This standard is the standard for non-destructive testing of gas cylinder butt welds by X-ray real-time imaging. This standard applies to the non-destructive testing of butt welds of gas cylinders made of steel and non-ferrous metal materials with a base metal thickness of 2.0-20.0mm.
GB 17925-1999 history
2011GB/T 17925-2011 Standard practice for X-ray digital radioscopic examination of cylinder weld
1999GB 17925-1999 Standard practice for X-ray real-time examination of cylinders weld
GB 17925-1999 Standard practice for X-ray real-time examination of cylinders weld was changed to GB/T 17925-2011 Standard practice for X-ray digital radioscopic examination of cylinder weld .