Location » Home » Grades > Stainless Steels > 21CrMoV5-7

ISO 21CrMoV5-7 Details

Tags

21CrMoV5-7 Application:Wrought steels for use at elevated temperatures in engines

Category Type Grade Microstructure Designations
Grades Stainless Steels 21CrMoV5-7 Bainite International - ISO , ISO/TR 4956 - Wrought steels for use at elevated temperatures in engines

Chemical composition(wt.%) of 21CrMoV5-7 grade: ISO/TR 4956

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.17 0.25
Si - 0.04
Mn 0.40 0.80
P - 0.030
S - 0.030
Cr 1.20 1.50
Mo 0.65 0.80
Ni - 0.60
V 0.25 0.35
Wrought steels for use at elevated temperatures in engines

Mechanical properties of grade 21CrMoV5-7 ISO/TR 4956

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
151 (≥) 833 (≥) 34 23 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical properties of grade 21CrMoV5-7 ISO/TR 4956

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
239 (≥) 675 (≥) 14 14 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 322
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
474 431 298

21CrMoV5-7 - Form of Supply

Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
21CrMoV5-7 ISO International
Wrought steels for use at elevated temperatures in engines
21CrMoV5-7, 1.7709, 21CrMoV5-11, 1.8070 DIN Germany
high temperature boiler steels for energy industries

Relevant products

Enquiry

Please enter the kg or metric tons.
Please be sure to fill in, in order to contact!
Please be sure to fill in, in order to contact!
Please fill in the Size, Quantity, Weight,, etc...

* Required fields