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Chemical composition % of the ladle analysis of grade EN 21CrMoV5-7

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.17-0.25 0.40 0.40-0.80 0.030 0.030 1.20-1.50 Max 0.60 0.55-0.80
Euronorm Stainless Steel, EN 21CrMoV5-7
Mechanical properties of grade EN 21CrMoV5-7
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)
599 (≥) 468 (≥) 13 31 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 242
Physical properties of grade EN 21CrMoV5-7
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
529 (≥) 682 (≥) 24 31 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 223
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
272 161 163
EN 21CrMoV5-7 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
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
21CrMoV5-7
Wrought steels for use at elevated temperatures in engines
21CrMoV5-7, 1.7709, 21CrMoV5-11, 1.8070
high temperature boiler steels for energy industries

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