Steel Tubes
| ISO 2937:1974 | Plain end seamless steel tubes for mechanical application |
| ISO 2938:1974 | Hollow steel bars for machining |
| ISO 3304:1985 | Plain end seamless precision steel tubes — Technical conditions for delivery |
| ISO 3305:1985 | Plain end welded precision steel tubes — Technical conditions for delivery |
| ISO 3306:1985 | Plain end as-welded and sized precision steel tubes — Technical conditions for delivery |
| ISO 3545-1:1989 | Steel tubes and fittings — Symbols for use in specifications — Part 1: Tubes and tubular accessories with circular cross-section |
| ISO 3545-2:1989 | Steel tubes and fittings — Symbols for use in specifications — Part 2: Square and rectangular hollow sections |
| ISO 3545-3:1989 | Steel tubes and fittings — Symbols for use in specifications — Part 3: Tubular fittings with circular cross-section |
| ISO 4200:1991 | Plain end steel tubes, welded and seamless — General tables of dimensions and masses per unit length |
| ISO 5252:1991 | Steel tubes — Tolerance systems |
| ISO 5256:1985 | Steel pipes and fittings for buried or submerged pipe lines — External and internal coating by bitumen or coal tar derived materials |
| ISO 6761:1981 | Steel tubes — Preparation of ends of tubes and fittings for welding |
| ISO 7598:1988 | Stainless steel tubes suitable for screwing in accordance with ISO 7-1 |
| ISO 9095:1990 | Steel tubes — Continuous character marking and colour coding for material identification |
| ISO 10799-1:2011 | Cold-formed welded structural hollow sections of non-alloy and fine grain steels — Part 1: Technical delivery conditions |
| ISO 10799-2:2011 | Cold-formed welded structural hollow sections of non-alloy and fine grain steels — Part 2: Dimensions and sectional properties |
| ISO 12633-1:2011 | Hot-finished structural hollow sections of non-alloy and fine grain steels — Part 1: Technical delivery conditions |
| ISO 12633-2:2011 | Hot-finished structural hollow sections of non-alloy and fine grain steels — Part 2: Dimensions and sectional properties |
Cast Iron Pipes
| ISO 2531:2009 | Ductile iron pipes, fittings, accessories and their joints for water applications |
| ISO 2531:2009/Cor 1:2010 | Ductile iron pipes, fittings, accessories and their joints for water applications |
| ISO 4179:2005 | Ductile iron pipes and fittings for pressure and non-pressure pipelines — Cement mortar lining |
| ISO 6594:2006 | Cast iron drainage pipes and fittings — Spigot series |
| ISO 7186:2011 | Ductile iron products for sewerage applications |
| ISO 8179-1:2004 | Ductile iron pipes — External zinc-based coating — Part 1: Metallic zinc with finishing layer |
| ISO 8179-2:1995 | Ductile iron pipes — External zinc coating — Part 2: Zinc rich paint with finishing layer |
| ISO 8180:2006 | Ductile iron pipelines — Polyethylene sleeving for site application |
| ISO 9349:2017 | Ductile iron pipes, fittings, accessories and their joints — Thermal preinsulated products |
| ISO 10802:1992 | Ductile iron pipelines — Hydrostatic testing after installation |
| ISO 10803:2011 | Design method for ductile iron pipes |
| ISO 10804:2010 | Restrained joint systems for ductile iron pipelines — Design rules and type testing |
| ISO 13470:2012 | Trenchless applications of ductile iron pipes systems — Product design and installation |
| ISO 16132:2016 | Ductile iron pipes and fittings — Seal coats for cement mortar linings |
| ISO 16134:2006 | Earthquake- and subsidence-resistant design of ductile iron pipelines |
| ISO 16631:2016 | Ductile iron pipes, fittings, accessories and their joints compatible with plastic (PVC or PE) piping systems, for water applications and for plastic pipeline connections, repair and replacement |
| ISO 18468:2017 | Ductile iron fittings, accessories and their joints and valves — Epoxy coating |
Threaded Fittings
| ISO 7-1:1994 | Pipe threads where pressure-tight joints are made on the threads — Part 1: Dimensions, tolerances and designation |
| ISO 7-1:1994/Cor 1:2007 | Pipe threads where pressure-tight joints are made on the threads — Part 1: Dimensions, tolerances and designation |
| ISO 7-2:2000 | Pipe threads where pressure-tight joints are made on the threads — Part 2: Verification by means of limit gauges |
| ISO 49:1994 | Malleable cast iron fittings threaded to ISO 7-1 |
| ISO 49:1994/Cor 1:1997 | Malleable cast iron fittings threaded to ISO 7-1 |
| ISO 228-1:2000 | Pipe threads where pressure-tight joints are not made on the threads — Part 1: Dimensions, tolerances and designation |
| ISO 228-2:1987 | Pipe threads where pressure-tight joints are not made on the threads — Part 2: Verification by means of limit gauges |
| ISO 2016:1981 | Capillary solder fittings for copper tubes — Assembly dimensions and tests |
| ISO 3419:1981 | Non-alloy and alloy steel butt-welding fittings |
| ISO 4144:2003 | Pipework — Stainless steel fittings threaded in accordance with ISO 7-1 |
| ISO 4145:1986 | Non-alloy steel fittings threaded to ISO 7-1 |
| ISO 5251:1981 | Stainless steel butt-welding fittings |
Metallic Flanges
| ISO 6708:1995 | Pipework components — Definition and selection of DN (nominal size) |
| ISO 7005-1:2011 | Pipe flanges — Part 1: Steel flanges for industrial and general service piping systems |
| ISO 7005-2:1988 | Metallic flanges — Part 2: Cast iron flanges |
| ISO 7005-3:1988 | Metallic flanges — Part 3: Copper alloy and composite flanges |
| ISO 7268:1983 | Pipe components — Definition of nominal pressure |
| ISO 7268:1983/Amd 1:1984 | Pipe components — Definition of nominal pressure |
| ISO 7483:1991 | Dimensions of gaskets for use with flanges to ISO 7005 |
| ISO 7483:1991/Cor 1:1995 | Dimensions of gaskets for use with flanges to ISO 7005 |
Metal Hoses
| ISO 7369:2004 | Pipework — Metal hoses and hose assemblies — Vocabulary |
| ISO 10380:2012 | Pipework — Corrugated metal hoses and hose assemblies |
| ISO 10806:2003 | Pipework — Fittings for corrugated metal hoses |
| ISO 10807:1994 | Pipework — Corrugated flexible metallic hose assemblies for the protection of electrical cables in explosive atmospheres |
| ISO 15465:2004 | Pipework — Stripwound metal hoses and hose assemblies |