Brass as the raw material is used for making brass door. Brass door makes the best of both worlds, on the one hand, it takes advantage of the merit of the security door; on the other hand, it abandons its demerit in unsightly. With the development of economy, there will be more and more people realize that brass has its superiority as decoration material.
Kobber-nikkellegeringer Tubing Kobbernikkel eller kobber-nikkel er en legering af kobber, der indeholder nikkel og styrkelse elementer, såsom jern og mangan. Kobber-nikkellegeringer er meget modstandsdygtig over for korrosion i havvand, fordi dens elektrodepotentiale kan justere at være neutrale med hensyn til seawater.Copper...