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ASTM A671 Carbon Steel EFW Pipe `Stainless Steel Alloys

A671 Pipe Supplier, A671 EFW Pipe Manufacturer in India
A671 Carbon Steel Material Exporter in India, A671 Welded Pipe at Best Price in India
Steel Alloys manufactures various types of steel pipes, including ASTM A106 GR B, A53 GR B, API 5L GR B, A333 GR 6, and ASTM A671. These pipes are designed for use in normal and lower temperatures and are made using electric-fusion welding with added filler metal. ASTM A671 pipes are made from high-quality pressure vessel plates and come in different strength levels.

The pipes are classified based on the type of plate used and the heat treatment process during manufacturing. Some pipes are tested with X-rays and pressure to ensure quality. All steel specimens from Steel Web undergo tension and transverse weld bend tests to meet required mechanical standards.

ASTM A671 Pipe Composition

ASTM A671 Pipe Specification

Specification
ASTM A671 /ASME SA671
Material Test Certificate
Manufacturer Test Certificate As Per EN10204 3.1, 3.2 / Laboratory Test Certificate From NABL Approved Lab. / Under Third Party Inspection Agency Like SGS, TUV, DNV, LLOYDS, ABS ETC
Grades
Type
EFW (ELECTRIC FUSION WELDED PIPES)
Dimension
All Pipes Is Manufactured and Inspected / Tested to the Relevant standards including ASTM, ASME, API.
Outer Diameter Size
16″ NB To 100″ NB (Nominal Bore Size)
Wall Thickness
Schedule 20 To Schedule XXS (Heavier On Request) Up to 250 mm Thickness
Delivery Conditions
As Rolled, Normalizing Rolled, Thermomechanical Rolled / Formed, Normalizing Formed, Normalized and Tempered / Quenched and Tempered – BR / N / Q /T
Ends
Plain Ends / Beveled Ends / Coupling
Coating
Epoxy Coating / Colour Paint Coating / 3LPE Coating.
Other Testing
NACE MR0175, NACE TM0177, NACE TM0284, CHARPY V-NOTCH TEST, RADIOGRAPHIC EXAMINATION, XRAY, ULTRASONIC EXAMINATION, LIQUID PENETRANT, MAGNETIC PARTICLE, HIC TEST, SSC TEST, SWC, H2 SERVICE, IBR, PWHT etc.
Length
5 To 7 Meters, 09 To 13 Meters, Single Random Length, Double Random Length And Customize Size.
Value Added Services
Draw / Expansion / Machining / Sand Blasting / Shot Blasting / Galavanizing / Heat Treatment
Packaging
Loose / Bundle / Wooden Pallet / Wooden Box / Plastic Cloth Wraps / Plastic End Caps / Beveled Protector
Shipment & Transportation
By Road – Truck / Train, By Sea – Break-bulk Conventional Vessel / FCL (Full Container Load) / LCL (Less Container Load) / 20 Feet Container / 40 Feet Container / 45 Feet Container / High Cube Container / Open Top Container, By Air – Freighter Civil Passenger and Cargo Planes
Class Designation
 CLASS 10, 11, 12, 13, 20, 21, 22, 23, 30, 31, 32, 33, 40, 41, 42

ASTM A671 Pipe Equivalent

ASME SA671 / ASTM A671 GRADE CA55, CB60, CB65, VB70, VV60, VV65, VV70, CD70, CD80, CE55, CE60, CF65, CF70, CF66, CF71, CG100, CH100, CJ101, CJ102, CJ103, CJ104, CJ105, CJ106, CJ107, CJ108, CJ109, CJ110, CJ111, CJ112, CJ113, CK75, CP65, CP75

ASME SA672 / ASTM A672 GRADE A45, A50, A55, B55, B60, B65, B70, C55,C60, C65, C70, D70, D80, E55, E60, H75, H80, J80, J90, J100, K75, K85, L65, L70, L75, N75

