Steel Tube Material Grade

3 2 to 76 2 mm inclusive in outside diameter.
Steel tube material grade. For more information on grades see table 2 4 which is reproduced below from the steel construction manual 15th ed. Where x is the material type only 1 is specified so far yy is the steel group number specified in en10027 2 and zz zz is a sequential number designated by the certifying body the number in brackets being unused but reserved for later use. Grades of steel are identified by grade numbers or by chemical composition. And the steel day lecture.
This specification covers minimum wall thickness seamless cold drawn low carbon steel tubes for tubular heat exchangers condensers and similar heat transfer apparatus. A709 a913 a992. Industrial tube steel corporation stocks carbon steel rectangular tubing in a513 mechanical and a500 structural grades in a range of sizes and wall thicknesses. Outside diameter measurements for a500 carbon steel tube must be made at positions at least 2 50 8mm from either end of the tubing.
For round structural tubing with nominal od of 1 900 48 26mm and smaller the outside diameter may not vary more than 0 5 rounded to the nearest 0 005 0 13mm of the specified size. In order to clearly distinguish the steel grade tubing casing and its coupling should be. Marking system for steel pipes according to en. And msc s steelwise article are you properly specifying materials.
Steel for tubes and pipelines according to standard en 10020 steel is defined as a material where the weight percentage of iron is higher than that of any other element and carbon content c is less than 2 which is the usual boundary between steel and cast iron. W and all hss shapes are available to view and search by grade.