All butt, grooved t, and corner joints shall be complete joint penetration weld joints.
所有对接、T型槽和弯管接头都要完全侵入连接到焊接接头上。
2
The results show that after TIG arc remelting treatment, the T-jointweld toe area can improve the shape of the weld toe, however, the area till shows a tensile residual stress state.