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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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