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M2 hight C Application:Molybdenum series High-speed tool steel
Category Type Steel grade Standard Country
Grades Special Alloy M2 hight C ASTM USA

Chemical composition % of the ladle analysis of grade M2 hight C

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％) V(%) W(%)
0.95～1.05 0.20～0.45 0.15～0.40 ≤0.030 ≤0.030 3.75～4.50 4.50～5.50 1.75～2.20 5.50～6.75
M2 hight C
Mechanical properties of grade M2 hight C
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)
252 (≥) 256 (≥) 33 32 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 132
Physical properties of grade M2 hight C
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
367 (≥) 118 (≥) 13 43 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 332
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
267 124 735
M2 hight C 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
A 1049 S32550 ASTM USA
Stainless Steel Forgings, Ferritic/Austenitic (Duplex), for Pressure Vessels and Related Components
A 240 S32550 ASTM USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 276 S32550 ASTM USA
Stainless Steel Bars and Shapes
A 473 S32550 ASTM USA
Stainless Steel Forgings
A 479 S32550 ASTM USA
Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
A 511 S32550 ASTM USA
Seamless Stainless Steel Mechanical Tubing
A 789 S32550 ASTM USA
Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service
A 790 S32550 ASTM USA
Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe
A 815 CRS32550 ASTM USA
Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings
A 815 WPS32550 ASTM USA
Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings
A 928 S32550 ASTM USA
Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of Filler Metal
A 949 S32550 ASTM USA
Spray-Formed Seamless Ferritic/Austenitic Stainless Steel Pipe
S32550 ASTM USA
Duplex (Austenitic-Ferritic) Chromium Nickel Molybdenum Copper Nitrogen Stainless Steel
SA-240 S32550 ASTM USA
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
SA-276 S32550 ASTM USA
Specification for Stainless Steel Bars and Shapes
SA-479 S32550 ASTM USA
Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
SA-789 S32550 ASTM USA
Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Tubing for General Service
SA-790 S32550 ASTM USA
Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe
SA-815 CRS32550 ASTM USA
Specification for Wrought Ferritic, Ferritic /Austenitic, and Martensitic Stainless Steel Piping Fittings
SA-815 WPS32550 ASTM USA
Specification for Wrought Ferritic, Ferritic /Austenitic, and Martensitic Stainless Steel Piping Fittings

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M2 hight C Equivalent Grade Stock

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