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API Spec 2B
Specification for the Fabrication of Structural Steel Pipe with API Monogram
API Spec 2W
Specification for Steel Plates for Offshore Structures, Produced by Thermo-Mechanical Control Processing (TMCP), Sixth Edition
API Spec 2Y
SPECIFICATION FOR STEEL PLATES, QUENCHED-AND-TEMPERED, FOR OFFSHORE STRUCTURES
This specification covers the fabrication of structural steel pipe formed from plate steel with longitudinal and
circumferential butt-welded seams, typically in sizes 14 in. outside diameter (OD) and larger (40 in. and larger for LWDS)
with wall thickness 3/8 in. and greater (up to a nominal 40 ft in length) suitable for use in construction of welded offshore structures.
The use of the ERW process or spiral welded pipe is not included in this specification. Pipe fabricated under this specification is
intended to be used primarily in piling and main structural members, including tubular truss connections, where internal stiffeners are not usually required.
What are the differences between API 2B and API5L standards?
API 2B and API 5L are both standards developed by the American Petroleum Institute (API) for the steel pipes used in the oil and gas industry,
but they serve different purposes and have distinct specifications. Here are the key differences between API 2B and API 5L standards:
Purpose:
API 2B: This standard specifically covers the fabrication of structural steel pipe suitable for use in marine environments. It is primarily used for
offshore structures, such as platforms, pipelines, and other related structures.
API 5L: This standard, on the other hand, covers the specifications for line pipe used in the transportation of oil, natural gas, and other fluids.
It is designed for conveying applications rather than structural purposes.
Scope:
API 2B: The scope of API 2B is limited to welded steel pipe for offshore structures, including pipelines, risers, and other related equipment.
API 5L: API 5L covers a broader range of applications, including both seamless and welded steel pipes used for transporting fluids in the
oil and gas industry. It includes various grades and types of pipes suitable for different operating conditions.
Grades:
API 2B: This standard typically specifies steel grades suitable for marine environments, with emphasis on corrosion resistance and structural integrity.
Common grades include API 2H, API 2W, and API 2Y.
API 5L: API 5L includes several different grades of steel pipe, categorized by yield strength and chemical composition. These grades range from
Grade A to Grade X80 and higher, with varying properties to suit different operating conditions.
Manufacturing Process:
API 2B: The fabrication of API 2B-compliant steel pipe involves welding and other fabrication processes suitable for offshore structures.
Quality control measures are implemented to ensure the integrity of the welds and the overall structural performance.
API 5L: The manufacturing process for API 5L-compliant pipe includes both seamless and welded methods. Seamless pipes are produced by
hot rolling or cold drawing, while welded pipes are manufactured by either electric resistance welding (ERW), submerged arc welding (SAW),
or other suitable methods.
Testing and Inspection:
Both standards require rigorous testing and inspection procedures to ensure compliance with the specified requirements. This may include
non-destructive testing (NDT), mechanical testing, chemical analysis, dimensional inspection, and other quality control measures.
In summary, while both API 2B and API 5L standards govern steel pipes used in the oil and gas industry, they serve different purposes and
have distinct specifications tailored to their respective applications in offshore structures and pipeline transportation.
Inspection & Approval Certificates : C/W Certificate (Calibration Works Certificate) EN-10204 3.1 / DIN-50049 3.1 / ISO-10474 3.1 Mill Test Certificate,
Material Test Certificate, NACE-HIC TM-0284 / NACE-MR-0103 / NACE-MR-0175 / ISO-15166, BS EN-9001, BS EN-9100, AS-9100, AS-9100D,
IATF-16949, NADCAP Certified, ITAR Compliant, CE-Marked, CE-Marking, European Pressure Equipment Directive PED-2014/68/EU, AD-2000-WO,
ASME Boiler & Pressure Vessel Code Section-II Part A Edition 2021, API-6A (American Petroleum Institute), with EN-10204 3.2 Certificate
Duly Certified & Approved by IBR (Indian Boiler Regulations), IACS Class, LR Class (Lloyd’s Register), GL (Germanischer Lloyd), BV (Bureau Veritas),
DNV (Det Norske Veritas), ABS Class (American Bureau of Shipping), SGS, TUV, RINA, IR Class (Indian Register of Shipping), DGAQA Approved,
NORSOK Approved Standard M-630, M-650 Rev.3, DFAR/DFARS Compliant, NADCAP Certified For Ministry of Defence, DRDO, DGQA Approved,
Indian Ordnance Factory, Heavy Vehicle Factory, Bharat Electronics Limited (BEL), Hindustan Aeronautics Limited (HAL), Bharat Forge Limited,
Mishra Dhatu Nigam Limited (MIDHANI), Bharat Dynamics Limited (BDL), Indian Navy (Naval Dockyard), Mazagon Dock Shipbuilders Limited (MDL),
Bharat Heavy Electricals Limited (BHEL), National Thermal Power Corporation Limited (NTPC), Yantra India Limited (YIL), Aerospace, Aviation,
Electric Vehicles, Armour Vehicle, Armor Vehicle, Automotive, Automobile, Railways, Medical Equipments, Military Missiles, Energy, Power Sector,
Electronics, Power Generation, Oil & Gas, Petroleum, Natural Gas, Wind Mill, Turbine, Engine, Boilers
Heat Treatment Supply Condition : Annealed, Normalized, Hardened & Tempered, Quenched & Tempered, Oil Quenching, Water Quenching, TMCP
Heat-Treatment Supply-Condition : Soft Annealed, Normalize, Normalized Rolled, Normalized & Tempered, H&T, Q&T, Oil-Quenched, Water-Quenched
Make And Origin : India, Japan, Korea, Russia, China, Europe, Germany, Spain, Italy, Belgium, France, Sweden, Switzerland, Austria, U.K, America, USA
Make And Origin : Indian, Japanese, Korean, Russian, Chinese, European, Swedish, UK, American, United Kingdom, U.S.A
If you have any requirement of above items, please feel free to contact us
Regards,
CONTACT PERSON :
MUKESH SHAH
Director
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