Tweezers

SA

Tweezers supplied by BNC are typically made of Stainless Anti-Magnetic steel, designated "SA". This is a low carbon austenitic steel (AISI 316L). 

It will be attacked by HCl, HF, Phosphoric acid, and Sulphuric acid, to name a few.

https://marketing.industrialspec.com/acton/attachment/30397/f-003a/1/-/-/-/-/316l-stainless-steel-chemical-compatibility-from-ism.pdf

https://www.metalshims.com/t-316L-Stainless-Steel-technical-data-sheet.aspx

https://www.graco.com/content/dam/graco/ipd/literature/misc/chemical-compatibility-guide/Graco_ChemCompGuideEN-B.pdf

61-TDS_Stainless_steel_type_SA.pdf

CF

Polyamide 66 reinforced with 30wt% carbon fiber [62-TDS_Engineering_plastic_type_CF.pdf]. In general, these are only suitable for handling samples, and not for high temperature work or chemical work.

Titanium - etched by HF, Piranha solution, and