NT Methods Archive

Here you can find and download all published NT Methods.

NT Methods Files

File size: 48.93 KB Download

Steels for concrete reinforcement: Rebend testing of bars (NT MECH 004)

NT MECH 004

  • This NORDTEST method describes a procedure to reveal through mechanical testing the eventual embrittling effect of free (unbound) nitrogen.

File size: 55.43 KB Download

Hand-operated hoists: mechanical strength, functioning and safety (NT MECH 003)

NT MECH 003

  • This NORDTEST method is intended for the testing of mechanical strength, functioning and safety of hand-operated hoists.

File size: 34.58 KB Download

Trestles: mechanical strength and general properties (NT MECH 002)

NT MECH 002

  • This NORDTEST method is intended for the testing of mechanical strength and general properties of trestles.

File size: 51.69 KB Download

Static testing machines: Verification procedure (NT MECH 001)

NT MECH 001

  • This NORDTEST method specifies the verification of static testing machines used for determination of static strength of materials and products.

File size: 60.27 KB Download

Biaxial strength (NT MAT 004)

NT MAT 004

  • Using this method, it is possible to characterise the biaxial shear strength and tensile strength of an adhesive joint between two cylinders.

File size: 237.13 KB Download

Assessment of corrosion protection classes for inorganic coatings on steel (NT MAT 003)

NT MAT 003

  • This Nordtest method describes a procedure to assess the corrosion protection class of inorganic coatings on steel from the results of an accelerated corrosion test.

File size: 1.13 MB Download

Metallographic assessment of the temperature history and remanent life of power plant components (NT MAT 002)

NT MAT 002

  • This NORDTEST method describes how oxide thickness measurements and/or metallographic investigations (changes in carbide distribution) can be used to assess the temperature history of superheater and reheater tubes.

File size: 796.69 KB Download

Combustion by-products, corrosion: Corrosivity of combustion by-products used as fill around carbon steel structures (NT MAT 001)

NT MAT 001

  • The aim of the test method is to provide an assessment of the corrosivity on carbon steel of combustion by-products from power and district heating plants before and after accelerated ageing at 40 °C in a measuring cell made for the purpose.

File size: 1.89 MB Download

Corrosion test for fire retardant treated wooden products (NT FIRE 056)

NT FIRE 056

  • This test method specifies the procedure for determining the corrosion hazard on metals and metal fasteners from fire retardant treated wooden products after exposure in an accelerated laboratory environment.

File size: 2.08 MB Download

Mattresses: Burning behaviour – Full scale test (NT FIRE 055)

NT FIRE 055

  • This method is intended to evaluate the contribution to fire growth and smoke production under well ventilated conditions provided by a mattress, bed system etc. when subjected to a specified ignition source.

File size: 143.36 KB Download

Durability of reaction to fire – performance: Classes of fire-retardant treated wood-based products in interior and exterior end use applications (NT FIRE 054)

NT FIRE 054

  • This document prescribes the classification requirements for the durability of the reaction to fire performance of fire-retardant treated wood-based products to be used in interior and/or exterior end use conditions.

File size: 364.42 KB Download

Accelerated weathering of fire-Retardant treated wood for fire testing (NT FIRE 053)

NT FIRE 053

  • The durability of a fire-retardant treatment of wood under exposure to accelerated weathering is covered by this standard. It is intended for fire-retardant treatment of wood by pressure impregnation, rather than simply by surface coating.

File size: 831.82 KB Download

Personal protective equipment for firefighters: Complete suit test in hazardous conditions (NT FIRE 052)

NT FIRE 052

  • This is a test method for testing the combined performance of a complete assembly of Personal Protective Equipment (PPE), worn by a test person.

File size: 44.64 KB Download

Fire extinguishing foam, environmental and health properties: Hazard evaluation (NT FIRE 051)

NT FIRE 051

  • This method is intended for systematic evaluation of environmental health hazards of fire extinguishing foam.

