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ASTM M52 Details

ASTM M52 Standard Download

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M52 Application:Bearing Steel

Category Type Grade Designations
Grades Tool Die Steels M52 USA - ASTM ,

Chemical composition(wt.%) of M52 grade:

Elements Min.（≥） Max.（≤） Similar Remarks
C 0.85 0.95
Si 0.20 0.60
Mn 0.15 0.45
P - 0.030
S - 0.030
Cr 3.50 4.30
Mo 4.00 4.90
V 1.65 2.25
W 0.75 1.50
Co - -
Bearing Steel

Mechanical properties of grade M52

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)
174 (≥) 418 (≥) 41 12 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical properties of grade M52

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
311 (≥) 388 (≥) 33 31 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 113
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
139 544 949

M52 - 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
M52 ASTM USA
Bearing Steel

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