ASTM A671 Pipe Types Out diameter Wall thickness Length
ASTM A671 SAW Pipe 16″ NB – 100″ NB As per requirement Custom
ASTM A671 Seamless Pipe (Custom Sizes) 1/2″ NB – 60″ NB SCH 5 / SCH 10 / SCH 40 / SCH 80 / SCH 160 Custom
ASTM A671 ERW Pipe (Custom Sizes) 1/2″ NB – 24″ NB As per requirement Custom
ASTM A671 Welded Pipe (in Stock + Custom Sizes) 1/2″ NB – 24″ NB As per requirement Custom

SPECIAL STEEL

  • Inconel
  • Incoloy
  • Monel
  • Hastelloy
  • Nickel Alloy
  • Alloy 20
  • 904L stainles Steel
  • Titanium
  • Copper
  • Copper Nickel
  • Nimonic
  • Invar
  • AL6XN
  • Stainless Steel
    • Stainless Steel 304
      • Stainless Steel Pipe
      • Stainless Steel Tube
      • Stainless Steel Tubing

    • Stainless Steel 304L
    • Stainless Steel 304H
    • Stainless Steel 310/S
    • Stainless Steel 310H
    • Stainless Steel 316
    • Stainless Steel 316L
    • Stainless Steel 316Ti
    • Stainless Steel 317/L
    • Stainless Steel 347
    • Stainless Steel 347H
    • Stainless Steel 310
    • Stainless Steel 346L
  • Duplex Steel
  • Carban Steel
  • Alloy Steel
  • Alloy 286

ASTM A671 Pipe suppliers

ASTM A671 Seamless Tube

ASTM A671 Schedule 60 Pipe

ASTM A671 Boiler tube

ASTM A671 Condenser Tube

ASTM A671 Carbon Steel Seamless Tubes

ASTM A671 Schedule 40 Pipe

ASTM A671 super heater tubes

ASTM A671 Rectangular Tube

ASTM A671 carbon steel cold drawn tubes

ASTM A671 Square Pipe

ASTM A671 Square hollow section

ASTM A671 Heat-Exchanger Tube

Types of ASTM A671 Pipe

A671 EFW Tubes Manufacturer ASTM A671 CS Round Pipe & Tubes Suppliers
ASTM A671 Carbon Steel Welded Round Pipe & Tubes ASTM A671 submerged arc welded pipe
A671 CS Pipe Manufacturer Carbon Steel Rectangular Pipe
ASTM A671 Welded EFW Pipe manufacturer in India ASTM A671 Tube
A671 Carbon Steel EFW Rectangular Pipe Distributors ASTM A671 fusion welded pipe
A671 EFW Pipe Suppliers CS Square Tubes Suppliers
A671 EFW Tubing ASTM A671 Tube
A671 EFW Square Pipe Distributors A671 EFW Tubing Stockholder
ASTM A671 CS Welded Black Round Pipe Carbon Steel EFW Pipe Dealers
ASTM A671 EFW Pipe Manufacturer A671 Grade EFW Pipe
ASTM A671 Welded EFW Tubing ASTM A671 spiral welded pipe
Carbon Steel EFW Pipe ASTM A671 Pipe
ASTM A671 Welded Square Tubes ASTM A671 spirally welded steel pipes
ASTM A671 Welded Tubing ASTM A671 Pipe

ASTM A671 Pipe Pressure Rating

Maximum working pressure of ASTM A671 Pipe at temperature 400°F

The dimensions – outside pipe diameters and wall thicknesses are according ANSI B36.10.

