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DIN 21CrMoV5-7, 1.7709, 21CrMoV5-11, 1.8070

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Grades | Structural Steel | 21CrMoV5-7, 1.7709, 21CrMoV5-11, 1.8070

  • DIN 21CrMoV5-7, 1.7709, 21CrMoV5-11, 1.8070 Details

    DIN standard material 21CrMoV5-7, 1.7709, 21CrMoV5-11, 1.8070 belongs to the Germany, from the steel to the finished product, we have the perfect technology and many years of accumulation of experience, we can now produce products include steel coil, sheet, plate,round bar, square steel, steel wire, steel pipe, forgings, other...

    21CrMoV5-7, 1.7709, 21CrMoV5-11, 1.8070 Application:high temperature boiler steels for energy industries

Chemical composition(mass fraction)(wt.%)
Elements Min.（≥） Max.（≤） Similar Remarks
C 0.17 0.25
Mn 0.30 0.50
Si 0.30 0.60
P - 0.035
S - 0.035
Cr 1.20 1.50
Ni - 0.60
Mo 1.00 1.20
V 0.25 0.35
Mechanical properties of grade 21CrMoV5-7, 1.7709, 21CrMoV5-11, 1.8070
Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition HBW
695 (≥) 125 (≥) 31 33 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 121
Physical properties of grade 21CrMoV5-7, 1.7709, 21CrMoV5-11, 1.8070
Property Density
kg/dm3		 Temperature T
°C/F		 Specific heat
J / kgK		 Thermal conductivity
W/mK		 Electric resistance
µΩ·cm
157 (≥) 853 (≥) 22 21 42 Solution and Aging, Annealing, Ausaging, Q+T,etc
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2		 - - -
574 256 665 - - -
21CrMoV5-7, 1.7709, 21CrMoV5-11, 1.8070 Range of products
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