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Hydraulic fluid power — Four-screw, one-piece square flange connections for use at pressures of 42 MPa, DN 25…

Overview ISO 6164:2018 specifies four-screw, one-piece square flange connections for hydraulic fluid power systems rated at 42 MPa (420 bar) for nominal sizes DN 25 to DN 80. The standard defines gen…

Calculations of greenhouse gas (GHG) emissions throughout the liquefied natural gas (LNG) chain — Part 1: Gen…

Overview ISO 6338-1:2024 - Calculations of greenhouse gas (GHG) emissions throughout the liquefied natural gas (LNG) chain - Part 1: General provides a standardized, auditable framework to quantify a…

Paints and varnishes — Determination of micro-indentation hardness — Part 1: Knoop hardness by measurement of…

Air quality — Performance characteristics and related concepts for air quality measuring methods

Plastics — Poly(alkylene terephthalate) granules — Determination of water content

Dried milk — Determination of titratable acidity (Routine method)

Overview ISO 6092:1980 is an internationally recognized standard published by the International Organization for Standardization (ISO) that specifies the routine method for determining the titratable…

Paints and varnishes — Rapid-deformation (impact resistance) tests — Part 1: Falling-weight test, large-area…

Overview - ISO 6272-1:2011 (Paints and varnishes - Falling-weight test, large-area indenter) ISO 6272-1:2011 specifies a laboratory method to evaluate the impact resistance / rapid-deformation resist…

Carbonaceous materials for the production of aluminium — Pitch for electrodes — Determination of contents of…

Overview ISO 6791:1981 specifies a conventional gravimetric method to determine the content of quinoline‑insoluble material in pitch for electrodes used in aluminium production. The standard describe…

Building construction — Modular coordination — Modular floor plane for vertical dimensions

Overview ISO 6511:1982 is an international standard established by the International Organization for Standardization (ISO) focusing on modular coordination in building construction. Specifically, it…

Rating of resistance welding equipment

Buildings and civil engineering works — Vocabulary — Part 1: General terms

Overview ISO 6707-1:2020 (identical to ISO 6707-1:2020) is a vocabulary standard for buildings and civil engineering works. It defines general terms and preferred English usage to establish a common…

Micrographics — Unitized microfilm carrier (aperture card) — Determination of adhesion of protection sheet to…

Micrographics — Aperture cards — Method of measuring thickness of buildup area

Overview ISO 6342:2003 specifies a standardized method for measuring the thickness of the buildup area on aperture cards (camera and copy cards) used in micrographics. The method is intended for manu…

Coke — Determination of shatter indices

Overview ISO 616:2021 - "Coke - Determination of shatter indices" specifies a standardized laboratory method to determine the mechanical strength of coke using the shatter test. The shatter index is…

Sodium hexafluorosilicate for industrial use — Determination of free silica content — Gravimetric method

Gas analysis — Preparation of calibration gas mixtures using dynamic methods — Part 7: Thermal mass-flow cont…

Overview ISO 6145-7:2018 specifies a dynamic method for the continuous preparation of calibration gas mixtures using thermal mass‑flow controllers (TMCs). The standard applies to mixtures of non‑reac…

Structural steels — Part 2: Technical delivery conditions for structural steels for general purposes

Plastics — Determination of water absorption

Overview ISO 62:2008 - Plastics - Determination of water absorption describes standardized test methods to measure how much water solid plastics absorb through their thickness. The standard covers pr…

Welding — Factors to be considered to ensure quality in welded structures

Petroleum products — Aviation and distillate fuels — Determination of electrical conductivity

Overview ISO 6297:1997 specifies a test method for determining the electrical (rest) conductivity of aviation and distillate fuels, with or without static-dissipator additives. The standard defines h…

Fasteners — Surface discontinuities — Part 1: Bolts, screws and studs for general requirements

Overview ISO 6157-1:1988 - "Fasteners - Surface discontinuities - Part 1: Bolts, screws and studs for general requirements" defines permissible surface discontinuities and inspection principles for b…

Plastics — Plastics identification using Raman spectrometric methods

Overview ISO 6775:2024 - Plastics - Plastics identification using Raman spectrometric methods - defines a standardized, qualitative approach for identifying plastic materials in their original form u…

Building construction — Modular coordination — Storey heights and room heights

Technical drawings — Screw threads and threaded parts — Part 3: Simplified representation

Microbiology of the food chain — Preparation of test samples, initial suspension and decimal dilutions for mi…

Overview ISO 6887-5:2020 - "Microbiology of the food chain - Preparation of test samples, initial suspension and decimal dilutions for microbiological examination - Part 5" - provides specific rules…

Coal — Determination of mineral matter

Overview - ISO 602:2015: Coal - Determination of mineral matter ISO 602:2015 specifies a standardized laboratory method for determining the amount of mineral matter in all types of coal, including br…

Wrought aluminium and aluminium alloys — Sheets, strips and plates — Part 5: Chemical composition

Overview ISO 6361-5:2011 - "Wrought aluminium and aluminium alloys - Sheets, strips and plates - Part 5: Chemical composition" specifies the chemical composition limits for wrought aluminium and alum…

Reciprocating internal combustion engines — Fire protection

Overview ISO 6826:2022 - "Reciprocating internal combustion engines - Fire protection" defines fire-protection requirements for reciprocating internal combustion engines used on land and at sea. The…

Nuclear energy — Reference beta-particle radiation — Part 2: Calibration fundamentals related to basic quanti…

Overview - ISO 6980-2:2022 (beta-particle radiation calibration fundamentals) ISO 6980-2:2022 specifies methods for measuring the absorbed-dose rate in a tissue-equivalent slab phantom for ISO 6980 r…

