Cast Iron Bar

Cast iron is available in 3 metre bar lengths or can be cut to your requirements


Cast Iron  stockholders and suppliers, delivering to the whole of the UK. Cast Iron bar is supplied conforming to designations BS1452 BS EN 1561 and BS EN 2789. West Yorkshire Steel are suppliers of continuous cast iron round bar and flat bar. Continuously cast iron bar provides consistent mechanical properties with good machineability to produce a good surface finish. Grey iron cast bar has a microstructure that consists of graphite nodules in a solid metal matrix, similar to that of carbon steel. With its dense homogeneous structure cast iron bar provides good mechanical properties such as strength and wear resistance. The graphite structure gives it higher noise and vibration damping capacity than that of a carbon steel. Also known as grey iron or ductile iron, cast iron weighs approximately 10% less than that of steel. spheroidal graphite irons are also produced as continuous cast bar offer good strength and ductility.

We welcome export enquiries for cast iron bar. Contact our sales office and consult our shipping policy for further details.

Related Specifications

BS EN 1561 GA300 GA350 EN16482 EN GJL 250 260 EN GJS 500-7 DIN 1691 GG25 ISO 185

Form of Supply

West Yorkshire Steel are suppliers of round and flat bar. Cast iron bar is available in 3 metre bar lengths or bars and can be cut to your specific requirements.

  • Flat
  • Diameter

Click on the headings below for further information

Applications

Cast Iron bar is used widely in a wide range of sectors such as the glass, automotive, machine tools and oil and gas industries. Typical applications include pistons, valve bodies, moulds, dies, cams, gears and pulleys.



Cast Irons remain the most used casting alloy despite a large reduction in production over the years. Their popularity stems from relatively low cost production costs and the wide range of properties that can be achieved by careful control over composition and cooling rate without radical changes in production methods. For engineering applications cast irons are available in two common types, grey flake irons and spheroidal graphite irons.


Grey flake irons are the most used of the general engineering irons. The name derives from the characteristic grey colour of the fracture surface and the graphite morphology.  They are readily machineable and are resistant to sliding wear. They have high thermal conductivity, low modulus of elasticity and an ability to withstand thermal which makes them suitable for applications subjected to local or repeated thermal stressing. The properties of grey flake irons depend on the size, amount and distribution of the graphite flakes and the matrix structure. Grey Iron is produced under austere metallurgical conditions. It is processed according to section thickness to give a dense homogeneous structure, which enables consistent mechanical properties and a good surface finish on machining. There are small graphite flakes in continuous cast iron bar which acts as chip breakers to cutting tools. Grey Iron has a much greater damping capacity than that of steel, so it will absorb vibrational stresses that much more easily.


Also known as ductile, nodular and spherulitic its introduction is usually credited to the presentations made at the American Foundryman’s Congress in Philadelphia USA in 1948 with rapid increased production in the later part the the 20th century. Spheroidal graphite irons are inferior to grey irons in respect to physical properties such as thermal conductivity but exhibit better mechanical properties. The make suitable alternatives to steel and grey irons. Spheroidal graphite iron production aims for fine and uniform distribution of perfectly shaped spheroids which helps achieve good mechanical properties. The strength and ductility of SG irons are comparable to that of low carbon mild steels and low alloy steels. As with grey irons the small graphite nodules act as chip breakers, allowing fact machining rates. The wear resistance, self-lubricating and oil retaining properties of SG irons are also excellent.


Great Britain
BS EN 1561
U.S.A
AISI/SAE/ASTM
Germany
W-Nr / Din 1651
Italy
UNI
Japan
JIS
Spain
UNE
Sweden
SIS
EN GJL Grade 200A48 class 300.6020 GG20G20FC200FG20120
EN GJLGrade 220A48 class 35
EN GJL Grade 250A48 class 400.6025 GG25G25FC250FG25125
EN GJL Grade 300A48 class 450.6030 GG30G30FC300FG30130
EN GJL Grade 350A48 class 550.6035 GG35G35FC350FG35135


Great Britain
BS EN 2789
U.S.A
AISI/SAE
Germany
W-Nr Din
Italy
UNI
Japan
JIS
Spain
UNE
Sweden
SIS
EN GJS 420-12A536 60-40-180.7040 GG40GS 400-12FCD 400GGG400717-02
EN GJS 400-15
EN GJS 500-7A536 80-55-060.7050 GG50GS 500-7FCD500GGG500727-02
EN GJS 600-30.7060 GG60GS 600-3FCD 600GGG600732-03
EN GJS 700-2A536 100-70-030.7070 GG70GS 700-2FCD 700GGG700737-01


Cast Iron and Spheroidal Graphite Iron grades are also available produced as castings. Castings can sometimes be offered as an alternative option when no suitable size or grade is available in continuous cast bar.


Cast iron and spheroidal graphite iron is commonly supplied with a certificate of conformity, if required please request when placing any order.  Full chemical and mechanical certificates can be offered at extra costs, if this is a requirement please make this known to our sales team at the time of placing your enquiry.


Our grades of cast Iron bar are supplied in accordance with our ISO 9001 : 2008 registration.