United Cast Bar Unibar 700-2 Continuously Cast Spheroidal Graphite Iron

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United Cast Bar Unibar 700-2 Continuously Cast Spheroidal Graphite Iron
Categories:	Metal; Ferrous Metal; Cast Iron; Gray Cast Iron
Material Notes:	Offers higher wear resistance; strength & heat-treatment response while still possessing reasonable machinability and excellent surface finish. Noise and vibration damping are good in this grade. Unibar 700-2 can be hardened by conventional methods, to Rc 50 on the bar surface, responds well to austempering (ADI). Information provided by United Cast Bar Ltd.
Key Words:	EN-1563-GJS-700-2 GGG70; Meehanite SP700.
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Physical Properties	Original Value	Comments

Density	7.30 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Brinell	230 - 305 @Load 3000 kg	10 mm ball
Tensile Strength	660 MPa @Diameter 105 - 200 mm
	660 MPa @Diameter 205 - 600 mm
	700 MPa @Diameter 25.0 - 50.0 mm
	700 MPa @Diameter 55.0 - 100 mm
Tensile Strength, Yield	380 MPa @Diameter 105 - 200 mm, Strain 0.2 %
	380 MPa @Diameter 205 - 600 mm, Strain 0.2 %
	400 MPa @Diameter 55.0 - 100 mm, Strain 0.2 %
	420 MPa @Diameter 25.0 - 50.0 mm, Strain 0.2 %
Elongation at Break	1.0 % @Thickness 105 - 200 mm
	1.0 % @Thickness 205 - 600 mm
	2.0 % @Thickness 25.0 - 50.0 mm
	2.0 % @Thickness 55.0 - 100 mm

Component Elements Properties	Original Value	Comments
Carbon, C	3.25 - 3.7 %
Iron, Fe	92.83 - 94.19 %	as balance
Magnesium, Mg	0.040 - 0.070 %
Manganese, Mn	0.10 - 0.30 %
Phosphorus, P	0.015 - 0.080 %
Silicon, Si	2.4 - 3.0 %
Sulfur, S	0.0050 - 0.020 %

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NUNITED09 / 160456

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