KEY PIPE SPECS (US/EU/UK)

AMERICAN PIPES SPECIFICATIONS 

American standards for steel pipes provide a comprehensive framework to ensure the quality, safety, and performance of materials used in various industries. These specifications, primarily developed by ASTM International and the American Petroleum Institute (API), are organized into categories based on the type of steel: carbon steel, alloy steel, stainless steel, duplex and super duplex steel, nickel alloys, and non-ferrous materials. Here’s a summary of key American specifications for each category:

Carbon Steel Pipes

• ASTM A53/A53M: Seamless and welded black and hot-dipped galvanized steel pipe.
• ASTM A106/A106M: Seamless carbon steel pipe for high-temperature service.
• ASTM A333/A333M: Seamless and welded steel pipe for low-temperature service.
• API 5L: Line pipe for pipeline transportation systems in the petroleum and natural gas industries.

Alloy Steel Pipes

• ASTM A335/A335M: Seamless ferritic alloy-steel pipe for high-temperature service.
• ASTM A691/A691M: Carbon and alloy steel pipe, electric-fusion-welded for high-pressure service at high temperatures.

Stainless Steel Pipes

• ASTM A312/A312M: Seamless, welded, and heavily cold-worked austenitic stainless steel pipes.
• ASTM A358/A358M: Electric-fusion-welded austenitic chromium-nickel stainless steel pipe for high-temperature service.

Duplex and Super Duplex Steel Pipes

• ASTM A790/A790M: Seamless and welded ferritic/austenitic stainless steel pipe.
• ASTM A928/A928M: Ferritic/austenitic (duplex) stainless steel pipe electric fusion welded with the addition of filler metal.

Nickel Alloys

• ASTM B161: Nickel seamless pipe and tube.
• ASTM B622: Seamless nickel and nickel-cobalt alloy pipe and tube.
• ASTM B444: Nickel-chromium-molybdenum-columbium alloys (UNS N06625 and UNS N06852) and nickel-chromium-molybdenum-silicon alloy (UNS N06219) pipe and tube.

Non-Ferrous Pipes

Non-ferrous specifications often pertain to materials like copper, aluminum, and titanium, each with their standards for piping applications, though they are less commonly grouped under a single category like steel pipes. For these materials, standards are specified based on the individual material type and application.

For example:

• ASTM B88: Seamless copper water tube.
• ASTM B241/B241M: Aluminum and aluminum-alloy seamless pipe and seamless extruded tube for general-purpose applications.

EUROPEAN PIPES SPECIFICATIONS 

European specifications for steel pipes are essential for ensuring the quality, safety, and performance of piping materials across various industries within Europe. These standards are primarily developed by the European Committee for Standardization (CEN) and come under the EN (European Norm) designation. Here’s a summary of key European specifications for steel pipes, categorized by material type:

Carbon Steel Pipes

• EN 10216-1: Seamless steel tubes for pressure purposes – Technical delivery conditions – Part 1: Non-alloy steel tubes with specified room temperature properties. This standard covers non-alloy steel seamless tubes for pressure purposes.
• EN 10217-1: Welded steel tubes for pressure purposes – Technical delivery conditions – Part 1: Non-alloy steel tubes with specified room temperature properties. It applies to welded non-alloy steel tubes for pressure purposes.

Alloy Steel Pipes

• EN 10216-2: Seamless steel tubes for pressure purposes – Technical delivery conditions – Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties. This specifies requirements for seamless tubes made from both non-alloy and alloy steels.
• EN 10217-2: Welded steel tubes for pressure purposes – Technical delivery conditions – Part 2: Electric welded non-alloy and alloy steel tubes with specified elevated temperature properties. Focuses on welded tubes for pressure purposes made from non-alloy and alloy steels.

Stainless Steel Pipes

• EN 10216-5: Seamless steel tubes for pressure purposes – Technical delivery conditions – Part 5: Stainless steel tubes. This part specifies the requirements for seamless stainless steel tubes for pressure purposes.
• EN 10217-7: Welded steel tubes for pressure purposes – Technical delivery conditions – Part 7: Stainless steel tubes. It covers welded stainless steel tubes for pressure purposes.

