1.7709 Hot Forged 21crmov5-11 1.8070 Steel Flat Round Bar

Product Details
Customization: Available
Type: Round
Standard: AISI, ASTM, DIN, JIS, GB, BS
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  • 1.7709 Hot Forged 21crmov5-11 1.8070 Steel Flat Round Bar
  • 1.7709 Hot Forged 21crmov5-11 1.8070 Steel Flat Round Bar
  • 1.7709 Hot Forged 21crmov5-11 1.8070 Steel Flat Round Bar
  • 1.7709 Hot Forged 21crmov5-11 1.8070 Steel Flat Round Bar
  • 1.7709 Hot Forged 21crmov5-11 1.8070 Steel Flat Round Bar
  • 1.7709 Hot Forged 21crmov5-11 1.8070 Steel Flat Round Bar
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Basic Info.

Model NO.
Round bar
Technique
Forged
Shape
Plate
Surface Treatment
Black or as Required
Special Use
High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel
Application
Tool Steel Bar
Transport Package
Wooden
Specification
6-400mm
Trademark
Smooth
Origin
China
HS Code
7214100000
Production Capacity
5000 Ton/Year

Product Description

1.7709 Hot Forged 21crmov5-11 1.8070 Steel Flat Round Bar1.7709 Hot Forged 21crmov5-11 1.8070 Steel Flat Round Bar1.7709 Hot Forged 21crmov5-11 1.8070 Steel Flat Round Bar1.7709 Hot Forged 21crmov5-11 1.8070 Steel Flat Round Bar1.7709 Hot Forged 21crmov5-11 1.8070 Steel Flat Round Bar1.7709 Hot Forged 21crmov5-11 1.8070 Steel Flat Round Bar1.7709 Hot Forged 21crmov5-11 1.8070 Steel Flat Round Bar1.7709 Hot Forged 21crmov5-11 1.8070 Steel Flat Round Bar1.7709 Hot Forged 21crmov5-11 1.8070 Steel Flat Round Bar

About products

21CrMoV5-7 steel,also refers to DIN 1.7709, is defined as pearlitic heat-resistant steel with high
content Cr and Mo as per EN 10269 Standard.While 21CrMoV5-11,with higher Mo content(1%),
can be seen as an upgraded version of 21CrMov5-7 steel.

Both of them can work at around 500 degrees for a long time and are mainly used in petrochemical,
coal conversion, nuclear power, steam turbine cylinders, thermal power and other occasions with
harsh conditions and corrosive media. Main applications: rolls, boilers, reactors, heaters, steam
generation device, etc.

 
Chemical Composition(%)
C Si Mn P S Cr Mo Ni V
0.17-0.25 ≤0.4 0.4-0.8 ≤0.025 ≤0.03 1.2-1.5 0.55-0.8 ≤0.6 0.20-0.35

21CrMoV5-7 STEEL FORGING

  • Initial Forging Temperature:1100ºC
  • Final Forging Temperature:850ºC
  • Forging Ratio:above 4:1
  • Post-Forging Treatment:21CrMoV5-11 / 21CrMoV5-7 steel,as high Cr-Mo steel, is prone to cracks due to improper cooling after forged,so the recommended method is to arrange annealing heat treatment immediately after forged,the purpose is to slowly cool the material and eliminate the huge internal stress after forging.

21CrMoV5-7 STEEL HEAT TREATMENT

21CrMoV5-7 Steel High Temperature Tempering

The recommended high temperature tempering temperature of 21CrMoV5-11/21CrMoV5-7 steel is 690-710 ºC, air cooling, and the surface hardness of the material after tempering is not greater than 241HB.

21CrMoV5-7 Steel Quenching & Tempering(QT)

  • Quenching Temperature:930-950ºC
  • Quenching Medium:Oil
  • Tempering Temperature:700-740ºC

1.7709 Hot Forged 21crmov5-11 1.8070 Steel Flat Round Bar

 

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