Covers welded steel tubes intended for use in the manufacture of steel rolls for conveyor belt idlers. Requirements are laid down for material and physical properties, dimensions, straightness, ovality, scarfing and freedom from defects, also includes th
SANS 657-3:2005 history
0000 SANS 657-3-2015
2011BS ISO 16073:2011 Wildland firefighting personal protective equipment. Requirements and test methods
2005SANS 657-3:2005 Steel tubes for non-pressure purposes Part 3: Steel tubes for rolls for conveyor belt idlers