BS2789 Grade 400-15 SG Iron

BS2789 Grade 400-15 SG iron stockholders and suppliers, delivering to the whole of the UK. West Yorkshire Steel are suppliers of continuously cast bar, available in diameters and a limited range of flat sections. Sometimes referenced as a ductile iron BS2789 Grade 400-15 is a spheroidal graphite iron that possesses strength, impact and ductile properties of a different type to that of grey cast iron specifications, though with similar machining characteristics.

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

Related Specifications

BS EN 1563 EN16482 EN GJS 400-15 60-40-10 65-45-12
FGS420-12 SF400 SFP400 DIN 1693 ISO 185 250

Alternative Cast Iron Grades

Spheroidal Graphite Iron | 420-12 | 500-7 | 600-3 | 700-2 |    Cast Iron200 | 220 | 250 | 260 | 300 | 350 |

Form of Supply

Supplied as round bar and a limited size range in flat bar. BS2789 Grade 400-15 diameters and flats are available in 3 metre bar lengths and can be sawn to cut lengths to your requirements.

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  • Flat
  • Diameter

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BS2789 Grade 400-15 SG iron is suitable for applications where the electrical conductivity, optimal impact, fatigue and magnetic permeability features of a spheroidal graphite iron (SG iron) is required. Typical applications include dies, pistons, valves and moulds.

Carbon 3.40-3.85% Phosphorous 0.10% max
Manganese 0.10-0.30% Sulphur 0.02% max
Silicon 2.30-3.10% Magnesium 0.07% max
Iron balance

400 15 120-180

Mechanical properties shown are typical and may vary subject to the size and section of this sg iron grade.

BS2789 400-15 SG Iron  is available with a certificate of conformity, please request when placing any orders.

BS2789 EN1563 SG Iron to grade 400-15 is supplied in accordance with our ISO 9001:2015 registration.