United Cast Bar Unibar 250 Continuously Cast Iron

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United Cast Bar Unibar 250 Continuously Cast Iron
Categories:	Metal; Ferrous Metal; Cast Iron; Gray Cast Iron
Material Notes:	Offers a good combination of strength and wear resistance, while still possessing good machinability and produces excellent surface finishes. Noise and vibration damping are excellent in this grade. Unibar 250 is not recommended for hardening applications and heat treatment. Information provided by United Cast Bar Ltd.
Key Words:	EN-1561-GJL-250 GG25; Meehanite GD250.
Vendors:	No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Metric	English	Comments

Density	7.30 g/cc	0.264 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	160 - 230 @Load 3000 kg	160 - 230 @Load 6610 lb	10 mm ball
Tensile Strength	155 MPa @Diameter 150 - 300 mm	22500 psi @Diameter 5.91 - 11.8 in
	170 MPa @Diameter 80.0 - 150 mm	24700 psi @Diameter 3.15 - 5.91 in
	195 MPa @Diameter 40.0 - 80.0 mm	28300 psi @Diameter 1.57 - 3.15 in
	225 MPa @Diameter 20.0 - 40.0 mm	32600 psi @Diameter 0.787 - 1.57 in

Component Elements Properties	Metric	English	Comments
Carbon, C	2.95 - 3.45 %	2.95 - 3.45 %
Iron, Fe	92.63 - 94.26 %	92.63 - 94.26 %	as balance
Manganese, Mn	0.55 - 0.75 %	0.55 - 0.75 %
Phosphorus, P	0.10 - 0.20 %	0.10 - 0.20 %
Silicon, Si	2.1 - 2.9 %	2.1 - 2.9 %
Sulfur, S	0.040 - 0.070 %	0.040 - 0.070 %

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NUNITED02 / 160449

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