Debunked: Thermite Slag on WTC beams [Oxy Cutting Slag]

Mick West

Administrator
Staff member
During the investigation several pieces of WTC steel were cut up, for example:
Metabunk 2018-01-31 12-03-18.jpg
Redf: /11datasets.org/International_Center_for_911_Studies_NIST_FOIA/Release_09/Release 9/WTC-FOIA/Banovic/ALL PICTURES/Outside Pictures/CUTTING OF SAMPLES/WTC 02-10-04 (CUTTING OF SAMPLES)

This was done with an Oxy-Acetylene torch, seen here:
Metabunk 2018-01-31 12-04-50.jpg

Note the distinctive slag and rippled surface.
Metabunk 2018-01-31 12-07-40.jpg
Cutting with an oxy torch makes slag, as it works by oxidizing the steel (burning it away).

Metabunk 2018-01-31 12-12-17.jpg Metabunk 2018-01-31 12-11-13.jpg
This can be cleaned up, it just chips off.

For demolition and quick cuts the line is not always the straightest, and slag production (and cleanup) is not a concern. Metabunk 2018-01-31 12-19-08.jpg

Metabunk 2018-01-31 12-20-03.jpg

Metabunk 2018-01-31 12-21-19.jpg
So when you see a beam cut like this, it's not evidence of "thermite" cutting. It's evidence of oxy cutting.
Metabunk 2018-01-31 12-22-03.jpg
 
Last edited:
Before:
KB-pieceK-B-Steficek-Dsc00703.jpg
Ref: 911datasets.org/International_Center_for_911_Studies_NIST_FOIA/Release_32/Release 32/42A0375 - G33D9/WTCI-102-I -GMS-CD#8-Multiple STEEL/Keasbey/K-A-B&C

After:
KB-pieceK-B-Steficek-Dsc00710.jpg
Note slag pooled below vertical cut.
 
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