Source link : https://europ.info/2026/08/14/swedens-rushed-welds-on-australias-collins-class-submarines-quadrupled-repair-time-for-the-first-vessel/
In a revealing development, it has come to light that Sweden expedited the welding work on Australia’s Collins-class submarines, a decision that has had significant repercussions for the fleet’s maintenance schedule. According to recent reports, rectifying the rushed welds has caused repair times to balloon, with the first submarine spending four times longer in dock than initially planned. This unexpected setback raises critical questions about quality control in international naval collaborations and the operational readiness of Australia’s submarine force.
Sweden’s Welding Errors Undermine Collins-Class Submarine Upgrade Efforts
Behind the ambitious upgrade of Australia’s Collins-class submarines lies a significant snag stemming from Swedish subcontractors’ rushed welding work. The hurried execution compromised structural integrity, forcing extensive rework once defects surfaced during routine inspections. What was initially slated to be a swift dockyard turnaround ballooned, resulting in the first submarine spending nearly four times longer than anticipated in dry dock. This delay not only disrupted Australia’s naval modernization timeline but also highlighted critical lapses in quality control and project oversight.
Key issues identified included:
- Inconsistent weld thickness and penetration
- Non-compliance with international submarine welding standards
- Multiple weld failures detected during pressure testing
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Author : Victoria Jones
Publish date : 2026-08-14 08:35:00
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