Graphite electrode

High quality UHP and other graphite electrode products that are equivalent to domestic products quality.

Typical specificaiton for UHP are listed below as an examples. Electrodes with various other characteristics are available.

ItemDiameter (mm) 300~400Diameter (mm) 450~500Diameter (mm) 550~600Diameter (mm) 650~700
Bulk density g/cm31.701.701.701.70
Specific resistance μΩm5.7~6.05.75.4~5.75.4
Bending strength MPa10.510.511.011.0
Young's modulus GPa14.014.014.014.0
Thermal expansion coefficient (R.T. to 600°C) ×10-6/°C1.51.51.41.4
True density g/cm32.20~2.222.21~2.232.21~2.232.21~2.23
Porosity %21~2620~2420~2420~24
Ash content %0.20.20.20.2

Ferrosilicon (FeSi75)

Size (s): 3.15~60mm

CompositionSiCPS
FeSi75%~80%≦0.2%≦0.05%≦0.02%

Silicomanganese (SiMn6517)

Size (s): 10-50mm

CompositionMnSiCPS
SiMn60%~65%16%~20%≦2%≦0.15%≦0.03%

Desulfurization agent

Spec.CaO (%)Al2O3 (%)SiO2 (%)TiO2 (%)Fe2O3 (%)MgO (%)
Type I42~4542~454~6<2.5<2.5<1.5
Type II32~3550~53<7.0<2.5<2.5<1.5

Billet

GradeSize (mm.sq)Length (m)
SS400130, 140, 150, 160Max.17
20Mnsi130, 140, 150, 160Max.17
SWRM6~22 (low carbon steel bar)130, 140, 150, 160Max.17
SWRH42~77 (high carbon steel bar)130, 140, 150, 160Max.17

Slab

GradeSize (mm)Width (mm)Length (m)Remarks
SS4002201500-1800Max.11For HRC
SS4002301500-1800Max.11For HRC
SS400250Max. 5100Max.11For mid plate

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