STM PDF

Steel and cast iron - Determination of chromium content - Diphenylcarbazide spectrophotometric method. Original standard ISO 4936-1984 in PDF full version. Additional info + preview on request

Document status: Replaced by St ISO 10138-1991

Steel and iron - Determination of chromium content - Potentiometric or visual titration method. Original standard ISO 4937-2024 in PDF full version. Additional info + preview on request

Document status: Active

Steel and iron - Determination of nickel content - Gravimetric or titrimetric method. Original standard ISO 4938-2016 in PDF full version. Additional info + preview on request

Document status: Active

Steel - Determination of nickel - Dimethylglyoxime spectrophotometric method. Original standard ISO 4939-2016 in PDF full version. Additional info + preview on request

Document status: Active

Cylindrical shank twist drills - Long series. Original standard ISO 494-2017 in PDF full version. Additional info + preview on request

Document status: Active

Steel and cast iron - Determination of nickel content - Flame atomic absorption spectrometric method. Original standard ISO 4940-1985 in PDF full version. Additional info + preview on request

Document status: Replaced by St ISO 4940-2025