NF E29-043:1990 Industrial pipework. Non alloy and alloy. Steel bolting for flanged assemblies of pipeworks, boilers and pressure vessels. Specifications.
2010NF E29-042-4:2010 Flanges and their joints - Bolting - Part 4 : selection of bolting for equipment subject to the Pressure Equipment Directive 97/23/EC.
2005NF E29-043:2005 Non alloy and alloy steel bolting for pressure equipement - Specifications.
1990NF E29-043:1990 Industrial pipework. Non alloy and alloy. Steel bolting for flanged assemblies of pipeworks, boilers and pressure vessels. Specifications.