- API 5L -46th : Line Pipe
- API 5CT-11th: casing na tubing
- ASTM A53/A53M-2022
- ASTM A106-2002: Nkọwa ọkọlọtọ maka Pipe Carbon Steel na-enweghị nkebi maka ọrụ okpomọkụ dị elu
- ASME B36.10-2022 : Welded na enweghị nkebi rụrụ arụ ígwè Pipe
- ISO 9329-2-1997
- ISO 9329-3-1997
- ISO 9329-4-1997
- ISO 9329-1-1989
- ASTM A334/A334M-2016
- ASTM A450-2023: Nkọwa ọkọlọtọ maka ihe ndị chọrọ n'ozuzu maka Carbon na Alloy Alloy Steel Tubes
- ASTM A312/A312M-2022
- ASTM A234/A234M-2023
- Nkọwa ọkọlọtọ ASTM A335-2023 maka ọkpọkọ Ferritic Alloy-Steel Pipe maka ọrụ okpomọkụ dị elu.
- ASTM A333-2018
- ISO 13703-2-2023
- ISO 13703-3-2023
- ISO 13680-2020
- ISO 15156-1-2020
- ISO 15156-2-2020
- ISO 15156-3-2020
- ISO 4200-1991
- Nkọwa ọkọlọtọ 2019 maka SeaASTM A210/A210M-mless Ọkara-Carbon Steel Boiler na Superheater Tubes
- Nkọwa ọkọlọtọ ASTM A192/A192M-2017 maka tubes carbon steel na-enweghị nkebi maka ọrụ nrụgide dị elu.
- Ntuziaka ọkọlọtọ ASTM A700-2019 maka nkwakọ ngwaahịa, akara, na ụzọ ntinye maka ngwaahịa igwe maka mbupu.
- Nkọwa ọkọlọtọ maka ASTM A519/A519M-2023 maka tubing Carbon na Alloy Steel Mechanical Tubing
- ASTM A513/A513M -2000
- Nkọwa ọkọlọtọ ASTM A36/A36M-2019 maka Carbon Structural Steel
- ASTM A770/A770M-2018
- ASTM A501/A501M-2021
- Nkọwa ọkọlọtọ ASTM A532/A532M-2023 maka ihe nkedo abrasion-eguzogide ọgwụ
- ASTM A213/A213M-2023
- ASTM A516/A516M-2017
- ASTM A500/A500M-2023
- ASME B36.19 - 2022 : Igwe anaghị agba nchara arụrụ na enweghị nkebi
- SAE J403-2001: Ngwakọta kemịkalụ nke SAE Carbon Steel
- JIS G 3452-2019: Carbon ígwè ọkpọkọ maka ọkpọkọ nkịtị
- JIS G 3461-2019: Carbon ígwè tubes maka ji esi mmiri ọkụ na okpomọkụ Exchanger
- JIS G 3125-2021: elu ikuku corrosion na-eguzogide ígwè akpọrepu
- JIS G 3455-2020: Carbon ígwè ọkpọkọ maka ọrụ nrụgide dị elu
- JIS G 3462-2019: Alloy ígwè tubes maka ji esi mmiri ọkụ na okpomọkụ Exchanger
- JIS G 3456-2019: Carbon ígwè ọkpọkọ maka ọrụ okpomọkụ dị elu
- JIS G 3454-2017: Carbon ígwè ọkpọkọ maka ọrụ nrụgide
- JIS G 3444-2021: Carbon ígwè tubes maka n'ozuzu Ọdịdị
- TS EN 10219-1-2006 akụkụ oyi kpụrụ welded arụ ọrụ oghere - akụkụ 1
- TS EN 10210-2-2019: Akụkụ oghere arụchara nchara na-ekpo ọkụ - Nkebi 2
- TS EN 10025-1-2004 ngwaahịa a na-ekpo ọkụ akpọrepu nke nchara arụ ọrụ, ọnọdụ nnyefe teknụzụ zuru oke
- TS EN 10025-2-2019
- BS EN 10025-3-2019
- TS EN 10025-4-2022
- TS EN 10025-5-2019
- TS EN 10025-6-2022
- BS EN 10216-1-2013
- BS EN 10216-3-2013
- BS EN 10216-4-2013
- TS EN 10255-2004 tubes igwe anaghị agba nchara dabara adaba maka ịgbado ọkụ na eriri.Ọnọdụ nnyefe teknụzụ
- TS EN 10220-2002 tubes ígwè enweghị nkebi na weldedAkụkụ na ọnụ ọgụgụ kwa nkeji ogologo
- TS EN 10297-1-2003
- DIN 10210-2-2019
- BS EN 10219-1-2016
- TS EN 10219-2-2019
- TS EN 10219-3-2020
- TS EN 10224-2002
- BS 3604-2-1991
- GB/T 3087-2022
- GB/T 9711-2023
- GB/T 13793-2016
- GB/T 5310-2023
- GB/T 8163-2018
- GB/T 8162-2018
- GB/T 9948-2013
- GB/T 9808-2023
- GB/T 2102-2022
- GB/T 17396-2022
- GB/T 3639-2021
- GB/T 3091-2015
- GOST 8732-1978: ọkpọkọ ígwè na-ekpo ọkụ na-enweghị ntụpọ.Ogo nke nha
- GOST 380-2005: Carbon ígwè dị mma.akara ule
- GOST 10704-1991: Igwe anaghị agba nchara nchara-ọgwụgwụ tubes
- GOST 10705-1993 : igwe eletrik na-agbado Tubes
- GOST 10706-2001
- CSA Z245.1-2022: ígwè ọkpọkọ
- AS 1163-2016
- AS 1074-2018: tubes ígwè na tubulars maka ọrụ nkịtị
- ASTM A252/A252M-2019: Nkọwa ọkọlọtọ maka welded na enweghị nkebi ọkpọ ọkpọ.
