GB/T 21832 Austenitic-Ferritic (duplex) Grade Stainless Steel Welded Tubes and Pipes Spec: Material:329J3L 1.4462 Size Range:OD:4-1200mm WT:0.3-200mm General Length:3-12m Tolerance: According to the following tables or customers’ request. Mechanical Property No. Unified digital code Steel Grade ...

EN 10305-3 / 28Mn6 Welded Cold-Sized Carbon Steel Tube for Precision Applications Material Overview EN 10305-3 (Welded Cold-Sized Tubes) defines the technical delivery conditions for welding cold-sized steel tubes used in precision applications.“28Mn6” (steel number 1.1170) is a heat-treatable, ...

GB 6479 Carbon Steel Seamless Steel Tube for Chemical Fertilizer Equipment Product Overview GB/T 6479 seamless steel tubes are designed for pressure-bearing pipelines and equipment used in fertilizer production and other chemical-processing systems. The specification covers carbon steel, low-alloy ...

E355+N Carbon Steel Seamless Hollow Bars Cold Drawn Precision Tube for Mechanical Applications Material E355+N is a non-alloy carbon steel seamless precision tube grade, steel number 1.0580, commonly used in the EN precision-tube and mechanical-tube system. In practical sourcing, it is generally ...