T-joints are widely used in steel structural components as a connecting weld that can withstand forces and moments in all directions. Try to avoid single sided fillet welds when selecting them、 as they have deep notches at the root and have low load-bearing capacity. For welding parts with higher requirements、 K-shaped grooves can be used、 and the root penetration can be determined based on the stress condition. This is more economical than using large welding legs without grooves、 and the joint fatigue strength is high p>
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