Boiler pipes often in high temperature and high pressure work,pipe smoke and water at high temperature steam oxidation and corrosion effects will occur,因此需要持久的年代teel with high strength,高的抗氧化性能,and good organizational stability,high pressure boiler tube in addition to chemical composition and mechanical properties,hydrostatic testing done by the root,to be flaring, সমরূপতার পরীক্ষা.Steel to heat treatment delivery. এছাড়াও,the finished steel microstructure,grain size,there are certain requirements decarburization.Specification of Seamless Boiler Steel Pipe& নল :Standard Material Type Process GB/T3087-2008, গিগাবাইট / T5310-2008 20#, 10#, 20জি, 25MNG, 15গান MOG, 15CrMoG, […]