| 熔接設計 | 填角熔接的喉深區域 A [mm 2 、in 2 ] | |
| 對於熔接全長 | 對於承載 (有效) 熔接長度 | |
| 
 | A = a L | A = a (L - 2 a) | 
| 
 | A = a (H + B) | A = a (H + B - 2 a) | 
| 
 | A = a 2 H | A = a 2 (H - 2 a) | 
| 
 | A = a 2 B | A = a 2 (B - 2 a) | 
| 
 | A = a (H + 2 B) | A = a (H + 2 B - 2 a) | 
| 
 | A = a (2 H + B) | A = a (2 H + B - 2 a) | 
| 
 | A = a 2 (H + B) | - | 
| 
 | A = 2 π a (r + a / 2) | - | 
| 
 | A = a 2 L | A= a 2 (L - 2 a) | 
| 
 | A = a (2 H + B),A = a (2 H + B - 2 t) | A = a (2 H + B - 6 a),A = a (2 H + B - 2 t - 6 a) | 
| 
 | A = a 2 (H + B) | - | 
| 
 | A = a 2 (H + B),A = a 2 (H + B - 2 t) | A = a 2 (H + B - 4 a),A = a 2 (H + B - 2 t - 4 a) | 
| 
 | A = a 2 (H + 2 B),A = a 2 (H +2 B - s) | - | 
| 
 | A = a 2 (H + B),A = a 2 (H + B - 2 t) | A = a 2 (H + B - 4 a),A = a 2 (H + B - 2 t - 4 a) | 
| 
 | A = a 2 (2 H + B),A = a 2 (2 H + B - s) | - | 
所用變數的含義:
| a | 填角熔接高度 [mm, in] | 
| B | 熔接群組寬度 [mm, in] | 
| H | 熔接群組高度 [mm, in] | 
| L | 熔接長度 [mm, in] | 
| r | 熔接半徑 [mm, in] | 
| s | 腹板厚度 [mm, in] | 
| t | 凸緣厚度 [mm, in] |