
oldest A671 Pipe Manufacturer, Wide size range in EFW A671 Pipe, find updated ASTM A671 Pipe Price
A671 Pipe is a low temperature pipe specification that can have different material grades under it. The pipes are created by filler material added electric fusion welding. Multi Metals (India) is a leading manufacturer and supplier of the A671 Pipe products in various dimensions and grades for use in various application types. The pipe is made from a pressure vessel quality plate. The pipes are then to be undergone with several tests such as transverse and tension tests.
The ASTM A671 EFW Pipes vary in grades of steel such as CA55, CB60, CD, CH and so on with numerous chemical composition differences and mechanical property deviations. All the pipes are electric fusion welded in this specification. As one of the leading A671 Pipe Manufacturers we produce the pipes ranging from class 10 to class 42. There are schedules 20 through XXS and heavier upon request. The wall thicknesses of the pipes can range up to 250mm and the nominal bore size ranges from 16 inches to 100 inches.
The ASTM A671 Pipe Suppliers produce the pipes in different lengths starting from 5m to 12m as single random, double random and cut to length sizes. The pipes can come with different pipe ends to be fitted onto different components. The pipe ends vary as plain, beveled and coupling ends. Our ASTM A671 Pipe Price is very competitive to the market price and you can order any size of order with us for better pricing. Please contact us for detailed information on the ASTM A671 Carbon Steel Pipe and the prices.
Don't forget to check ASTM A671 Carbon Steel Pipe Dimensions and Weight Chart
Type |
ASTM A671 Gr. CC60/ CC65/ CC70 LSAW / SAW / EFW PIPE |
|
Executive Standard |
API SPEC 5L,GB/T 9711.1,GB/T 9711.2,GB/T 9711.3,SY/T5037 |
|
ASTM A671 |
Standard Specification for Electric-Fusion-Welded Steel Pipe for Atmospheric and Lower Temperatures |
|
ASTM A672 |
Standard Specification for Electric-Fusion-Welded Steel Pipe for High-Pressure Service at Moderate Temperatures |
|
Class Designation |
Class 10, 11, 12, 13, 20, 21, 22, 23, 30, 31, 32, 33, 34, 40, 41, 42, 43, 50, 51, 52, 53, 60, 61, 62, 63, 70, 71, 72, 73.. | |
Size |
Outer Diameter |
Seamless 17-914mm 3/8-36 inch LSAW 457-1422mm 18-56 inch |
Wall Thickness |
2-60mm SCH100 SCH120 SCH140 SCH160 XXS |
|
Length |
Single random length/Double random length 5m-14m,5.8m,6m,10m-12m,12m or as customer's actual request |
|
Ends |
Plain end/Beveled,protected by plastic caps on both ends, cut quare,grooved,threaded and coupling,etc |
|
Surface Treatment |
Bare,Painting black,varnished,galvanized,anti-corrosion |
|
Technical Methods |
Hot-rolled/Cold-drawn/Hot-expanded |
|
Testing Methods |
Eddy current testing, Hydrostatic testing or Ultrasonic examination, NDT and also with chemical and physical property inspection |
|
Packaging |
Small pipes in bundles with strong steel strips,large pieces in loose; Covered with plastic woven bags; Suitable for lifting operation; Loaded in 40ft or 20ft container or in bulk Also according to customer's requests |
|
Application |
Conveying oil, gas and water |
|
MOQ |
1 ton |
|
Production Capacity |
5000 T/M |
|
Delivery Time |
Within 2 Weeks |
we are ASTM A671 Pipe Suppliers, Call for Material test certificate and sample of A671 LSAW Pipe
Class |
Heat Treatment on Pipe Section see: |
Radiography, see Section |
Pressure Test, see : |
10 |
none |
none |
none |
11 |
9 |
none |
|
12 |
9 |
8.3 |
|
13 |
none |
8.3 |
|
21 |
stress relieved, see 6.3.1 |
none |
none |
21 |
9 |
none |
|
22 |
9 |
8.3 |
|
23 |
none |
8.3 |
|
31 |
normalized, see 6.3.2 |
none |
none |
31 |
9 |
none |
|
32 |
9 |
8.3 |
|
33 |
none |
8.3 |
|
40 |
normalized and tempered, see 6.3.3 |
none |
none |
43 |
9 |
none |
|
43 |
9 |
8.3 |
|
43 |
none |
8.3 |
|
50 |
quenched and tempered, see 6.3.4 |
none |
none |
51 |
9 |
none |
|
52 |
9 |
8.3 |
|
53 |
none |
8.3 |
|
60 |
normalized and precipitation heat none none treated |
none |
none |
61 |
9 |
none |
