... Products High chromium welded seamless steel pipe Specifications NameQ235 chromium carbide seamless steel pipe BrandRKColorbrownDiameteras customer's require Thickness of wear ... resistant layer as customer's requireThickness of pipe wall 5-30mmLength can be customizedHardness HRC57-62Standard DIN,GBCertificates ISO9001:2000Specifications ... ,6+4,8+4,10+4,6+5,8+5,10+5,15+5,20+5,6+6,8+6,10+6,20+6,8 ...