... Standard descriptionHot finished structural hollow sections of non-alloy and fine grain steel.EN 10210 steel pipes ManufacturingHollow sections should be manufactured ... Steel grades usedNon-alloy steel:S235JRH, S275JOH, S275J2H, S355JOH, S355J2HFine grain steel:S275NH, S275NLH, S355NH, S355NLH, S460NH, S460NLHEN 10210 steel pipes ...