of cold-formed steel pile below 10mm is generally not more than 3 projects, and the number of times used is about 10 times. The number of hot rolled steel sheet piles can reach 30-60 times.Therefore, the choice of cold-formed steel sheet pile or hot rolled steel sheet pile, different projects should be based on its use cycle, the number of turns, water requirements and other comprehensive situation.

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