|
62 |
9 |
8.3 |
|
63 |
none |
8.3 |
|
70 |
none |
none |
|
71 |
9 |
none |
|
72 |
9 |
8.3 |
|
73 |
none |
8.3 |
Buy LTCS EFW Pipe according to Standard ASTM A671 at lowest possible price
Pipe Grade |
Type of Steel |
ASTM Specification |
|
No. |
Grade / Class / Type |
||
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 |
CF 65 |
nickel steel |
A203/A203M |
Gr A |
CF 70 |
nickel steel |
A203/A203M |
Gr B |
CF 65 |
nickel steel |
A203/A203M |
Gr D |
CF 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 |
Get ASTM A671 Carbon Steel EFW Pipe Chemical Composition and yeild chart online, refer A671 Welded Pipe Material Equivalent
S1. Tension and Bend Tests
S2. Charpy V-Notch Test (As per A20/20M)
Acceptance Criteria Charpy V-Notch |
Specification and Grade |
Test Temperature, °C for plate Thickness (Unless Otherwise Agreed Upon) |
|||||
Energy Absorption |
|||||||
Class A |
Min. Avg for 3 SpecimenB |
Min For 1 SpecimenB |
25 mm and under |
Over 25 mm to 50 mm, incl |
Over 50 mm to 75 mm, incl |
Over 75 mm to 125 mm, incl |
|
J |
J |
||||||
I |
14 |
10 |
A285 Grade A |
+4 |
+16 |
-- |
-- |
A285 Grade B |
+10 |
+21 |
-- |
-- |
|||
A285 Grade C |
+16 |
+27 |
-- |
-- |
|||
II |
18 |
14 |
A455 |
-4 |
-- |
-- |
-- |
III |
18 |
14 |
A203 Grade A |
-68 |
-68 |
-60 |
-- |
A203 Grade D |
-101 |
-101 |
-87 |
-- |
|||
A516 Grade 55 |
-51 |
-51 |
-46 |
-46 |
|||
A516 Grade 60 |
-51 |
-46 |
-46 |
-46 |
|||
A516 Grade 65 |
-51 |
-56 |
-40 |
-32 |
|||
IV |
20 |
16 |
A203 Grade B |
-68 |
-68 |
-60 |
-- |
A203 Grade E |
-101 |
-101 |
-87 |
-- |
|||
A203 Grade F (100 mm max) |
-- |
-- |
-107 |
-107 |
|||
A516 Grade 70 |
-46 |
-40 |
-35 |
-29 |
|||
A537 Class 1 (64 mm max) |
-62 |
-60 |
-60 |
-- |
|||
A537 Class 2 (Over 64-100 mm) |
|||||||
V |
27 |
20 |
A203 Grade F |
-107 |
-107 |
-- |
-- |
Lateral Expansion mm, Minimum Each Specimen Transverse Test |
|||||||
VI |
0.38 |
A353 |
-196 |
-196 |
-- |
-- |
|
A553 Type I |
-196 |
-196 |
-- |
-- |
|||
A553 Type II |
-170 |
-170 |
-- |
-- |
|||
A517 all (64 mm max thickness) |
C |
C |
-- |
-- |
Note
- A Class I is Other Than Killed with a specified minimum tensile strength of 450 MPa or lower.
- Class II is Other Than Killed with a specified minimum tensile strength of 450 to 520 MPa incl.
- Class III is Killed with a specified minimum tensile strength of 450 MPa or lower.
- Class IV is Killed with a specified minimum tensile strength of 450 to 520 MPa incl.
- Class V is Killed with a specified minimum tensile strength of over 520 MPa to but not including 655 MPa.
- Class VI is Killed with a specified minimum tensile strength of 655 MPa or over.
- B Full size (10 by 10 mm) specimens.
- C Testing temperature as specified in the purchase order, but no higher than 0°C
Specification |
Steel grade |
Chemical composition |
Remarks |
|||||
C |
Si |
Mn |
P |
S |
Ti |
|||
Pipes for pressure service ASTM A671, A672 |
-/A45 |
-/0.17 |
- |
0.98 |
0.035 |
0.035 |
- |
A671/ A672 |
-/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 |
Products |
Steel Grade |
BASE METAL MECHANICAL COMPOSITION |
Welding point tensile strength (N/mm2) |
Remarks |
|||
Yield point (N/mm2) |
Tensile Stregth (N/mm2) |
Test Pieces |
Elongation (%) |
||||
Pipes for pressure service ASTM A671, A672 |
-/A45 |
-/165 |
-/310~450 |
- |
-/30 |
-/310~450 |
A671/ A672 |
-/A50 |
-/185 |
-/345~485 |
-/28 |
-/345~485 |
|||
CA55/A55 |
205 |
380~515 |
27 |
380~515 |
|||
-/B55 |
-/205 |
-/380~515 |
-/27 |
-/380~515 |
|||
CB60/B60 |
220 |
415~550 |
25 |
415~550 |
|||
CB65/B65 |
240 |
450~585 |
23 |
450~585 |
|||
CB70/B70 |
260 |
485~620 |
21 |
485~620 |
|||
-/C55 |
-/205 |
-/380~515 |
-/27 |
-/380~515 |
|||
CC60/C60 |
220 |
415~550 |
25 |
415~550 |
|||
CC65/C65 |
240 |
450~585 |
23 |
450~585 |
|||
CC70/C70 |
260 |
485~620 |
21 |
485~620 |
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- low and medium pressure boiler
- high pressure boiler
- ship-building
- Liquid service
- petroleum cracking
- chemical fertilizer equipment
- Drawing-oil-equipment and structure purposes