BS2789 Grade 700-2 SG Iron suppliers and stockholders, delivering to the whole of the UK. West Yorkshire Steel are suppliers of 700-2 SG iron bar in diameters and a limited range of flat sections. Sometimes referenced as a ductile iron BS2789 Grade 700-2 is a spheroidal graphite iron that offers better strength, wear resistance and hardening capabilities to that of 600-3 SG iron grade. Related SpecificationsBS EN 1563 EN16482 EN GJS 600-3 GGG60 70-50-05 SP600 SFP600