This standard specifies the dimensions, appearance, specifications, packaging, marking and quality of stainless steel pipes for automobile semi-trailer axles. This standard is applicable to the modification orders (excluding errata content) or revised versions of the following documents] YB/T 4203 —2009 Certificate of quantity of seamless steel pipes for automobile semi-trailer axles. Quantity and allowable deviation technical requirements test methods and inspection regulations hot chopsticks seamless steel pipes for automobile semi-trailer axles.
YB/T 4203-2009 history
2009YB/T 4203-2009 Seamless Steel Tubes for Automobile Semi-trailer Axles