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ISO 404:2013PublishedSteel and steel products — General technical delivery requirementsISO 4945:2018PublishedSteel — Determination of nitrogen — Spectrophotometric methodISO 4948-1:1982PublishedSteels — Classification — Part 1: Classification of steels into unalloyed and alloy steels based on chemical compositionISO 4948-2:1981PublishedSteels — Classification — Part 2: Classification of unalloyed and alloy steels according to main quality classes and main property or application characteristicsISO/TS 4949:2016PublishedSteel names based on letter symbolsISO 5490:2025PublishedSteel — Rating and classifying nonmetallic inclusions using the scanning electron microscopeISO/TS 6084:2022PublishedSteel and steel products — Vocabulary relating to chemical analysisISO 6306:2020PublishedChemical analysis of steel — Order of listing elements in steel standardsISO/TS 7705:2017PublishedGuidelines for specifying Charpy V-notch impact prescriptions in steel specificationsISO 9441:2026PublishedSteel — Determination of niobium content — 4-(2-Pyridylazo)-resorcinol (PAR) spectrophotometric methodISO 9658:2024PublishedSteel — Determination of aluminium content — Flame atomic absorption spectrometric methodISO 10153:1997PublishedSteel — Determination of boron content — Curcumin spectrophotometric methodISO 10278:1995PublishedSteel — Determination of manganese content — Inductively coupled plasma atomic emission spectrometric methodISO 10697-2:1994PublishedSteel — Determination of calcium content by flame atomic absorption spectrometry — Part 2: Determination of total calcium contentISO 10697-1:1992PublishedSteel — Determination of calcium content by flame atomic absorption spectrometry — Part 1: Determination of acid-soluble calcium contentISO 10698:1994PublishedSteel — Determination of antimony content — Electrothermal atomic absorption spectrometric methodISO 11653:1997PublishedSteel — Determination of high cobalt content — Potentiometric titration method after separation by ion exchangeISO/TS 13899-3:2005PublishedSteel — Determination of Mo, Nb and W contents in alloyed steel — Inductively coupled plasma atomic emission spectrometric method — Part 3: Determination of W contentISO 13899-2:2005PublishedSteel — Determination of Mo, Nb and W contents in alloyed steel — Inductively coupled plasma atomic emission spectrometric method — Part 2: Determination of Nb contentISO/TS 13899-1:2004PublishedSteel — Determination of Mo, Nb and W contents in alloyed steel — Inductively coupled plasma atomic emission spectrometric method — Part 1: Determination of Mo contentISO 13900:1997PublishedSteel — Determination of boron content — Curcumin spectrophotometric method after distillationISO 14250:2000PublishedSteel — Metallographic characterization of duplex grain size and distributionsISO 15349-2:2021PublishedUnalloyed steel — Determination of low carbon content — Part 2: Infrared absorption method after combustion in an induction furnace (with preheating)ISO 17054:2010PublishedRoutine method for analysis of high alloy steel by X-ray fluorescence spectrometry (XRF) by using a near-by techniqueISO/TR 17055:2002PublishedSteel — Determination of silicon content — Inductively coupled plasma atomic emission spectrometric method