6. Glossary
lamellar tearing; arrachement lamellaire
Cracking caused by shrinkage during welding, on wrought material with a high concentration of flattened, unfavorably oriented micro-inclusions.
chamfering; chamfering
Mechanical or thermal operation to geometrically prepare the edges of parts prior to welding.
section class; plasticity class
Numerical index (1 to 4) characterizing the ability of a bent beam section to tolerate the formation of a plastic hinge.
fatigue class
Allowable stress range at 2.10 6 cycles characterizing a welded detail (or not) of realization conforming to a given quality level and assigned a probability of survival equal to 97%.
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Bibliography
Regulations
Decree no. 99-1046 of December 13, 1999 on pressure equipment.
Other norms and standards
- Eurocode 3 – Structural steel design – Part 1-1: General rules and rules for buildings - NF EN 1993-1-1 (10-05) -
- Annexe à la précédente - NF EN 1993-1-1 NA (08-13) -
- Welding and related techniques – Types of joint preparation – Part 1: Manual arc welding with coated electrodes, gas-shielded arc welding with fuse electrodes, gas welding, beam welding of steels - NF EN ISO 9692-1 (11-13) - ...
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