Duplex and Super Duplex Steel Pipes

Duplex and super duplex steel pipes are covered under the stainless steel categories, but specific grades and specifications ensure these materials’ unique properties are recognized, such as:
– EN 1.4462: Part of the EN 10088 series, it refers to duplex (austenitic-ferritic) stainless steel, offering a good combination of corrosion resistance and strength.

Nickel Alloys

Nickel alloys are covered under various EN specifications that address the unique properties required for specific applications, including high temperature and corrosion resistance. However, specific EN standards for nickel alloy pipes are less commonly cited in a generic list, as they tend to be material-specific.

Non-Ferrous

Non-ferrous metals, such as copper, aluminum, and titanium, have their own set of EN standards, similar to the approach in American specifications. Examples include:

• EN 1057: Copper and copper alloys – Seamless, round copper tubes for water and gas in sanitary and heating applications.
• EN 754: Aluminium and aluminum alloys – Cold drawn rod/bar and tube. This series of standards covers cold-drawn rods/bars and tubes made from aluminum and aluminum alloys for general applications.

These European specifications ensure that materials selected for various applications, from plumbing and heating to high-pressure and high-temperature environments, meet stringent quality and safety standards. By adhering to these standards, industries can achieve high levels of reliability and performance in their projects and products.

BRITISH PIPES SPECIFICATIONS 

British standards for steel pipes, like those from American and European institutions, play a critical role in defining the quality, safety, and performance of materials used across various industries. The British Standards Institution (BSI) develops these standards. Although many British standards have been superseded by or aligned with European Norms (EN) standards, some key BS specifications are still in use or referenced for clarity and historical context. Here’s a summary of key British specifications for steel pipes, categorized by material type:

Carbon Steel Pipes

• BS 1387: Specification for screwed and socketed steel tubes and tubular and plain-end steel tubes suitable for welding or for screwing to BS 21 pipe threads. This standard is commonly used for gas and water transmission.
• BS EN 10255: Non-alloy steel tubes suitable for welding and threading. This is the updated version of BS 1387, under the EN standardization, yet still widely referenced as a British standard.

Alloy Steel Pipes

• BS EN 10216-2: Seamless steel tubes for pressure purposes – Technical delivery conditions – Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties. This has superseded older British standards and specifies the requirements for alloy steel tubes.
• BS EN 10253-2: Butt-welding pipe fittings – Part 2: Non alloy and ferritic alloy steels with specific inspection requirements. This covers alloy steel pipe fittings.

Stainless Steel Pipes

• BS EN 10216-5: Seamless steel tubes for pressure purposes – Technical delivery conditions – Part 5: Stainless steel tubes. This standard, part of the EN system, covers stainless steel tubes in the UK context.
• BS EN 10217-7: Welded steel tubes for pressure purposes – Technical delivery conditions – Part 7: Stainless steel tubes. This specifies requirements for welded stainless steel pipes.

Duplex and Super Duplex Steel Pipes

British standards for duplex and super duplex steels are generally harmonized with European standards, as specific British standards (BS) for these materials are not prevalent. The most relevant standards are part of the EN series, such as:
EN 10216-5 and EN 10217-7, for seamless and welded duplex stainless steel pipes, respectively.

Nickel Alloys

Nickel alloy pipes in the UK are also covered under the EN series, reflecting the broader European integration of standards. Specific nickel alloy standards include:

• BS EN 10216-5: This also covers seamless tubes made from nickel alloys, aside from stainless steel.
• BS EN 10095: Heat-resisting steels and nickel alloys, which include specifications relevant to nickel alloy pipes for high-temperature applications.

Non-Ferrous

For non-ferrous pipes (copper, aluminum, titanium, etc.), British standards for pipes include:

• BS EN 1057: Copper and copper alloys – Seamless, round copper tubes for water and gas in sanitary and heating applications. This is critical for plumbing and heating applications involving copper.
• BS EN 754: Aluminium and aluminum alloys – Cold drawn rod/bar and tube. Specifies for aluminum materials, including pipes.

As with many national standards, the trend in the UK has been towards harmonization with international standards, particularly those set by the European Committee for Standardization (CEN). This ensures compatibility and quality across borders, crucial in a globally interconnected market. However, the legacy and specific applications of some British standards still hold value and recognition in various engineering and construction fields.

