Gas welding techniques — direction of travel When a gas-weld bead is laid from left to right, this technique is known as what?

Introduction / Context:
Oxy-fuel gas welding commonly uses two torch techniques: forehand (leftward) and backhand (rightward). The names refer to torch angle and the direction of travel relative to the weld pool and filler rod. Correct identification helps in choosing bead shape, penetration, and speed for a given joint.

Given Data / Assumptions:

• Welding process: oxy-acetylene gas welding.
• Direction specified: bead laid from left to right.
• Standard definitions of leftward and rightward techniques are used.

Concept / Approach:
In forehand (leftward) welding, the torch points in the direction of travel and the bead progresses from right to left. In backhand (rightward) welding, the torch points opposite to the direction of travel and the bead progresses from left to right. Backhand is favored for thicker sections due to deeper penetration and higher travel speed, while forehand suits thin sheets with better visibility and control.

Step-by-Step Solution:
Identify the stated direction: left to right.Match with conventional terminology: left-to-right travel corresponds to backhand (rightward) technique.Therefore, the correct designation is Backhand (rightward) welding.

Verification / Alternative check:
Standard welding texts depict torch angles and filler placement for both techniques, showing left-to-right motion as the rightward/backhand method.

Why Other Options Are Wrong:
“Forehand (leftward)” is right-to-left; “Agree/Disagree” are not specific technique names; “Neutral flame welding only” describes flame chemistry, not travel direction.

Common Pitfalls:
Confusing flame type (neutral, oxidizing, carburizing) with torch technique; they are independent choices.

Final Answer:
Backhand (rightward) welding