- ISO 12944-1-2017
- ISO 12944-2-2017
- ISO 12944-3-2017
- ISO 12944-4-2017
- ISO 12944-5-2018
- ISO 12944-6-2018
- ISO 12944-7-2017
- ISO 12944-8-2017
- ISO 12944-9-2018
- TS EN ISO 1461-2022 mkpuchi mkpuchi galvanized na-ekpo ọkụ na ígwè a kpụrụ akpụ na ihe nchara nkọwapụta na ụzọ nnwale.
- ISO 21809-1-2018
- ISO 21809-2-2014
- ISO 21809-4-2009
- ISO 21809-5-2017
- AWWA C213-2022 Mkpuchi EPOXY FUSION KE IKE NA MAKA PIPE mmiri igwe na ihe eji arụ ọrụ.
- JIS G 3442-2023: galvanized ígwè ọkpọkọ maka ọkpọkọ nkịtị
- DIN 30670-1-2024
- DIN 30670-2-2024
- TS EN 10240-1998
- TS EN 10339-2007
- GB/T 23257-2017
- GOST 9.402-2006
- CSA-Z245.20-2022: Osisi etinyere mpụga mkpuchi maka ígwè anwụrụ
- AS 3862-2017 Mpụga ngwakọta-njide epoxy mkpuchi maka ọkpọkọ ígwè
- AS/NZS 2312.2-2014
- TS EN ISO 7005-1-2011 flanges ọkpọkọ - Akụkụ 1: flanges igwe maka sistemu ọkpọkọ ụlọ ọrụ na ọrụ izugbe
- TS EN ISO 7005-2-1988 flanges ọla - Nkebi 2: Nkedo flanges ígwè.
- TS EN ISO 7005-3-1988 flanges ọla - Nkebi 3: alloy ọla na flanges mejupụtara
- ASTM A733-2022
- ASTM A1085/A1085M-2022
- ASME B16.49 -2023
- ASME B16.47-2020 : Nnukwu dayameta ígwè flanges: NPS 26 ruo NPS 60, Metric/inch Standard
- ASME B16.5-2020: Ọkpụkpọ ọkpọkọ na ihe nrụnye: NPS 1/2 site na NPS 24, Metric/inch Standard
- JIS B 2220-2012: Steel ọkpọkọ flanges
- TS EN 1092-2-2023
- GB/T 12459-2017
- GB/T 29168.1-2021
- GOST 12820-1980
- GOST 12821-1980
- CSA Z245.12-2021: flanges ígwè
- AS/NZS 1163-2016: Akụkụ oghere nchara arụrụ arụrụ
- AS 2129-2000: Flanges maka ọkpọkọ, valvụ na akwa akwa
- Chart ibu arọ maka ASME B36.10M
- Pipe arọ Chart maka ISO 4200 table 2 Series 1
- Pipe arọ Chart maka ISO 4200 table 2 Series 2
- Pipe arọ Chart maka ISO 4200 table 2 Series 3
- Pipe arọ Chart maka ISO 4200 table 1: Ọkpụrụkpụ ọkacha mmasị maka tube OD
- nhazi oge 5
- nhazi oge 10
- nhazi oge 20
- usoro 30
- usoro 40
- usoro 60
- usoro 80
- usoro 100
- usoro 120
- usoro 140
- usoro 160
- Pipe arọ Chart maka BS EN 10220 usoro 1
- Pipe arọ Chart maka BS EN 10220 usoro 2
- Pipe arọ Chart maka BS EN 10220 usoro 3
- Pipe arọ Chart maka ASTM A53 tebụl 2.2
- Pipe arọ Chart maka ASTM A53 tebụl 2.3
- ISO 3183-2019
- ASTM A179-2019
- ASTM A671-2000
- ASTM A672-2014
- ASTM A999-2023
- TS EN 10210-1 2006
- TS EN 10210-2-2019
- TS EN 10210-3-2020
- AS 1579-2001