SpaceX's New WELDING Method on Starship V3's welding will blow your mind!

SpaceX's New WELDING Method on Starship V3's welding will blow your mind!
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#alphatech
#techalpha
#spacex
#elonmusk
#starship
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SpaceX's New WELDING Method on Starship V3's welding will blow your mind!
Hey! Have you seen Starship lately? It’s not just a spacecraft anymore, it’s turning into a work of art.
Just look at Ship 39: mirror-smooth steel, weld lines so clean and straight they look machine-drawn, and almost zero signs of hand finishing. This isn’t just a visual upgrade, it screams next-level engineering.
That’s right! It’s a brand-new welding technique — possibly a major upgrade that could redefine how future Starships are built.
So, what exactly is this new method, and why does it matter so much to the future of spaceflight?
Let’s find out in today’s episode of AlphaTech.
SpaceX's New WELDING Method on Starship V3's welding will blow your mind!
As we know, Starship, SpaceX’s ambitious spacecraft, is made mostly of 304L stainless steel, a super-tough alloy that can handle extreme temperatures and pressure. But, it isn’t made from a single cast.
Instead, SpaceX shapes thin steel plates, just about 4mm thick, and rolls them into massive steel rings. Each ring is about 9 meters wide and 1.8 meters tall. These rings, along with the nose cone, flaps, and other parts, are all made separately at the Starfactory.
Then, these steel rings are stacked and put together like a giant steel tower, making up the body of Starship, which is over 50 meters long. But here’s the thing: since Starship is built from different rings, they’re welded together, and those welds are crucial. They need to keep the structure solid, leak-proof, and strong enough to handle the intense pressure during launch and when re-entering the atmosphere.
SpaceX's New WELDING Method on Starship V3's welding will blow your mind!
A single weak weld could make the whole ship crack or even fall apart in flight. That’s why SpaceX has been constantly improving their welding process, making sure the ship is tough while also giving it that shiny look.
In the beginning, Starship prototypes like Starhopper and Mark1 used hand welding and flux-core welding, but those welds were rough, prone to cracking, and definitely didn’t meet the tough standards required for a spacecraft. By around 2020, starting with the SN7 prototype, SpaceX switched to TIP TIG welding, an upgraded version of TIG welding. This method uses a vibrating welding wire to create smoother, stronger, and nearly flawless welds, making Starship not just more reliable but a true feat of engineering.
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