ASTM A671 Efw/LSAW Carbon Steel Pipe for Low-Temperature Cc60/Cc65/Cc70 Atmospheric Pressure Applications

• Customization: Available
• After-sales Service: 24h Onilne Service
• Warranty: Third Party Inspection
• Model NO.: ASTM A671
• Type: Welded
• Technique: Hot Rolled
• Material: Carbon Steel
• Surface Treatment: Black
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
• Section Shape: Round
• Product Status: High Quality Factory of Boiler Seamless Carbon
• Standard: API 5L Psl1/2, ASTM A53, En10217/9, ASTM A500/252
• Steel Grade 1: API 5L : Gr B-X80 GB: Q195-Q345, L245-L555
• Steel Grade 2: ASTM : Gr.a-Gr.C, Gr.1-Gr.3
• Steel Grade 3: En: S235, S275, S460
• Process: Longitudinal Submerge-Arc Welded (Jcoe)
• Certificate: API 5L Psl1 / Psl2, ISO 9001-2008
• Mill Test Certificate: En 10204/3.1
• Od: 100 - 1000mm (18- 72′′)
• Wt: 6-60mm
• Length: 6-12m
• Package: Packed by Bundles, Plastic Bags, Wooden Case
• Application1: Oil/Gas Transport, Water, Fluid Transport
• Application2: Construction Project, Bridge, Road Construction
• Application3: Power, Chemical, Electrical Plant, Engineering
• Transport Package: Packed by Bundles, Plastic Bags, Wooden Case, etc.
• Trademark: EZS
• Origin: China
• Production Capacity: 5000tons/Year

Product Description

Product Description

ASTM A671 EFW/LSAW Carbon Steel Pipe for Low-Temperature CC60/CC65/CC70 Atmospheric Pressure Applications

Item	Longitude Welded Steel Pipe
Material	API 5L PSL1/2,ASTM A53, EN10217/9, ASTM A500/252/672, DIN 2458,GB/T9711, etc.
Wall Thickness	6.5-60mm
Length	6m,11.8m,12m,other length is available according to demands
Size	219-2200mm
Surface Treatment	Black Paint, Varnish, Oil, Galvanized, Anti-corrosion coated (3PE,3lpe)
Pipe Ends	Two ends of the beveled ends, plastic, CAPS(small OD), iron protector(large OD), pipe ends with steel support for thin wall
Certificates	API 5L, ISO 9001, SGB, BV, CCIC
Application	Liquid delivery, structure pipe, gas delivery,etc
Delivery	15-45 Days, It depends on the specific situation and quantity

High-Performance Welded Pipes for Cryogenic and Atmospheric Pressure Applications

Our ASTM A671 carbon steel pipes are specially engineered for low-temperature service in atmospheric pressure environments. Manufactured through Electric Fusion Welding (EFW) or Submerged Arc Welding (LSAW) processes, these pipes deliver reliable performance in demanding industrial applications where temperature resistance and structural integrity are critical.

Key Specifications

Parameter	Details
Standard	ASTM A671 (ASME SA671)
Grades Available	CC60, CC65, CC70
Manufacturing	EFW (Electric Fusion Welded) / LSAW (Longitudinal SAW)
Size Range	OD: 16" - 100" (406mm - 2540mm)
Wall Thickness	6mm - 50mm
Length	5m - 12m (custom lengths available)
Design Temp	-45°C to +50°C (Low-Temperature Service)
Pressure Rating	Suitable for atmospheric pressure vessels
End Preparation	Plain end, beveled end, or grooved

Material Advantages

• Excellent low-temperature toughness with Charpy V-notch impact tested properties

• Precise chemical composition controlled for weldability and durability

• Stress-relieved for dimensional stability

• Consistent wall thickness throughout pipe length

• Multiple testing options including hydrostatic, UT, RT, and PMI

Typical Applications

• Cryogenic storage tanks (LNG, liquid nitrogen/oxygen)

• Atmospheric pressure vessels in petrochemical plants

• Low-temperature process piping systems

• Refrigeration system components

• Industrial gas handling equipment

About EZ STEEL Group

Detailed Photos

Packaging and Delivery

FAQ

Q:  How many days can you deliver after confirmed the order?
A:  For stock:  within 5-7 days;
      For customized product:  around 30 days;
      For special sizes:  subject to negotiation.

Q: How does your company do quality control?
A: ISO 9001:2015 certified;
     Product certificate as per EN10204 3.1 or 3.2 as per customer's request.
    
  
Q: Can I have a factory-visit?
A:  Surely. All customers are welcome to visit us in China.

Q: Can I have a trial order?
A: Of course, it is an honor for us to have the opportunity to show our quality and service. 
 

Company Profile

	Business Type:	Manufacturer/Factory
	Main Products:	Carbon Steel Pipe , Stainless Steel Pipe , Copper Nickel Tube , Heat Exchanger Tube , Boiler ...
	Registered Capital:	2000000 RMB
	Plant Area:	>2000 square meters
	Management System Certification:	ISO 9001, ISO 14001, OHSAS/ OHSMS 18001, ANSI/ESD
	Average Lead Time:	Peak Season Lead Time: 1-3 months Off Season Lead Time: within 15 workdays

SGS Serial NO. :

QIP-ASI199413Report Verification

EZ STEEL INDUSTRIAL Co., Ltd, together with LONG-RUN METALS Co., Ltd, is the export division and window company of EZ STEEL GROUP, which was founded in 1996 and has been committed to the development and manufacturing of industrial tubes in the past 20 years. It is one of the largest steel tube manufacturing enterprise groups in China. The group possess fixed assets over 200million and more than 800 employees with annual production capacity over 300 thousand tons.

The company has continuously introduced the world advanced manufacturing equipment and now is able to produce welded and seamless steel tube, copper tube and nickle alloy tube. We also have our own coating facilities and workshops for further processing. After years of development, EZ STEEL GROUP and the affiliated enterprises have obtained many kinds of domestic and international certifications including ISO 9001 Quality Management System Certification, ISO14000 Environment Management System Certification, CE, License for Manufacture of Pressure Piping in China, etc. The company has obtained good domestic achievements and is the nominated supplier of CNPC and CNOOC. The product are exported to Southeast Asia, the Middle East and Africa, Europe, Australia, North and Latin Americas via trade companies, and are widely used in pipeline works, foundation works, steel structure works, boiler and condenser fabrication, oil refinery plant, power plant, sugar-making plant, ship-building and offshore construction projects etc.

Holding the concept of First-class Brand, First-class Service, First-class Value, EZ STEEL GROUP is aiming to build up a win-win enterprise platform for both our customers and employees.

CONTACT US
Contact: Rosy Xu
EZ STEEL INDUSTRIAL CO., LTD
Add: No.199,  Xiangfu Road, Yuhua Industrial Zone, Changsha City , P.R China 

Pls. do not hesitate to contact me if you have any questions!

You are warm welcomed to visit our factory!!!

Thank you for visiting our products & Looking forward to hearing from you!