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M6 Application:Molybdenum series High-speed tool steel
Category Type Steel grade Standard Country
Grades Special Alloy M6 ASTM USA

Chemical composition % of the ladle analysis of grade M6

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Mo(%) V(%) W(%) Co(%)
0.75~0.85 0.20~0.45 0.15~0.40 ≤0.030 ≤0.030 3.75~4.50 4.50~5.50 1.30~1.70 3.75~4.75 11.0~13.0
M6
Mechanical properties of grade M6
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)
576 (≥) 651 (≥) 23 42 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 432
Physical properties of grade M6
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
963 (≥) 325 (≥) 23 22 44 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
375 299 426
M6 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
12X16H25M6AΓ ASTM USA
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition
M6 ASTM USA
High-Speed Tool Steel
M62 ASTM USA
High-Speed Tool Steel
M61 ASTM USA
High-Speed Tool Steel

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