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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 10179:2025

Status: VIGENTE / 2025-01-15

Steels - Determination of nitrogen (trace amounts) - Spectrophotometric method

UNE-EN 10188:2025

Status: VIGENTE / 2025-01-15

Steels and cast irons - Determination of chromium content - Flame atomic absorption spectrometric method (FAAS)

UNE-EN 10249-2:2025

Status: VIGENTE / 2025-01-15

Cold formed steel sheet piles - Part 2: Tolerances on dimensions and shape

UNE-EN 10248-2:2025

Status: VIGENTE / 2025-01-15

Hot-rolled steel sheet piles - Part 2: Tolerances on dimensions and shape

UNE-EN 10177:2020

Status: VIGENTE / 2025-01-09

Steels - Determination of calcium content - Flame atomic absorption spectrometric method (FAAS)

UNE-EN 10181:2020

Status: VIGENTE / 2025-01-09

Steels - Determination of lead content - Flame atomic absorption spectrometric method (FAAS)

UNE-EN 10136:2020

Status: VIGENTE / 2025-01-09

Steels and cast irons - Determination of nickel content - Flame atomic absorption spectrometric method (FAAS)

UNE-EN 10225-1:2020

Status: VIGENTE / 2025-01-06

Weldable structural steels for fixed offshore structures - Technical delivery conditions - Part 1: Plates

UNE-EN 10225-2:2020

Status: VIGENTE / 2025-01-06

Weldable structural steels for fixed offshore structures - Technical delivery conditions - Part 2: Sections

UNE-EN 10225-3:2020+A1:2023

Status: VIGENTE / 2025-01-06

Weldable structural steels for fixed offshore structures - Technical delivery conditions - Part 3: Hot finished hollow sections

UNE-EN 10225-4:2020

Status: VIGENTE / 2025-01-06

Weldable structural steels for fixed offshore structures - Technical delivery conditions - Part 4: Cold formed welded hollow sections

UNE-EN 10210-2:2020

Status: VIGENTE / 2025-01-06

Hot finished steel structural hollow sections - Part 2: Tolerances, dimensions and sectional properties

UNE-EN 10219-2:2019

Status: VIGENTE / 2025-01-06

Cold formed welded steel structural hollow sections - Part 2: Tolerances, dimensions and sectional properties

UNE-EN 10216-1:2014

Status: VIGENTE / 2025-01-01

Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 1: Non-alloy steel tubes with specified room temperature properties

UNE-EN 10216-3:2014

Status: VIGENTE / 2025-01-01

Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 3: Alloy fine grain steel tubes

UNE-EN 10216-4:2014

Status: VIGENTE / 2025-01-01

Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 4: Non-alloy and alloy steel tubes with specified low temperature properties

UNE-EN 10217-1:2019

Status: VIGENTE / 2025-01-01

Welded steel tubes for pressure purposes - Technical delivery conditions - Part 1: Electric welded and submerged arc welded non-alloy steel tubes with specified room temperature properties

UNE-EN 10217-2:2019

Status: VIGENTE / 2025-01-01

Welded steel tubes for pressure purposes - Technical delivery conditions - Part 2: Electric welded non-alloy and alloy steel tubes with specified elevated temperature properties

UNE-EN 10217-3:2019

Status: VIGENTE / 2025-01-01

Welded steel tubes for pressure purposes - Technical delivery conditions - Part 3: Electric welded and submerged arc welded alloy fine grain steel tubes with specified room, elevated and low temperature properties

UNE-EN 10217-4:2019

Status: VIGENTE / 2025-01-01

Welded steel tubes for pressure purposes - Technical delivery conditions - Part 4: Electric welded non-alloy steel tubes with specified low temperature properties