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Committee

Committee:

CTN 36 - Iron and steel

Secretary:
CALSIDER - CALIDAD SIDERÚRGICA, S.L.
Field of Activity:
Standardization of: Raw products, semi finished, finished and first processing products as well as by-products manufactured by the iron and steel industry and of first processing, raw materials used in the manufacture of the steel and the ferro-alloys covering terminology and definitions, classification, manufacture procedures, characteristics , test methods, physical and chemical (analysis), and sampling and inspection. Excluding: - Cast iron and products related; - Coal and coke; - Iron materials; - Sintered products; - Steel wire ropes used in mining .
Structure:

SC 1 Test methods for steel (other than chemical analysis)

SC 2 Methods of chemical analysis for iron and steel

SC 3 Structural steels other than reinforcements

SC 4 Concrete reinforcing and pre-stressing steels

SC 5 Steels for heat treatment, alloy steels, free-cutting steels and stainless steels

SC 6 Wire rod and wire

SC 7 Steels for pressure purposes

SC 8 Steel sheet and strip for electrical applications

SC 9 Coated and uncoated flat products to be used for cold forming

SC 10 Steel tubes, and iron and steel fittings

SC 11 Steel castings and forgings

SC 12 General issues

SC 13 Aceros inoxidables

International Relations:

ISO/TC 17  Steel

ISO/TC 105  Steel wire ropes

ISO/TC 132  Ferroalloys

CEN/SS M18  Metal wire products

CEN/TC 342  Metal hoses, hose assemblies, bellows and expansion joints

CEN/TC 459  ECISS - European Committee for Iron and Steel Standardization

CEN/WS TOUGHSTEEL  CEN Workshop on 'Fracture toughness evaluation methodologies applied to advanced high strength steel sheets'

* Some activities of this TC correspond to other AEN/CTN.

Standards developed by the committee: CTN 36: 1329

UNE-EN 10219-1:2007

Status: VIGENTE2025-07-16

Cold formed welded structural hollow sections of non-alloy and fine grain steels - Part 1: Technical delivery conditions

UNE-EN 10205:2025

Status: VIGENTE2025-07-02

Cold reduced tinmill products - Blackplate

UNE-EN ISO 683-7:2025

Status: VIGENTE2025-07-02

Heat-treatable steels, alloy steels and free-cutting steels - Part 7: Bright products of non-alloy and alloy steels (ISO 683-7:2023)

UNE-EN ISO 4937:2025

Status: VIGENTE2025-07-02

Steel and iron - Determination of chromium content - Potentiometric or visual titration method (ISO 4937:2024)

UNE-EN 10265:2025

Status: VIGENTE2025-07-02

Magnetics materials - Specification for electrical steel strip and sheet with specified mechanical properties and magnetic polarisation

UNE-EN 10335:2025

Status: VIGENTE2025-06-18

Steel for packaging - Flat steel products intended for use in contact with foodstuffs, products or beverages for human and animal consumption - Non alloyed electrolytic chromium/chromium oxide coated steel

UNE-EN 10334:2025

Status: VIGENTE2025-06-18

Steel for packaging - Flat steel products intended for use in contact with foodstuffs, products and beverages for human and animal consumption - Non-coated steel (blackplate)

UNE-EN 10333:2025

Status: VIGENTE2025-06-18

Steel for packaging - Flat steel products intended for use in contact with foodstuffs, products and beverages for human and animal consumption - Tin coated steel (tinplate)

UNE-EN 10325:2007

Status: VIGENTE2025-05-15

Steel - Determination of yield strength increase by the effect of heat treatment [Bake-Hardening-Index]

UNE-EN 10229:1998

Status: VIGENTE2025-05-15

Evaluation of resistance of steel products to hydrogen induced cracking (HIC)

UNE-EN 14585:2025

Status: VIGENTE2025-05-07

Corrugated metal hose assemblies for pressure applications

UNE-EN ISO 9658:2025

Status: VIGENTE2025-04-23

Steel - Determination of aluminium content - Flame atomic absorption spectrometric method (ISO 9658:2024)

UNE-EN ISO 642:2025

Status: VIGENTE2025-04-23

Steel - Hardenability test by end quenching (Jominy test) (ISO 642:2024)

UNE-EN ISO 10714:2025

Status: VIGENTE2025-04-23

Steel and iron - Determination of phosphorus content - Phosphovanadomolybdate spectrophotometric method (ISO 10714:2024)

UNE-EN ISO 643:2025

Status: VIGENTE2025-04-23

Steels - Micrographic determination of the apparent grain size (ISO 643:2024)

UNE-EN 10088-2:2025

Status: VIGENTE2025-04-23

Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resistant steels for general purposes

UNE-EN 10163-3:2007

Status: VIGENTE2025-04-02

Delivery requirements for surface condition of hot-rolled steel plates, wide flats and sections - Part 3: Sections

UNE-EN 10163-1:2007

Status: VIGENTE2025-04-02

Delivery requirements for surface condition of hot-rolled steel plates, wide flats and sections - Part 1: General requirements

UNE-EN 10163-2:2007

Status: VIGENTE2025-04-02

Delivery requirements for surface condition of hot-rolled steel plates, wide flats and sections - Part 2: Plate and wide flats

UNE-EN 10238:2011

Status: VIGENTE2025-04-02

Automatically blast-cleaned and automatically prefabrication primed structural steel products