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DIN 140Cr3 Details

DIN 140Cr3 Standard Download

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140Cr3 Application:Low alloyed Cr steel

Category Type Grade Designations
Grades Tool Die Steels 140Cr3 Germany - DIN ,

Chemical composition(wt.%) of 140Cr3 grade:

Elements Min.（≥） Max.（≤） Similar Remarks
C 1.35 1.50
Si 0.15 0.30
Mn 0.25 0.40
P - 0.035
S - 0.035
Cr 0.40 0.70
Mo - -
V - -
Low alloyed Cr steel

Mechanical properties of grade 140Cr3

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)
616 (≥) 332 (≥) 14 22 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical properties of grade 140Cr3

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
572 (≥) 519 (≥) 14 11 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 343
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
839 461 659

140Cr3 - 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
140Cr3 DIN Germany
Low alloyed Cr steel

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