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SMF166

SMF166 angle bars, SMF166 flanges, Pipe Fitting, Steel Pipe, Heat Exchanger and Reducer, Gasket, Tee, Pipe Fitting, Tube Plate, have all specifications. With many yeas production experience, strict control SMF166 chemical composition and SMF166 mechanical properties.

Production specification
Data center describes many of the common steel models, we can not determine the company's warehouse has all types of steel products inventory or raw materials.

Angle bar: 1mm to 1300mm
Steel Pipe: 1 - 1300mm, also can be customed.
Pipe fitting Size: 1/8 inch - 80 inch (DN6 - DN2000)
Flange Size: DN6 - DN2000
Lenth: Any lenth based on the customer's requirement.

 

SMF166

SMF166 tube plate, SMF166 flange, SMF166 steel Pipe Fitting, SMF166 Reducer,SMF166 angle bar,SMF166 Valve, SMF166 steel pipe, SMF166 tube, SMF166 tube sheet, SMF166 tee. SMF166chemical composition and mechanical properties.


 SMF166 hot work tool steel . If you are keen interested in the alloy tool steel, please feel free to contact with us for more detailed data concerning the hot working tool steel Today! If you do not find alloy tool steel specification you require on our web site, please also contact our technical development department who may be able to assist you with your Specific Enquiry. 
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Specific feature is as follows:

Chemical composition - alloy tool steel 
Classification: hot work mold steel
Steel grade: SMF166
C:0.02
Si:0.44
Mn:16.44
P:0.015
S:0.002
Cr:18.03
Ni:0.49
CU:0.01
B:0.001
N:0.5
Mo:0.64
Hardness, hot working and heat treatment practice
Hot working temperature /℃|start: -
Hot working temperature /℃|end:   -
Annealing temperature /℃:    820~870
Hardness after annealing HBW:  ≤241
Quenching temperature /℃:  1070~1170
Quenching medium :  oil
Tempering temperature /℃:  600~700
Hardness after tempering ≥HRC:  55
 
Main feature and application field – alloy tool steel
 
Alloy tool steel is widely used to produce the cutting tool, cold/heat distortion mould and measuring implement. and further to manufacture the piston, valve, valve seat of fuel pump of diesel engine.
 
Object classification
 
The hardening capacity, hardenability, abrasive resistance and toughness of alloy tool steel are superior to carbon tool steel,it roughly divides into cutting toolmould steel, measuring implement steel according to its application. The high-carbon content steel (carbon mass fraction is over 0.080% ) is used to process the cutting tool, measuring implement and cold work die. the hardness is over HRC60 after quenching. and has enough abrasive resistance. The steel of medium carbon content (mass fraction 0.35%~ 070%) is generally used to make the hot working die, low speed cutting tools ( woodworking tool, benchwork tool, drill, milling cutter) and measuring implements (caliper, micrometer, block gauge, sample plale). Measuring and cutting tool steel should have high hardness (62~65HRC),high abrasive resistance, enough obdurability, hothardness. The measuring and cutting tool steel also should require excellent dimensional stability in order for a higher precision.
 
Cold work die includes cold punching mould, wire-drawing die, drawing die, coining die, thread rolling die, cold heading die, cold extrusion die, Based on the working condition, cold work die should have the high hardness, strength, abrasion resistance, toughness, hardenability, quenching degree, and other processing property. This kind of alloy tool steel belongs to  high carbon Alloy steel (carbon mass fraction is over 0.80%), Chromium is key element of alloy with mass fraction below 5% generally.
 
Hot-working die divides into several main types, such as hammer flanges, die flanges, extrusion and die casting, including hot forging diepress machine forging die, stamping die, hot-extrusion die, metal die-casting mould. Heat distortion mould not only supports huge mechanical stress, but also thermal stress during working repeatedly. Hot-work die steel should have not only high hardness, red hardness, abrasion resistance, toughness, but also have excellent high temperature strength, thermal fatigue stability, thermal conductivity, upper hardenability for guaranteeing the whole cross section with consistent mechanical property
 
Plastic mold includes thermoplastic plastic mould and thermosetting plastic mold. Plastic mould steel requires the properties of definite strength, hardness, abrasion resistance, heat stability and corrosion resistance. And further requires excellent manufacturability, such as processability, corrosion resistance, grindability, polishing, repair welding, roughness, thermal conductivity, shape stability.
Heat treatment
 
The preheating of measuring and cutting tool steel is spheroidizing annealing, final heat treatment is quenching + low temperature tempering and hardness after heat treatment can reach 60~65HRC.
When heat treat tool steel grades consideration should be given to hardening temperature, including ratio of heating, cooling and soaking times which will differ due to factors such as the shape and size of each chemical component. Other considerations during heat treatment include the type of furnace, quenching medium and work piece transfer facilities.

Main feature and application
Carbon tool steel: carbon content ranging from 0.65% ~ 1.35%, is widely used in the field of manufacturing the cutting tools,mold steel,measuring implement. Compared with alloy tool steel,it has good machinability, low cost, wide application with large use levels in the manufacturing tools.
 
Category
Carbon tool steel is divided into carbon cutting tool steel, carbon mold steel and carbon measuring implement steel. Carbon cutting tool steel are for fabricating the cutting tool, carbon mold steel is for making the cold/hot working die steel and carbon measuring implement steel is for manufacturing the measuring tools.
 
Annealing process
Carbon tool steel is general deliveried in the condition of annealing and also for un-annealing according to demander's requirement.
 
Quenching process
Compared with alloy tool steel, the hardenability of carbon tool steel is lower, and diameter of through hardening in the Water is 15mm and only 5mm in the oil, further, this type of steel has a lower thermohardening, the hardness and abrasion resistance will drop quickly under the working temperature above 250℃, and also its cutting ability. Therefore,this type of steel is only for processing the tools in small size, simple form, low cutting speed, and normal working temperature.
 

Ultrasonic inspection: 100% ultrasonic inspection for any inperfections or based on the customer's requirement.
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