Steel Suppliers and stockholders - Steel Express

Grade 400 SG Iron - EN-GJS-400-18 & EN-GJS-400-15

Grade 400 SG iron can be supplied in two material variations EN-GJS-400-18 and EN-GJS-400-15 (formerly BS 2789 grade 400-18, and grade 400-15). The final number in the grade refers to the percentage elongation. Steel Express can supply 400-18 and 400-15 SG iron in bars up to 3m in length, stock can be cut to length as required. Our SG iron (ductile iron) is supplied conforming to BS EN 1563 and can be delivered throughout the UK.

EN-GJS-400-18 and EN-GJS-400-15 are SG iron grades containing graphite nodules or spheres, Spheroidal Graphite. The rounded graphite nodules produces a more ductile cast iron that inhibits the formation of cracks. SG iron has a greater fatigue and impact resistance compared to grey iron.

EN-GJS-400-15 and EN-GJS-400-18 SG iron supplied conforming to BS EN 1563 (2011), equivalent to ISO 1083 (2004)
Material Grade (BS EN 1563) BS 2789 grade Elongation min % Tensile strength N/mm2 Hardness HB
EN-GJS-400-18 Grade 400-18 18 400 <175
EN-GJS-400-15 Grade 400-15 15 400 <180

EN-GJS-400-15 is also know as grade Grade 400-15 (BS 2789), GGG40 (DIN 1693) and internationally 400-15 (ISO 1083)

Forms available:

EN-GJS-400-18 and EN-GJS-400-15 SG iron rounds:
25mm diameter to 450mm diameter    
 
Standard bar lengths are 3 metres.

Steel Express can supply a full range of grey iron and SG iron bar.  If you need assistance in finding the right grade of cast iron,  please call our team who are always on hand to help.

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Steel Express

Based in Wolverhampton, West Midlands, Steel Express are steel suppliers and stockholders. Stock is delivered on our own fleet of vehicles locally and nationally quickly and efficiently on the day we say we will.

We also provide a free issue cutting service, press braking, fabrication and forging.

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