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Case Study: Welding Thick Stainless Steel

FROM TWO DAYS TO UNDER ONE HOUR – REVOLUTIONIZING THICK SECTION WELDING

The Challenge: Welding Thick Stainless Steel
Welding thick stainless steel sections presents significant challenges, particularly
with conventional techniques like Tungsten Inert Gas (TIG) welding. While TIG is known
for its precision, it struggles with:

  • Multiple Passes: Up to 10 passes required for 20mm thick sections

  • Excessive Heat Input: Leading to large heat-affected zones (HAZ)

  • Severe Distortion: Causing misalignment and necessitating post-weld corrections

  • Extended Production Time: Over 2 days to complete a single weld

These challenges result in higher operational costs, longer production cycles, and
increased risk of defects

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Feasibility Test: TIG vs. Dynamic Beam Laser

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The Solution: Dynamic Beam Laser (DBL)

Civan’s Dynamic Beam Laser technology addresses these challenges,
providing a faster, cleaner, and more efficient solution for welding
thick stainless steel.

TIG Welding – High Distortion and Long Cycles

  • Required 10 passes to weld the 20mm thick stainless steel

  • Resulted in extensive heat input and large HAZ

  • Caused significant distortion, leading to misalignment

  • Total Welding Time: 540 minutes (~9 hours)

  • Including setup and corrections, the full process spanned 2 days

Key Findings

Dynamic Beam Laser – Single Pass, No Distortion

  • Completed the same 20mm weld in a single pass

  • Achieved deep penetration with minimal heat input

  • Produced a clean weld with no distortion

  • Total Welding Time: 60 minutes

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