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            HUANGSHI JIRUI INDUSTRY CO.,LTD

            Contact Us

            Name: John Wu
            Mobile: +86-18071861537
            E-mail: sales@hsjrsteel.com
            Add: NO.16, XISAI INDUSTRIAL AREA, HUHANGSHI CITY, HUBEI PROVICE, CHINA
            Skype: john.wu1605
            MSN: john.wu1605@hotmail.com
            MSN: john.wu1605@hotmail.com Skype: john.wu1605 sales@hsjrsteel.com

            Products > Alloy tool steel > > Cr12/1.2080/D3/SKD1
            Product name : Cr12/1.2080/D3/SKD1
            Item : 2014517162244
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              Details:

            Packaging & Delivery

            Packaging Detail: 20ft: GW:17.5T; (5.80mX2.13mX2.18m,) 40ft: GW:22T; (11.8mX2.13mX2.18m,)
            Delivery Detail: 7 days after the order is exactly confirmed

            Specifications

            Round bar D3 steel 
            1.EAF/ESR provide 
            2.Sample free 
            3.Black or Bright 
            4.T: 25-200mm W:50-610mm L:2000-4000mm

             
            Product Description

            Round bar D3 steel 

            1.Specifications of d3 steel:

             

                       Round bar

            Diameter(mm)

            Length (mm)

             

            10~410

            3000~5800

             

             

                            Plate

            Thickness(mm)  

            Width (mm)       

            Length (mm)    

            Max:25-200mm

            50-610mm

            2000~4000 

            The size can be customed!

            2.Equivalent grade:

            AISI/ASTM

            GB

            DIN

            JIS

            BS EN ISO

            D3

            Cr12

            1.208

            SKD1

            X210Cr12

            3.Chemical composition(%) of d3 steel: 

            C

            Si

            Mn

            Cr

            S

            P

            2.00-2.30

            ≤0.40

            ≤0.40

            11.50-13.00

            ≤0.03

            ≤0.03

            4.Heat treatment:

            Isothermal annealing:

            - Heat to 850°Chold for 1/2 hour to 1 hour;

            - Furnace cooling to 770°C and hold at temperature for at least 10 hours;

            -Cool by 10°C /h to 720°C;

            -Cooling in air.

            Stress relieving:

               To be carried out after machining and before the final heat treatment.

            -Heat to 650-700°C, hold for 4/6 hours:

            -Furnace cooling to 330-350°C;

            -Cooling in air.

            Hardening:

            -Initial preheating to 350-450°C;

            -Second preheating to 750-850°Cin salt bath at 850°C;

            -Austenitizing at 960-100°C;

            -Cooling in fluid oil.

            Tempering hardness: 64-65 HRC

            5.Application:

            1.Steel with wear resistance and fairly good dimensional stability during heat treatment. 

            2.Rolls for cold strip mills and wire squeezer mills, circular knives and shear blades.

            3.Dies for small metal parts, punches and drawing dies, dies for sintering, forming tool rollers, shear blades.

            4.Molds for plastic materials. Statically and dynamically stressed components for vehicles,engines and

             machines.

            5.For parts of larger cross-sections,crankshafts,gears,wear-resisting press tool and guide palte.ect.

            6.Characteristic:

            1.Very high resistance against abrasive and adhesive wear due to a high volume of hard carbidesin the steel.

            2.Matrix moderate machinability good dimensional stability

            3.Toughness and through hardenability 

            7.Machinability

            The machinability rating of D3 is roughly 25 % that of free machining carbon steel 1018. 

            Due to its abrasion resistant nature, machining in the hardened condition should be limited to finish grinding.

            8.Inspection:

            100% Ultrasonic according to the test standards:SEP1921-84,GR.3 CLASS C/C or by SGS ,AHK or Alex Stewart

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            曰本道久久综合久久爱