ASTM A672 EFW Steel Pipe for High-Pressure Service

ASTM A672 EFW Steel Pipe for High-Pressure Service

ASTM A672 EFW (Electric-Fusion-Welded) Steel Pipes are designed for high-pressure service applications, offering superior strength and durability. Manufactured to comply with ASTM A672 standards, these pipes ensure reliability and performance in demanding environments. Commonly used in industries such as oil and gas, petrochemical, and power generation, ASTM A672 EFW Steel Pipes provide excellent resistance to high pressure and temperature variations. By choosing ASTM A672 EFW Steel Pipes, you guarantee the efficiency, safety, and longevity of your high-pressure piping systems.

Plate Specifications for ASTM A672 EFW Steel Pipe

Pipe Grade	Type of Steel	ASTM Specification No.	Grade
A 45	plain carbon	A285/A285M	A
A 50	plain carbon	A285/A285M	B
A 55	plain carbon	A285/A285M	C
B 60	plain carbon, killed	A515/A515M	60
B 65	plain carbon, killed	A515/A515M	65
B 70	plain carbon, killed	A515/A515M	70
C 55	plain carbon, killed, fine grain	A516/A516M	55
C 60	plain carbon, killed, fine grain	A516/A516M	60
C 65	plain carbon, killed, fine grain	A516/A516M	65
C 70	plain carbon, killed, fine grain	A516/A516M	70
D 70	manganese-silicon, normalized	A537/A537M	Cl-1
D 80	manganese-silicon, Q&T	A537/A537M	Cl-2
H 75	manganese-molybdenum, normalized	A302/A302M	A
H 80	manganese-molybdenum, normalized	A302/A302M	B, C, or D
J 80	manganese-molybdenum, Q&T	A533/A533M	Cl-1B
J 90	manganese-molybdenum, Q&T	A533/A533M	Cl-2B
J 100	manganese-molybdenum, Q&T	A533/A533M	Cl-3B
L 65	molybdenum	A204/A204M	A
L 70	molybdenum	A204/A204M	B
L 75	molybdenum	A204/A204M	C
N 75	manganese-silicon	A299/A299M	A

Heat Treatment Parameters for ASTM A672 EFW Steel Pipe

Pipe Grade	Specification and Grade	Post-Weld Heat-Treat Temperature Range, °F [°C]	Normalizing Temperature, max, °F [°C]	Quenching Temperature, max, °F [°C]	Tempering Temperature, min, °F [°C]
A 45	A 285A	1100–1250 [590–680]	1700 [925]	…	…
A 50	A 285B	1100–1250 [590–680]	1700 [925]	…	…
A 55	A 285C	1100–1250 [590–680]	1700 [925]	…	…
B 60	A515-60	1100–1200 [590–650]	1750 [950]	…	…
B 65	A515-65	1100–1200 [590–650]	1750 [950]	…	…
B 70	A515-70	1100–1200 [590–650]	1750 [950]	…	…
C 55	A516-55	1100–1200 [590–650]	1700 [925]	1650 [900]	1100 [590]
C 60	A516-60	1100–1200 [590–650]	1700 [925]	1650 [900]	1100 [590]
C 65	A516-65	1100–1200 [590–650]	1700 [925]	1650 [900]	1100 [590]
C 70	A516-70	1100–1200 [590–650]	1700 [925]	1650 [900]	1100 [590]
D 70	A537-CI 1	1100–1250 [590–680]	1700 [925]	…	…
D 80	A537-CI 2	1100–1250 [590–680]	…	1650 [900]	1100 [590]
H 75	A 302-A	1100–1250 [590–680]	1800 [980]	…	1100 [590]
H 80	A 302-B, C, or D	1100–1250 [590–680]	1800 [980]	…	1100 [590]
J 80	A 533-C1 1	1100–1250 [590–680]	…	1800 [980]	1100 [590]
J 90	A 533-C1 2	1100–1250 [590–680]	…	1800 [980]	1100 [590]
J 100	A 533-C1 3	1100–1250 [590–680]	…	1800 [980]	1100 [590]
L 65	A 204A	1100–1200 [590–650]	…	…	…
L 70	A 204B	1100–1200 [590–650]	…	…	…
L 75	A 204C	1100–1200 [590–650]	…	…	…
N 75	A299 A	1100–1200 [590–650]	1700 [925]	…	…

Specifications

Standard	ASTM A672 Electric-Fusion-Welded Steel Pipe for High-Pressure Service at Moderate Temperatures
Steel Grade	A45, A50, A55, B60, B65, B70, C55, C60, C65, C70, D70, D80, H75, H80, J80, J90, J100, L65, L70, L75, and N75
Pipe Size	OD: 406.4-1524mm WT: 6-50mm L:5.8m/6m/11.8m/12m
Length	5.8-16m or OEM
End design	1) Bevel the welding ends to an angle of 30°, +5°, -0°, with a root face of 1/16″, +/- 1/32″. The bevel shall form a V groove with an included angle of 60°+10/-0. The root opening shall be 1/16″, +/- 1/32″ according to ANSI B16.25. 2) Plain or straight ends. 3) Threaded ends with coupling or without coupling according to API Spec. 5B.
Packing	Black painted or bare surface, loosely packed
Protective Coatings & Linings	3LPE, 3LPP, FBE, AkzoNobel, HEMPEL, JOTUN, Epoxy Zinc-rich Primer, Liquid Epoxy Resin, etc
Section Shape	Round
Technique	EFW (Electric-Fusion-Welded)
Place of Origin	Made in China
MOQ	25 tons/size
Transportation	Land transportation by truck or train, sea transportation by container ship or bulk ship.

Applications of ASTM A672 Electric-Fusion-Welded Steel Pipe

Oil and Gas Industry:
Pipeline Transportation: Used for transporting oil, gas, and other fluids over long distances, providing reliability and strength.
Offshore Platforms: Applied in structural components and pipelines on offshore oil and gas platforms.
Refineries: Utilized in various piping systems within refineries for processing crude oil and natural gas.

Power Generation:
Power Plants: Used in high-pressure and high-temperature piping systems in thermal power plants, ensuring safe and efficient operation.
Nuclear Plants: Applied in cooling water systems, steam generators, and other critical areas of nuclear power plants.

Water and Wastewater Treatment:
Water Transmission: Used in large-diameter pipes for the transmission of potable water and raw water, ensuring a stable and clean water supply.
Wastewater Systems: Utilized in sewage and wastewater treatment plants for the conveyance of treated and untreated water.

Chemical and Petrochemical Industry:
Process Piping: Applied in process piping systems in chemical plants for handling corrosive and non-corrosive substances safely.
Storage Facilities: Used in piping systems connected to storage tanks for chemicals and petrochemicals.

Construction and Infrastructure:
Structural Components: Utilized in the construction of bridges, buildings, and other infrastructure projects for structural support and integrity.
Utility Piping: Applied in utility systems for steam, water, and other services within buildings and industrial complexes.

Marine Applications:
Shipbuilding: Used in piping systems on ships for fuel, ballast, and other fluid transport, ensuring robust and reliable marine operations.
Harbor and Dock Facilities: Utilized in piping systems for fuel and water distribution in harbor and dock facilities.

Industrial Applications:
Manufacturing Plants: Applied in various piping systems in manufacturing plants for steam, water, and other utility services.
Heavy Equipment: Used in the construction of heavy machinery and equipment requiring robust and durable piping.