Natural gas — Determination of sulfur compounds — Part 3: Determination of hydrogen sulfide, mercaptan sulfur…

Animal feeding stuffs — Determination of soluble nitrogen content after treatment with pepsin in dilute hydro…

Overview ISO 6655:1997 specifies an analytical method for determining the soluble nitrogen content of animal feeding stuffs after treatment with pepsin in dilute hydrochloric acid. The procedure meas…

End mills with indexable inserts — Part 1: End mills with flatted cylindrical shank

Overview ISO 6262-1:2013 is an international standard developed by the International Organization for Standardization (ISO) that specifies the dimensions of end mills with indexable inserts and flatt…

Codes for the representation of names of languages — Part 2: Alpha-3 code

Hexafluorosilicic acid for industrial use — Determination of available fluorine content — Potentiometric meth…

Petroleum products — Determination of foaming characteristics of lubricating oils

Overview ISO 6247:1998 - Petroleum products: Determination of foaming characteristics of lubricating oils - specifies a laboratory method to measure the foaming tendency and foam stability of lubrica…

Petroleum products — Determination of saponification number — Part 1: Colour-indicator titration method

Overview ISO 6293-1:1996 specifies a colour‑indicator titration method for determining the saponification number of petroleum products. The standard defines the laboratory procedure to quantify the a…

Wrought aluminium and aluminium alloys — Cold-drawn rods/bars, tubes and wires — Part 6: Drawn round tubes —…

Measurement of conductive liquid flow in closed conduits — Method using electromagnetic flowmeters

Internal combustion engines — Piston rings — Part 1: Rectangular rings made of cast iron

Spherical plain radial bearings, joint type — Boundary dimensions — Part 2: Dimension series EW, bearings wit…

Internal combustion engines — Piston rings — Part 3: Keystone rings made of steel

Metallic materials — Tensile testing — Part 1: Method of test at room temperature

Overview ISO 6892-1:2019 - "Metallic materials - Tensile testing - Part 1: Method of test at room temperature" specifies a standardized method for performing tensile tests on metallic materials at ro…

Cycles — Lighting and retro-reflective devices — Part 1: Lighting and light signalling devices

Oilseeds — Determination of moisture and volatile matter content

Overview ISO 665:2020, "Oilseeds - Determination of moisture and volatile matter content," specifies a standardized laboratory method for measuring the moisture and volatile matter content of oilseed…

Motorcycle tyres and rims (Code-designated series) — Diameter codes 4 to 12 — Part 1: Tyres

Overview ISO 6054-1:1994 is an international standard developed by the International Organization for Standardization (ISO) that specifies the designation, dimensions, and load ratings for motorcycle…

Hot-rolled steel sections — Dimensions, sectional properties and tolerances — Part 1: Angles, sloping flange…

Overview ISO 657-1:2026 - "Hot-rolled steel sections - Dimensions, sectional properties and tolerances - Part 1: Angles, sloping flange channels and sloping flange beams" - is an international standa…

Hand-held pneumatic assembly tools for installing threaded fasteners — Reaction torque and torque impulse mea…

Cinematography — Motion-picture camera cartridge, 8 mm Type S, Model 1 (capacity 60 m) — Cartridge-camera int…

Data communication — HDLC unbalanced classes of procedures

Pneumatic fluid power — Determination of flow-rate characteristics of components using compressible fluids —…

Micrographics — Vocabulary — Part 4: Materials and packaging

Overview ISO 6196-4:1998 - Micrographics - Vocabulary - Part 4: Materials and packaging is the ISO vocabulary part that standardizes terms and definitions related to materials and packaging used in m…

Road vehicles — Sound signalling devices — Tests after mounting on vehicle

Overview ISO 6969:2004 - "Road vehicles - Sound signalling devices - Tests after mounting on vehicle" specifies how to test vehicle sound signalling devices (horns, electropneumatic and pneumatic ala…

Building construction — Modular coordination — Sub-modular increments

Pulps — Determination of dry matter content

Gas analysis — Preparation of calibration gas mixtures using dynamic methods — Part 6: Critical flow orifices

Overview ISO 6145-6:2017 - "Gas analysis - Preparation of calibration gas mixtures using dynamic methods - Part 6: Critical flow orifices" defines a dynamic method for preparing calibration gas mixtu…

Instant coffee — Sampling method for bulk units with liners

Overview ISO 6670:2025 specifies a standardized sampling method for instant coffee shipped in bulk units with moisture‑resistant liners (cases or “big bags” / “supersacks”). Applicable when a consign…

Technical product documentation (TPD) — Technical drawings for glassware

Overview ISO 6414:2020 - Technical product documentation (TPD) - Technical drawings for glassware provides standardized rules and graphical conventions for creating unambiguous technical drawings of…

Black tea — Vocabulary

Overview ISO 6078:1982 - Black tea - Vocabulary is an international standard published by ISO (first edition 1982) that provides a bilingual (English/French) glossary of terms used in the commercial…

Internal combustion engines — Piston rings — Part 2: Coil-spring-loaded oil control rings of narrow width mad…

Overview ISO 6626-2:2024 specifies the essential dimensional features of coil-spring-loaded oil control rings of narrow width, made of cast iron, for internal combustion engines. This part of the ISO…

Pneumatic fluid power — Compressed-air lubricators — Part 1: Main characteristics to be included in supplier'…

Overview ISO 6301-1:2017, Pneumatic fluid power - Compressed-air lubricators - Part 1, defines the main characteristics that suppliers must publish in product literature and the marking requirements…