Workshop Technology
For gas welding, the pressure desired at the welding torch for oxygen is

560 to 840 kN/m²
280 to 560 kN/m²
70 to 280 kN/m²
7 to 103 kN/m²

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Workshop Technology
Spot welding is used for welding

Lap joints in plates having 0.025 mm to 1.25 mm thickness
Butt joints in plates having thickness above 3 mm
Lap joints in plates having thickness above 3 mm
Butt joints in plates having 0.025 mm to 1.25 mm thickness

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