ASTM A671 EFW Steel Pipe for Atmospheric and Lower Temperatures

ASTM A671 EFW Steel Pipe for Atmospheric and Lower Temperatures

ASTM A671 EFW (Electric-Fusion-Welded) Steel Pipes are specifically designed for atmospheric and lower temperature service. These pipes are manufactured according to ASTM A671 standards, ensuring superior strength, durability, and reliability. Ideal for use in various industries, including oil and gas, petrochemical, and power generation, ASTM A671 EFW Steel Pipes perform exceptionally well in environments subject to lower temperature fluctuations. Selecting ASTM A671 EFW Steel Pipes ensures optimal performance, safety, and longevity for your piping systems operating under atmospheric and low-temperature conditions.

Plate Specifications for ASTM A671 EFW Steel Pipe

Pipe Grade	Type of Steel	ASTM Specification
CA 55	plain carbon	A285/A285M Gr C
CB 60	plain carbon, killed	A515/A515M Gr 60
CB 65	plain carbon, killed	A515/A515M Gr 65
CB 70	plain carbon, killed	A515/A515M Gr 70
CC 60	plain carbon, killed, fine grain	A516/A516M Gr 60
CC 65	plain carbon, killed, fine grain	A516/A516M Gr 65
CC 70	plain carbon, killed, fine grain	A516/A516M Gr 70
CD 70	manganese-silicon, normalized	A537/A537M Cl 1
CD 80	manganese-silicon, quenched and tempered	A537/A537M Cl 2
CFA 65	nickel steel	A203/A203M Gr A
CFB 70	nickel steel	A203/A203M Gr B
CFD 65	nickel steel	A203/A203M Gr D
CFE 70	nickel steel	A203/A203M Gr E
CG 100	9 % nickel	A353/A353M
CH 115	9 % nickel	A553/A553M Type 1
CJA 115	alloy steel, quenched and tempered	A517/A517M Gr A
CJB 115	alloy steel, quenched and tempered	A517/A517M Gr B
CJE 115	alloy steel, quenched and tempered	A517/A517M Gr E
CJF 115	alloy steel, quenched and tempered	A517/A517M Gr F
CJH 115	alloy steel, quenched and tempered	A517/A517M Gr H
CJP 115	alloy steel, quenched and tempered	A517/A517M Gr P
CK 75	carbon-manganese-silicon	A299/A299M Gr A
CP85	alloy steel, age hardening, quenched and precipitation heat treated	A736/A736M Gr A, Class 3

Heat Treatment Parameters for ASTM A671 EFW Steel Pipe

Pipe Grade	ASTM Specification, Grade, Class, Type	Post-Weld Heat-Treatment Temperature Range °F [°C]	Normalizing Temperature, max, unless otherwise noted °F [°C]	Quenching Temperature, max, unless otherwise noted °F [°C]	Tempering Temperature, min, °F [°C]	Precipitation Heat Treatment Temperature Range °F [°C]
CA 55	A285/A285M (C)	1100–1250 [590–680]	1700 [925]	None	None	None
CB 60	A515/A515M (60)	1100–1250 [590–680]	1750 [950]	None	None	None
CB 65	A515/A515M (65)	1100–1250 [590–680]	1750 [950]	None	None	None
CB 70	A515/A515M (70)	1100–1250 [590–680]	1750 [950]	None	None	None
CC 60	A516/A516M (60)	1100–1200 [590–650]	1700 [925]	1700 [925]	1100 [590]	None
CC 65	A516/A516M (65)	1100–1200 [590–650]	1700 [920]	1700 [920]	1100 [590]	None
CC 70	A516/A516M (70)	1100–1200 [590–650]	1700 [925]	1700 [925]	1100 [590]	None
CD 70	A537/A537M (Cl 1)	1100–1250 [590–680]	1700 [925]	None	None	None
CD 80	A537/A537M (Cl 2)	1100–1250 [590–680]	None	1650 [900]	1100 [590]	None
CFA 65	A203/A203M (A)	1100–1175 [590–635]	1750 [950]	None	None	None
CFB 70	A203/A203M (B)	1100–1175 [590–635]	1750 [950]	None	None	None
CFD 65	A203/A203M (D)	1100–1175 [590–635]	1750 [950]	None	None	None
CFE 70	A203/A203M (E)	1100–1175 [590–635]	1750 [950]	None	None	None

Specifications

Standard	ASTM A671 Electric-Fusion-Welded Steel Pipe for Atmospheric and Lower Temperatures
Steel Grade	CA 55, CB 60, CB 65, CB 70, CC 60, CC 65, CC 70, CD 70, CD 80, CFA 65, CFB 70, CFD 65, CFE 70, CG 100, CH 115, CJA 115, CJB 115, CJE 115, CJF 115, CJH 115, CJP 115, CK 75, and CP 85
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 A671 Electric-Fusion-Welded Steel Pipe

Oil and Gas Industry:
Pipeline Transportation: Used for transporting oil, gas, and other fluids over long distances.
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.
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.
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.
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.
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.
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.