... : B,Si,C,Al,P,S Ferro boron is applied to iron making, foundry and used as boron element additive in ... we just need ultra low volume of boron to improve hardenability obviously to replace a great deal of alloy element. In addition, it ... , cold deformation, welding properties and high temperature properties etc.Packaging & Delivery Packaging Detail:1mt big bagDelivery Detail:25days from reiveing L ...