File size: 518.81 KB Download

Heat flux meters: Calibration (NT FIRE 050)

NT FIRE 050

  • This is a method for calibration of heat flux meters which are exposed to a well defined radiation from a radiant heat source.

File size: 293.97 KB Download

Combustible products: Commodity classification – Fire test procedure (NT FIRE 049)

NT FIRE 049

  • This Nordtest method is intended to provide a basis for classification of commodities.

File size: 83.64 KB Download

Combustible products: Smoke gas concentrations, continuous FTIR analysis (NT FIRE 047)

NT FIRE 047

  • This test method specifies a procedure for gas sampling and analysis to determine the smoke gas concentrations of combustible products using an on-line FTIR (Fourier Transform InfraRed) technique.

File size: 34.99 KB Download

Atrium roof construction: Fire resistance (NT FIRE 046)

NT FIRE 046

  • The test method comprises two independent parts, a low temperature phase test and a high temperature phase test. If a construction is to be evaluated according to either part, the two temperature phases may be combined into one test.

File size: 55.75 KB Download

Solid materials: Spontaneous ignition temperature by continuous heating (NT FIRE 045)

NT FIRE 045

  • This test method specifies a procedure for determining the spontaneous ignition temperature Tc of samples of radius r, and, from these temperatures, the material parameters M and P from the equation where dc is a Frank-Kamenetskii critical parameter.

File size: 83.28 KB Download

Fire protection: Fire extinguishing media - Powder (NT FIRE 044)

NT FIRE 044

  • This NORDTEST method describes test procedures for evaluating the extinguishing efficiency and the discharge characteristics of fire extinguishing powders.

File size: 216.76 KB Download

Large, free-hanging curtain and drapery textiles: Heat release, fire spread and smoke production - Full scale test (NT FIRE 043)

NT FIRE 043

  • This method simulates a fire that under well ventilated conditions starts in a large free-hanging curtain fabric in front of a wall.

File size: 31.23 KB Download

Foam concentrates, proportioner: Performance test (NT FIRE 042)

NT FIRE 042

  • This NORDTEST method is intended to provide a basis for testing of proportioners for foam concentrates intended for use together with manual foam generation equipment. This test method includes both general requirements as well as performance tests.

File size: 52.04 KB Download

Foam branches, portable: Performance test (NT FIRE 041)

NT FIRE 041

  • This NORDTEST method is intended for providing a basis for testing of portable foam branches.

File size: 22.22 KB Download

Building materials: Combustible content (NT FIRE 038)

NT FIRE 038

  • This test method specifies a procedure to determine the amount of combustible content in building products.

File size: 49.55 KB Download

Bedding components: Ignitability (NT FIRE 037)

NT FIRE 037

  • This NORDTEST method specifies a procedure to determine the ignitability of bedding components with small smouldering and flaming sources of ignition.

File size: 229.16 KB Download

Pipe insulation: Fire spread and smoke production - Full scale test (NT FIRE 036)

NT FIRE 036

  • This method simulates fire that under well ventilated conditions starts in a small room with a single open doorway.

File size: 94.90 KB Download

Building products: Flammability and smouldering resistance of loose-fill thermal insulation (NT FIRE 035)

NT FIRE 035

  • This test method specifies a procedure to determine the flammability and resistance to smouldering of thermal insulating materials.

File size: 86.93 KB Download

Ventilation ducts: Fire resistance (NT FIRE 034)

NT FIRE 034

  • This NORDTEST method specifies a procedure to determine the fire resistance of ventilation ducts passing from one fire compartment to another without the aid of fire dampers.

File size: 249.71 KB Download

Upholstered furniture: Burning behaviour - Full scale test (NT FIRE 032)

NT FIRE 032

  • This method is intended to be used for the evaluation of fire behaviour of upholstered furniture in full scale. The specimen is ignited by a specified ignition source and burns freely under well ventilated conditions.

File size: 187.47 KB Download

Fluid spray: Combustion efficiency (NT FIRE 031)

NT FIRE 031

  • This test method simulates a fire that can occur when a fluid in spray form due to, for example, leakage comes in contact with ignition sources of various sizes.

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