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UNIBAR is the brand name of cast iron produced by a horizontal continuous casting process which is both unique and eco-friendly in United Cast Bar (UCB) materials Inc.
Incorporating more than 120 years of cumulative experience and expertise in the engineering of continuously cast iron, United Cast Bar developed a synergy for technical and manufacturing procedures, quality systems, control parameters, commercial rationalization and supply logistics.
United Cast Bar has the largest portfolio of products available in the industry today.
With its excellent product properties our material is a synonym for high quality standards. Unibar is supplied in a wide range of products, including grey/flake irons as well as
nodular/SG irons.
Unibar Grade
Gray/Flake Nodular/Spheroidal Graphite(SG) Ni Resist
Grade EN16482 Colour Grade EN16482 Colour Grade Colour
Unibar 200(EN-GJL-200C)
Unibar 400-18LT(EN-GJS-400-18C-LT) Unibar NR-F(Flake)
Unibar 250(EN-GJL-250C)
Unibar 400-15(EN-GJS-400-15C)
Unibar NR-S(SG)
Unibar 300(EN-GJL-300C)
Unibar 500+
Unibar 350(EN-GJL-350C)
Unibar 500-7(EN-GJS-500-7C)
Unibar GF(both ends)
Unibar 600-3(EN-GJS-600-3C)
UnibarGP(1end)
Unibar 700-2(EN-GJS-700-2C)
Unibar GFMV Unibar ADI(EN-GJS-800-10~1400-1)
* Please contact us for Unibar GF, GP, GFMV, ADI, NR-F, NR-S materials.
  • UB250
  • UB400-15
  • UB500-7
  • UB500+
  • UB600-3
Unibar Grade and Material Data (Guidance only)
Unibar 250 Unibar 400-15 Unibar 500-7 Unibar 500+ Unibar 600-3
Characteristics Excellent machinability,
surface finish,
thermal conductivity,
noise and vibration damping		 Superior machinability,
surface finish,
fatigue strength,
electrical conductivity,
magnetic permeability
noise and vibration damping		 Higher wear resistance
and increased strength,
good machinability,
surface finish,
noise and vibration damping		 Same wear resistance
and strength as 500-7,
same elongation as 400-15,
excellent noise and
vibration damping		 Higher wear resistance
and strength than 500-7,
improved heat treatment
response, excellent noise
and vibration damping
UTS Newton/㎟(min) 155~195 370~400 420~500 420~500 550~600
0.2% Proof Stress(Min) Notreportable 240~250 290~320 290~320 340~370
Elongation%(Min) 0.8% 11~15% 5~7% 11~15% 1~3%
Brinell Hardness Hardness varies depending on each dimension, and Brinell hardness is tested with a load of 3,000 kg using a 10mm dia steel ball.
Hardness Range BHN 160~230 120~180 170~240 170~240 200~290
Bar Test Pressure Bar 242 625 781 781 938
Port Dimension mm 20
Wall Dimension mm 2
Density 7.3g/cm3
* Note: The above data is based on tests with material machined to a wall thickness of 2 mm, currently used by Parker Hannifin Sweden with Unibar 500-7 and Unibar 600-3 at a pressure of 500 bar.
The above grade specific data varies depending on the thickness of the product.