Hazardous Substances in Welding and Allied Processes by Vilia Elena Spiegel-Ciobanu & Luca Costa & Wolfgang Zschiesche
Author:Vilia Elena Spiegel-Ciobanu & Luca Costa & Wolfgang Zschiesche
Language: eng
Format: epub
ISBN: 9783030369262
Publisher: Springer International Publishing
Unalloyed steel
16–24
Chromium-nickel steel
14–35
With regard to the problem of hazardous substances, it is possible to differentiate betweenhigh-pressure laser cutting (with nitrogen) and
laser cutting (with oxygen).
The use of nitrogen as cutting gas reduces the emissions of hazardous substances from chromium-nickel steel and galvanised steel by half compared to cutting with oxygen.
Welding fume emissions in high-pressure laser cutting and laser cutting (example):
(Power = 1 kW, focal length of lens = 63.5 mm, thickness of workpiece = 1 mm)Material
Welding fume emission rates (mg/s)
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