Comparing US American ASTM and British BSi Piping Standard

Comparing US American ASTM and British BS Piping Standard

The table below can be used to compare different British (BSi) and American (ASTM) piping standard.

ASTM International	BSi - British Standards Institute	Material
A120	1387 (EN 10255:2004)	Carbon Steel
A53 Gr. A	3601/320	Carbon Steel
A53 Gr. B	3601/410	Carbon Steel
A106 Gr. A	3602/360	Carbon Steel
A106 Gr. B	3602/410	Carbon Steel
A333 Gr. 3	3603/503	Killed Carbon Steel
A333 Gr. 6	3603/410
A333 Gr. 8	3603/590	3.5% nickel
API 5L Gr. A	3601/23	Carbon Steel
API 5L Gr. B	3601/27	Carbon Steel
A335 Gr. P5	3604/625	5% Cr 1/2% Mo
A335 Br. P9	3604/629	9% Cr 1% Mo
A335 Gr. P11	3604/621	1 1/4% Cr 1/2% Mo
A335 Gr. P12	3604/620	1% Cr 1/2% Mo
A335 Gr. P22	3604/622	2 1/4% Cr 1% No
A312 Gr. Tp 304	3605/304 S18 (EN58E)	Austenitic chromium nickel
A312 Gr. Tp 304H	3605/304 S59	Austenitic chromium nickel
A312 Gr. Tp 304L	3605/304 S14	Austenitic chromium nickel (extra low carbon)
A312 Gr. Tp 316	3605/316 S18 (EN58J)	Austenitic chromium nickel molybdenum bearing
A312 Gr.Tp 316L	3605/316 S14	Austenitic chromium nickel molybdenum bearing (extra low carbon)
A312 Gr. Tp 321	3605/321 S18 (EN58B)	Austenitic chromium nickel titanium stabilized
A312 Gr. Tp 347	3605/347 S18 (EN58G)	Austenitic chromium nickel nobelium stabilized

A 333 - Seamless and Welded Pipe for Low-Temperature Service

A 53 - Welded Seamless Steel Pipe

A 106 - Seamless C-Steel Pipe for High Temperature Service

A 335 - Seamless Ferritic Alloy Steel Pipe for High Temperature Service

A 312 - Seamless and Welded Austenitic Stainless Steel Pipe

API 5L - Specification for Line Pipe

BS 1387 - Steel Tubes and Tubulars Suitable for Screwing to Bs 21 Pipe Threads - Replaced by EN 10255:2004 Non-alloy steel tubes suitable for welding or threading. Technical delivery conditions

BS 3601 - Steel Pipes and Tubes for Pressure Purposes Carbon Steel with Specified Room Temperature Properties - Replaced by EN 10216-1:2002 Seamless tubes for pressure purposes - Non-alloy steel tubes with specified room temperature properties, EN 10217-1:2002 Welded steel tubes for pressure purposes - Non-alloy steel tubes with specified room temperature properties

BS 3602 PART1 - Steel Pipes and Tubes for Pressure Purposes : Carbon and Carbon Manganese Steel with Specified Elevated Temperature Properties - Replaced by BS EN 10216-2:2002 Seamless steel tubes for pressure purposes. Technical delivery conditions. Non-alloy and alloy steel tubes with specified elevated temperature properties

BS 3602 PART2 - Steel Pipes and Tubes for Pressure Purposes : Carbon and Carbon Manganese Steel with Specified Elevated Temperature Properties - Replaced by BS EN 10216-2:2002 Seamless steel tubes for pressure purposes. Technical delivery conditions. Non-alloy and alloy steel tubes with specified elevated temperature properties

BS 3603 - Steel Pipes and Tubes for Pressure Purposes Carbon and Alloy Steel with Specified Low Temperature Properties - Replaced by EN10216-4:2002 Seamless steel tubes for pressure purposes. Technical delivery conditions

BS 3604 - Steel pipes and tubes for pressure purposes: ferritic alloy steel with specified elevated temperature properties. Specification for longitudinally arc welded tubes

BS 3605 PART1 - Seamless and Welded Austentic Stainless Steel Pipe and Tubes for Pressure Purposes - Replaced by EN 10216-5:2004 Seamless steel tubes for pressure purposes. Technical delivery conditions.