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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 10217-5:2019

Status: VIGENTE2025-01-01

Welded steel tubes for pressure purposes - Technical delivery conditions - Part 5: Submerged arc welded non-alloy and alloy steel tubes with specified elevated temperature properties

UNE-EN 10217-6:2019

Status: VIGENTE2025-01-01

Welded steel tubes for pressure purposes - Technical delivery conditions - Part 6: Submerged arc welded non-alloy steel tubes with specified low temperature properties

UNE-EN 10051:2024

Status: VIGENTE2024-12-04

Continuously hot-rolled strip and plate/sheet cut from wide strip of non-alloy and alloy steels - Tolerances on dimensions and shape

UNE-EN 10270-1:2024

Status: VIGENTE2024-11-06

Steel wire for mechanical springs - Part 1: Patented cold drawn unalloyed spring steel wire

UNE-EN 10251:2024

Status: VIGENTE2024-10-23

Magnetic materials - Methods of determination of the geometrical characteristics of electrical steel sheet and strip

UNE-EN 10088-1:2024

Status: VIGENTE2024-10-02

Stainless steels - Part 1: List of stainless steels

UNE-EN 10088-3:2024

Status: VIGENTE2024-10-02

Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resistant steels for general purposes

UNE-EN 10305-3:2024

Status: VIGENTE2024-10-02

Steel tubes for precision applications - Technical delivery conditions - Part 3: Welded cold sized tubes

UNE-EN 10058:2019

Status: VIGENTE2024-06-06

Hot rolled flat steel bars and steel wide flats for general purposes - Dimensions and tolerances on shape and dimensions

UNE-EN 10200:2012

Status: VIGENTE2024-06-03

Chemical analysis of ferrous materials - Determination of boron in steels - Spectrophotometric method

UNE-EN 10071:2012

Status: VIGENTE2024-06-03

Chemical analysis of ferrous materials - Determination of manganese in steels and irons - Electrometric titration method

UNE-EN 10264-3:2024

Status: VIGENTE2024-05-22

Steel wire and wire products - Steel wire for ropes - Part 3: Round and shaped non alloyed steel wire for high duty applications

UNE-EN ISO 6306:2024

Status: VIGENTE2024-05-22

Chemical analysis of steel - Order of listing elements in steel standards (ISO 6306:2020)

UNE-EN 10278:2024

Status: VIGENTE2024-05-22

Dimensions and tolerances of bright steel products of stainless and other special steels

UNE-EN ISO 683-17:2024

Status: VIGENTE2024-04-30

Heat-treated steels, alloy steels and free-cutting steels - Part 17: Ball and roller bearing steels (ISO 683-17:2023)

UNE-EN ISO 3887:2024

Status: VIGENTE2024-04-24

Steels - Determination of the depth of decarburization (ISO 3887:2023)

UNE-EN 10059:2004

Status: VIGENTE2024-04-11

Hot rolled square steel bars for general purposes - Dimensions and tolerances on shape and dimensions

UNE-EN 10061:2005

Status: VIGENTE2024-04-11

Hot rolled hexagon steel bars for general purposes - Dimensions and tolerances on shape and dimensions

UNE-EN 10092-1:2005

Status: VIGENTE2024-04-11

Hot rolled spring steel flat bars - Part 1: Flat bars - Dimensions and tolerances on shape and dimensions

UNE-EN 10092-2:2005

Status: VIGENTE2024-04-11

Hot rolled spring steel flat bars - Part 2: Ribbed and grooved spring leaves - Dimensions and tolerances on shape and dimensions