... short pipe.Carbon steel,Quality carbon steel,Nodular cast iron,Stainless steel.Q235-A,20,35,45,QT400-15,0cr18Ni9,00Cr17Ni14Mo2GB ... -1992Bolt,Stud,Power Screw,Nut.Carbon steel,Quality carbon steel,stainless steelQ235A,35,45,00Cr17Ni14Mo2,1Cr18Ni10TiGB/T4237-1992GB/T700-1998GB/T699 ...