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SAE M61 Details

High-Speed Tool Steel

SAE M61 Standard Download

M61 Datasheet
SAE M61

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M61 Application:High-Speed Tool Steel
Category Type Grade Designations
Grades Tool Die Steels M61 USA - SAE ,
Chemical composition(mass fraction)(wt.%)
Elements Min.（≥） Max.（≤） Similar Remarks
C 1.75 1.85
Si 0.20 0.45
Mn 0.25 0.50
Cr 3.50 4.25
Mo 6.00 6.75
V 4.50 5.25
W 12.00 13.00
S 0.05 0.09
Mechanical properties of grade M61
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)
779 (≥) 545 (≥) 21 41 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 311
Physical properties of grade M61
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
966 (≥) 745 (≥) 43 11 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 413
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
597 285 263
M61 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
M61 SAE USA
High-Speed Tool Steel