A671 EFW Steel Pipe
ASTM A671 EFW pipes have different steel types, such as CA55, CB60, CD, CH, etc., which have many differences in chemical composition and mechanical properties. GNEE Group can supply pipe sizes 20 to XXS and heavier on request. Pipes are available in wall thicknesses up to 250 mm and nominal bore diameters ranging from 16 inches to 100 inches.
Gnee Steel (Tianjin) Co., Ltd. is one of the most reliable manufacturers and suppliers of a671 efw steel pipe in China, also supports customized service with low price. Welcome to wholesale discount a671 efw steel pipe for sale here from our factory. Contact us for free sample.
Carbon Steel A671 EFW Pipe
A671 EFW Carbon Steel Pipe Description
ASTM A671 is the specification for electrofusion welded steel pipe grades. ASTM A671 pipe is welded using filler metal suitable for pressure vessel quality steel. These pipes can operate in both low and high-temperature environments. ASTM A671 Efw Pipes utilize electron beams to form strong joints. These pipes are widely used in petrochemicals, oil and gas systems, shipbuilding, boiler vessels, general-purpose applications, and more.
A671 Carbon Steel EFW Pipe Specification
|
Product Name |
A671 EFW Steel Pipe |
|
Usage |
Used for low-pressure liquid delivery, such as water, gas, and oil. |
|
Standard |
API 5L PSL1/ PSL2 , ASTM A252, EN10219, AWWA C200, ASTM A53, BS, JIS, etc... |
|
ASTM A 53 |
Gr. A, Gr B, Gr C, Gr.D |
|
API 5L |
A, B, X42, X46, X52, X56, X60, X65 X70 |
|
GB/T9711 |
L175, L210, L245, L290, L320, L360, L290, L320, L360, L390, L415, L450, L485, L555 |
|
ASTM A252 |
Gr.1 Gr.2 Gr.3 |
|
EN 10219 |
S235JR, S275JR, S355JR, S355JOH, S355J2, S420... |
|
Outer Diamter |
219.1mm - 4064mm (8" - 160") |
|
Wall Thickness |
4 mm - 25.4mm |
|
Length |
Up to 96m |
ASTM A671 Welded Steel Pipe
Chemical Composition of A671 EFW welded pipe
|
Steel grade |
C max |
Si |
Mn |
P |
S |
|
A45 |
0.17 |
/ |
0.98 |
0.035 |
0.035 |
|
A50 |
0.22 |
/ |
|||
|
CA55/A55 |
0.28 |
/ |
|||
|
B55 |
0.20 |
0.13~0.45 |
|||
|
CB60/B60 |
0.24 |
||||
|
CB65/B65 |
0.28 |
||||
|
CB70/C70 |
0.31 |
1.30 |
|||
|
C55 |
0.18 |
0.55-0.98
|
|||
|
CC60/C60 |
0.21 |
||||
|
CC65/C65 |
0.24 |
0.79-1.30
|
|||
|
CC70/C70 |
0.27 |
Mechanical Properties of A671 Pipe
|
Steel Grade |
Yield point (N/mm2) max |
Tensile Stregth (N/mm2)max |
Elongation (%) |
|
A45 |
165 |
310~450 |
30 |
|
A50 |
185 |
345~485 |
28 |
|
A50 |
185 |
345~485 |
28 |
|
CA55/A55 |
205 |
380~515 |
27 |
|
B55 |
205 |
380~515 |
27 |
|
CB60/B60 |
220 |
415~550 |
25 |
|
CB65/B65 |
240 |
450~585 |
23 |
|
CB70/B70 |
260 |
485~620 |
21 |
|
C55 |
205 |
380~515 |
27 |
|
CC60/C60 |
220 |
415~550 |
25 |
|
CC65/C65 |
240 |
450~585 |
23 |
|
CC70/C70 |
260 |
485~620 |
21 |
About Us
The company implements API SPEC 5CT, API SPEC5L, ASTMA53, CB/T9711.1, GB/T9711.2, GB/T13793, SY/T5768, and other international and domestic standards to meet the needs of customers with different standards.
Our product applications cover oil, natural gas, shipbuilding, chemical industry, environmental protection, boiler
manufacturing, water conservancy, electric power, steel structure products, construction, etc.
Through the efforts of GNEE staff, our products are exported overseas. Our main markets are in the Middle East, Africa, Southeast Asia, and Oceania. We are looking forward to doing business and making friends with customers all over the world.
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