The ABC's of Arc Welding
The effective throat of a combination partial joint penetration groove weld and a fillet weld shall be the shortest distance from the joint root to the weld face of the diagrammatic weld minus 1/8 in. (3 mm) for any groove detail requiring such deduction (see Figure 3.3 and Annex I). 2.4.2 Length 2.4.2.1 Effective Length (Straight).
Fillet Weld Legs Determine Size and Throat of Fillet Welds
As shown, the maximum measure throat dimension would be 0.264' based on this calculation. A proper gauge measuring the actual throat dimension should be used to assess if this criteria has been. Effective wall thickness 有效厚度 effective throat thickness 焊缝有效厚度; 有效焊喉厚度; 有效焊缝厚度; 焊缝计算厚度 effective shell thickness 壳板有效厚度. Effective Throat for Flare Bevel and Flare Groove Welds Effective Throat for Flare Bevel and Flare Groove Welds. Primary Investigator(s): J.A. Frater Institution: University of Toronto; Year Completed: 2003; Report Number: 3177; View PDF. 130 East Randolph, Suite 2000, Chicago, IL, 60601.
In heavy machinery, ships, and buildings, extensive frameworks and intricate angles may be composed of many kilometers of welded joints. Among them, fillet welds are used to join corners, Ts. and lap joints because they are more economical than groove welds. That is, fillet welded joints are simple to prepare from the standpoint of edge preparation and fit-up.
The strength of a fillet weld is based, in the design, on the product (effective area of the weld: T x W) of the theoretical throat (design throat thickness) and effective weld length as shown in Fig. 1. Fillet weld legs determine fillet weld sizes. Fillet weld sizes are measured by the length of the legs of the largest right triangle that may be inscribed within the fillet weld cross section.
Fig. 1 — Fillet weld measurements: L: Leg length, S: Fillet weld Size, T: Theoretical throat, V: Convexity, C: Concavity, W: Effective weld length
Fillet weld sizes determine theoretical throat. The product of the size and cos45° in case where an isosceles right triangle may inscribe within the fillet weld cross section: S x cos45° = 0.7S, as shown in Fig. Matthew hussey member area. 2.
Fig. 2 — How to calculate theoretical throat
Fillet weld sizes must be large enough to carry the applied load, but the specified fillet weld size should not be excessive to minimize welding distortion and costs. AWS Dl.l (Structural Welding Code ― Steel) specifies the minimum fillet weld size for each base metal thickness: e.g. 6-mm size for thickness over 12.7 up to 19.0 mm. AWS Dl.l also specifies the maximum convexity, because excessive convexity may cause stress concentration at the toes of the fillet weld, which may result in premature failure of the joint. In quality control of fillet welds on actual work, leg or size, throat, convexity, and concavity are inspected by using several types of welding gages. Fig. 3 shows a multipurpose gage measuring a fillet weld leg.
Fig. 3 — Measuring a fillet weld leg by means of a multipurpose welding gage
Effective Throat Thickness
The ABC's of Arc Welding
The effective throat of a combination partial joint penetration groove weld and a fillet weld shall be the shortest distance from the joint root to the weld face of the diagrammatic weld minus 1/8 in. (3 mm) for any groove detail requiring such deduction (see Figure 3.3 and Annex I). 2.4.2 Length 2.4.2.1 Effective Length (Straight).
Fillet Weld Legs Determine Size and Throat of Fillet Welds
As shown, the maximum measure throat dimension would be 0.264' based on this calculation. A proper gauge measuring the actual throat dimension should be used to assess if this criteria has been. Effective wall thickness 有效厚度 effective throat thickness 焊缝有效厚度; 有效焊喉厚度; 有效焊缝厚度; 焊缝计算厚度 effective shell thickness 壳板有效厚度. Effective Throat for Flare Bevel and Flare Groove Welds Effective Throat for Flare Bevel and Flare Groove Welds. Primary Investigator(s): J.A. Frater Institution: University of Toronto; Year Completed: 2003; Report Number: 3177; View PDF. 130 East Randolph, Suite 2000, Chicago, IL, 60601.
In heavy machinery, ships, and buildings, extensive frameworks and intricate angles may be composed of many kilometers of welded joints. Among them, fillet welds are used to join corners, Ts. and lap joints because they are more economical than groove welds. That is, fillet welded joints are simple to prepare from the standpoint of edge preparation and fit-up.
The strength of a fillet weld is based, in the design, on the product (effective area of the weld: T x W) of the theoretical throat (design throat thickness) and effective weld length as shown in Fig. 1. Fillet weld legs determine fillet weld sizes. Fillet weld sizes are measured by the length of the legs of the largest right triangle that may be inscribed within the fillet weld cross section.
Fig. 1 — Fillet weld measurements: L: Leg length, S: Fillet weld Size, T: Theoretical throat, V: Convexity, C: Concavity, W: Effective weld length
Fillet weld sizes determine theoretical throat. The product of the size and cos45° in case where an isosceles right triangle may inscribe within the fillet weld cross section: S x cos45° = 0.7S, as shown in Fig. Matthew hussey member area. 2.
Fig. 2 — How to calculate theoretical throat
Fillet weld sizes must be large enough to carry the applied load, but the specified fillet weld size should not be excessive to minimize welding distortion and costs. AWS Dl.l (Structural Welding Code ― Steel) specifies the minimum fillet weld size for each base metal thickness: e.g. 6-mm size for thickness over 12.7 up to 19.0 mm. AWS Dl.l also specifies the maximum convexity, because excessive convexity may cause stress concentration at the toes of the fillet weld, which may result in premature failure of the joint. In quality control of fillet welds on actual work, leg or size, throat, convexity, and concavity are inspected by using several types of welding gages. Fig. 3 shows a multipurpose gage measuring a fillet weld leg.
Fig. 3 — Measuring a fillet weld leg by means of a multipurpose welding gage
Effective Throat Thickness
Constant Thickness In Throat
