ГОСТ 8Χ4Β2ΜФC2

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ГОСТ 8Χ4Β2ΜФC2

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8Χ4Β2ΜФC2 Application:Carbide for cutting tools

Chemical composition(mass fraction)(wt.%) of the 8Χ4Β2ΜФC2
C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) V(%) W(%) Cu(%) Ti(%)
0.80-0.90 1.70-2.00 0.20-0.50 ≤0.030 ≤0.030 4.55-5.10 ≤0.35 0.80-1.10 1.10-1.40 1.80-2.30 ≤0.30 ≤0.03

Mechanical properties of grade 8Χ4Β2ΜФC2

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition HBW
877 (≥) 749 (≥) 32 23 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical properties of grade 8Χ4Β2ΜФC2

Property Density
kg/dm3		 Temperature T
°C/F		 Specific heat
J / kgK		 Thermal conductivity
W/mK		 Electric resistance
µΩ·cm
962 (≥) 642 (≥) 14 22 22 Solution and Aging, Annealing, Ausaging, Q+T,etc
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2		 - - -
627 866 567 - - -

8Χ4Β2ΜФC2 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