CANADIAN PIPES SPECIFICATIONS

Canadian standards for steel pipes play a pivotal role in ensuring the quality, safety, and performance of materials across various sectors, including oil and gas, construction, and industrial manufacturing. In Canada, standards are developed by the Canadian Standards Association (CSA), among other bodies, to address the specific needs of the Canadian industry and climate. Here’s an overview of the key Canadian specifications for steel pipes, categorized by material type:

Carbon Steel Pipes

CSA Z245.1: Steel Pipe. This standard covers seamless and welded steel pipe for use in pipeline transportation systems for the petroleum and natural gas industries. It is designed to meet the harsh climatic and operational conditions of Canada.

Alloy Steel Pipes

While specific Canadian standards for alloy steel pipes are integrated within broader specifications that also cover carbon steel, the CSA Z245.1 standard is pertinent as it includes provisions for high-strength, low-alloy steel pipes used in the oil and gas industry.

Stainless Steel Pipes

Canadian standards for stainless steel pipes are often aligned with international and American standards (such as ASTM standards) due to the global nature of the stainless steel market and manufacturing practices. However, specific applications, such as those in the food industry or water treatment, may reference:
CSA B51: Boiler, Pressure Vessel, and Pressure Piping Code. Although not exclusively for stainless steel pipes, this code includes requirements for materials used in boilers, pressure vessels, and pressure piping systems, encompassing stainless steel pipes.

Duplex and Super Duplex Steel Pipes

Specific Canadian standards for duplex and super duplex steel pipes are typically guided by ASTM or EN standards, due to the specialized nature of these materials and their global manufacturing standards. Projects in Canada requiring these materials would reference relevant ASTM or EN standards for specifications.

Nickel Alloys

Nickel alloy pipes in Canada, especially for use in harsh environments such as those found in the oil sands or in Arctic conditions, adhere to internationally recognized standards, including ASTM and ASME specifications, given the niche application and global production of these materials:
ASTM B161 and ASTM B444 are examples of such standards widely accepted in Canadian projects for nickel and nickel alloy pipes.

Non-Ferrous

For non-ferrous pipes (e.g., copper, aluminum), Canadian standards include:
CSA B88: Seamless Copper Water Tubes. Widely used in plumbing, heating, and cooling applications, this standard specifies the requirements for seamless copper water tubes in Canada.

Canadian standards are designed to ensure materials and products meet the specific needs and challenges of the Canadian environment, incorporating international standards where appropriate to maintain compatibility and quality across global markets. While some Canadian specifications are unique to the country’s industries, many standards reflect a harmonization with international norms to facilitate trade and ensure the highest level of safety and performance.

PIPS SPECS MATCHING TABLES

CARBON STEEL PIPES

In the table below, we summarize the key American and European specifications for carbon steel pipes, stainless steel pipes, and nickel-alloy pipes (mentioning the main material grades covered by each specification):

Application	Pipe Specifications	Material Grades
High-temperature Carbon Steel	EN 10225	S355G15, S460G6
	BS 7191	355EM
	API 5L	Grade B, X42, X52, X56, X60, X65, X70, X80, X100
	ASTM A519	SAE 4130, 4140
	ASTM/ASME A/SA53	Grade A, B
	ASTM A252	Grade 2, 3
Line Pipe	CSA Z245.1	359, 414, 448, 483
	ASTM/ASME A/SA53	Grade A, B
	ASTM/ASME A/SA106	Grade B, C
	ASTM A252	Class 2, 3
	EN 10216-2 Seamless	P235GH (1.0345) / P265 GH (1.0425)
	EN 10217-5 Welded	P235GH (1.0345)  / P265GH (1.0425)
Low temperature	ASTM/ASME A/SA333	P215NL (1.0451)
	EN 10216-3
		P355N (1.0562)
		P355NH (1.0565)
		P355NL1 (1.0566)
		P275NL1 (1.0488)
		P275NL2 (1.1104)
		L290NB (1.0484)
		L360NB (1.0582)
	ASTM/ASME A/SA 671/672	Grades 60, 65, 70

