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Cast Iron in Round, Square and Rectangle Bar

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P&P Non Ferrous  currently stock Grade 250 c , Grade 400-15c and Grade 500-7c in Cast Iron. Our ability to cut large quantities of Cast Iron billets on short lead times has made us extremely competitive not only on price but also on delivery.

We stock cast iron in round bar, square bar and rectangle bar. Please see chart below .

 

 

 

FormGrade 250cGrade 400-15cGrade 500-7c
Round Barroundroundround
Square Bar
Rectangle Barflats

 

 

 

Mechanical Properties

 

  GradeMarkingHardnessTensileElongationStructure
     (HB)strength
 N/mm2  (%)
EN-GJL-250Cred170-240195-155-pearlitic/ferritic
EN-GJS-400-15Cyellow & red120-180400-37015%ferritic
EN-GJS-500-7Cyellow & blue150-230500-4207%ferritic/pearlitic

 

About Cast Iron

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Cast iron is a group of iron-carbon alloys with a carbon content greater than 2%. Its usefulness derives from its relatively low melting temperature. The alloy constituents affect its colour when fractured: white cast iron has carbide impurities which allow cracks to pass straight through; grey cast iron has graphite flakes which deflect a passing crack and initiate countless new cracks as the material breaks; ductile cast iron has spherical graphite "nodules" which stop the crack from further progressing.

Cast iron tends to be brittle, except for malleable cast irons. With its relatively low melting point, good fluidity, castability, excellent machinability, resistance to deformation and wear resistance, cast irons have become an engineering material with a wide range of applications and are used in pipes, machines and automotive industry parts, such as cylinder heads (declining usage), cylinder blocks and gearbox cases (declining usage). It is resistant to destruction and weakening by oxidation (rust).

 

 

 

 

 

 

 

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