Ductile iron exhibits a linear stress-strain relation, a considerable range of yield strength and of course, ductility. It is also affected by the heat treatment process. The quality of the ductile iron casting is affected by the presence of elements like silicon, manganese, nickel and phosphorous.
for heavy vehicles like trucks and tractors. Ductile cast iron is used in the automobile industry – especially crankshafts, engine connecting rods, wheel hubs, axels, etc. It is used for many structural applications, particularly those requiring strength and toughness combined with good machinability and low cost. Ductile iron is a major engineering material used for castings. Ductile cast iron has more resistance to corrosion than simple cast iron. Castings made from ductile iron get their flexibility from modular graphite. In addition, ductile iron can also contain traces of manganese, phosphorous, sulphur, tin and copper. Ranging from global foundry groups to small jobbing foundries, CMF Member foundries supply precision finished parts and assemblies in a range of sizes, metals and process to the UK and global markets and generate sales revenues of at least £1.89billion.įor more information on the 2017 Casting Industry Census or on CMF contact: Dr Pam Murrell FICME, Cast Metals Federation, National Metalforming Centre, 47 Birmingham Road, West Bromwich, West Midlands B70 6PY, United Kingdom, Tel: +44 (0) 1, Fax: +44 (0) 1, Email: Web: iron castings are made of an alloy of iron, carbon, silicon and magnesium. The data was collected during late 2017.ĬMF Member foundries represent every part of the sector and manufacture around 85% of all castings produced in the UK. The 2017 Casting Industry Census was commissioned by the Cast Metals Federation and compiled by the Enterprise Research Centre, ERC, University of Warwick Business School from data supplied by 159 CMF Member foundries. “Castings are, and will continue to be, used in all areas of modern life – so perhaps the only question is ‘will they be made here in the UK?’ I certainly hope so, as we have many innovative and highly productive component manufacturers here, adding value and providing skilled jobs to the UK economy”. Clearly, it remains challenging for UK foundries to compete with high energy prices and strict environmental controls, so we cannot compete on price – we need to be efficient and productive, embracing new technologies and automation where appropriate and offering a solution to engineers and designers. Pam Murrell, CEO of the Cast Metals Federation who commissioned the study from the ERC at the University of Warwick Business School, said: “The 2017 Casting Industry Census clearly shows that there is an opportunity for the UK manufacturing sector, and casting supply chain which is integral to it, to supply highly engineered components to the high value manufacturing sector both at home and internationally – we now need the manufacturing environment in the UK to continue to encourage and enable UK firms to develop and grow to take advantage of this opportunity. The direct value of the sector to the UK economy is almost £2 billion but taking into account the diverse range of sectors served, the impact to the UK economy will be higher. The census also confirmed the wide range of high value sectors that rely upon components manufactured using the casting process, from the more obvious ones such as aerospace to automotive, through to the chemical industry, defence and renewable energy – indeed all sectors that serve our modern technologically enabled lives rely to some degree on liquid metal engineering. The UK investment casting sector makes up 50% of the European market, with Europe accounting for 43% of the world share, so the UK investment casting industry is globally significant, according to figures from the European Investment Casters’ Federation quoted in the census. Indeed, 16% of the total industry turnover was exported making it a significant part of the industry’s income. For larger companies, with over 100 employees, 50% of turnover is being exported (for companies with over 50 employees the figure was almost 41%). Nearly 50% of UK foundries export castings, with 80% of these exports going into the EU – such are the findings of the 2017 Casting Industry Census published this month.
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