ALLOY STEEL PIPES

Application	Pipe Specifications	Material Grades
Alloy Steel Pipe (High Pressure/Temperature)	ASTM/ASME A/SA 335	P1, P5, P9, P11, P22, P91, P92
	ASTM/ASME A/SA 691	1-1/4CR, 2-1/4CR, 5CR, 9CR, 91
	EN 10216-2 Seamless	16Mo3 (1.5415)
		13CrMo4-5 (1.7335)
		10CrMo9-10 (1.7380)
		11CrMo9-11 (1.7383)
		X10CrMoVnb9-1 (1.4903)
		X10CrWMoVnb9-2 (1.4901)
		WB36 – 15NiCuMoNb5-6-4 (1.6368)
		10CrMo5-5 (1.7338)14MoV6-3 (1.7715)
	EN 10217-5 Welded	16Mo3 (1.5415)
		13CrMo4-5 (1.7335)
		10CrMo9-10 (1.7380)
		11CrMo9-11 (1.7383)
		X10CrMoVnb9-1 (1.4903)
		X10CrWMoVnb9-2 (1.4901)
		WB36 – 15NiCuMoNb5-6-4 (1.6368)
		10CrMo5-5 (1.7338)14MoV6-3 (1.7715)

STAINLESS STEEL PIPES

Pipe Specifications	ASTM Grade	UNS Equivalent	EN Equivalent	Werkstoff Equivalent
US: ASTM A312/358 EU: EN 10216-2 Seamless EU: EN 10217-5 Welded	304	S30400	X5CrNi18-10	1.4301
	304L	S30403	X2CrNi19-11	1.4306
	304H	S30409	X6CrNi18-11	1.4948
	310	S31000	X15CrNiSi25-21	1.4841
	310S	S31008	X8CrNi25-21	1.4845
	316	S31600	X5CrNiMo17-12-2	1.4401
	316L	S31603	X2CrNiMo17-2-2	1.4404
	316Ti	S31635	X6CrNiMoTi17-12-2	1.4571
	321	S32100	X6CrNiTi18-10	1.4541
	321H	S32109	X8CrNiTi18-10	1.4878
	347	S34700	X6CrNiNb18-10	1.455
	347H	S34709	X8CrNiNb16-13	1.4961
	6Mo	S31254	X1CrNiMoCuN25-20-7	1.4529
	904L	N08904	X1NiCrMoCu25-20-5	1.4539
US: ASTM A790/A928 EU: EN 10216-2 Seamless EU: EN 10217-5 Welded	Duplex	S31260	X2CrNiMoN25-7-4	1.441
	Duplex	S32900	X3CrNiMoN27-5-2	1.446
	Duplex	S31803 / S32205	X2CrNiMoN22-5-3	1.4462
	Super duplex	S32760	X2CrNiMoCuWN25-7-4	1.4501
	Super duplex	S32750 / S32550	X2CrNiMoCuN25-6-3	1.4507

NICKEL ALLOY PIPES

Alloy	ASTM Pipe Specifications (Seamless)	ASTM Pipe Specifications (Welded)	UNS	DIN Equivalent	Werkstoff Equivalent
Alloy 20	B729	B464	N08020		2.466
Nickel 200	B161	B622	N02200		2.4060/2.4066
Nickel 201	B161	B622	N02201		2.4061/2.4068
Monel 400	B165	B725	N04400		2.436
Inconel 600	B167	B517	N06600		2.4816
Inconel 625	B444	B705	N06625		2.4856
Incoloy 800H/800HT	B407	B514	N08811		1.4959
Incoloy 825	B423	N/A	N08825		2.4858
Hastelloy C276	B622	B619	N10276		2.4819
	B619	B619	N10675	NiMo29Cr	2.46
	B622	B619	N06022	NiCr21Mo14W	2.4602
	B622	B619	N06455	NiMo16Cr16Ti	2.461
	B622	B619	N10276	NiMo16Cr15W	2.4819
	B622	B619	N06200	NiCr23Mo16Cu	2.4675
	B622	B619	N06030	NiCr30FeMo	2.4603
	B622	B619	N06035	NiCr33Mo8	2.4643
	B622	B619	N10362	NiMo22Cr15	2.4708