Maximum Allowable Pressure (psi)
NPS Outside Diameter Schedule
(in) (in) 10 20 30 STD 40 60 XS 80 100 120 140 160 XXS
1/4 0.54 7985 7985 10798 10798
3/8 0.675 6606 6606 9147 9147
1/2 0.84 6358 6358 8575 8575 10908 17150
3/4 1.05 5273 5273 7187 7187 10220 14373
1 1.315 4956 4956 6670 6670 9316 13340
1 1/4 1.66 4133 4133 5638 5638 7380 11276
1 1/2 1.9 3739 3739 5158 5158 7247 10316
2 2.375 3177 3177 4498 4498 7097 8995
2 1/2 2.875 3460 3460 4704 4704 6391 9408
3 3.5 3024 3024 4200 4200 6132 8400
3 1/2 4 2769 2769 3896 3896
4 4.5 2581 2581 3670 3670 4769 5782 7339
5 5.563 2273 2273 3303 3303 4404 5505 6606
6 6.625 2071 2071 3195 3195 4157 5318 6390
8 8.625 1420 1574 1829 1829 2307 2841 2841 3375 4085 4613 5147 4971
10 10.75 1140 1399 1664 1664 2279 2279 2708 3277 3847 4558 5128 4558
12 12.75 961 1268 1441 1560 2160 1922 2644 3244 3843 4324 5042 3843
14 14 875 1092 1313 1313 1533 2079 1750 2625 3283 3829 4375 4921
16 16 766 956 1148 1148 1531 2009 1531 2585 3157 3733 4404 4882
18 18 681 849 1192 1021 1530 2042 1361 2553 3147 3743 4252 4848
20 20 613 919 1225 919 1455 1989 1225 2526 3138 3675 4288 4824
22 22 557 835 1114 835 1949 1114 2506 3063 3619 4176 4733
24 24 510 766 1147 766 1405 1978 1021 2489 3126 3700 4210 4786
30 30 510 817 1021 613 817
32 32 478 766 957 574 1054
34 34 450 721 901 540 992
36 36 425 681 851 510 1021
42 42 583 729 438 875
  • 1 in (inch) = 25.4 mm
  • 1 psi (lb/in2) = 6,894.8 Pa (N/m2) = 6.895×10-2 bar

ASTM A671 Pipe Size Chart

ASTM A671 Pipe Dimensions, NB Size Schedule

NB Size OD 40S 5S 10S S10 S20 S40 S60 XS/80S S80 S100 S120 S140 S160 XXS
mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm
1/8” 10.29 1.2 1.73 2.41
1/4” 13.72 1.7 2.24 3.02
3/8” 17.15 1.7 2.31 3.2
15 1/2” 21.34 2.8 1.7 2.1 2.77 3.73 3.73 4.78 7.47
20 3/4” 26.67 2.9 1.7 2.1 2.87 3.91 3.91 5.56 7.82
25 1” 33.4 3.4 1.7 2.8 3.38 4.55 4.55 6.35 9.09
32 1 1/4” 42.16 3.6 1.7 2.8 3.56 4.85 4.85 6.35 9.7
40 1 1/2” 48.26 3.7 1.7 2.8 3.68 5.08 5.08 7.14 10.2
50 2” 60.33 3.9 1.7 2.8 3.91 5.54 5.54 9.74 11.1
65 2 1/2” 73.03 5.2 2.1 3.1 5.16 7.01 7.01 9.53 14
80 3” 88.9 5.5 2.1 3.1 5.49 7.62 7.62 11.1 15.2
90 3 1/2” 101.6 5.7 2.1 3.1 5.74 8.08 8.08
100 4” 114.3 6 2.1 3.1 6.02 8.56 8.56 11.1 13.5 17.1
125 5” 141.3 6.6 2.8 3.4 6.55 9.53 9.53 12.7 15.9 19.1
150 6” 168.3 7.1 2.8 3.4 7.11 10.97 11 14.3 18.3 22
200 8” 219.1 8.2 2.8 3.8 6.4 8.18 10.3 12.7 12.7 15.1 19.3 20.6 23 22.2
250 10” 273.1 9.3 3.4 4.2 6.4 9.27 12.7 12.7 15.1 19.3 21.4 25.4 28.6 25.4
300 12” 323.9 9.5 4 4.6 6.4 10.3 14.3 12.7 17.5 21.4 25.4 28.6 33.3 25.4
350 14” 355.6 9.5 4 4.8 6.4 7.9 11.1 15.1 12.7 19.1 23.8 27.8 31.8 35.7
400 16” 406.4 9.5 4.2 4.8 6.4 7.9 12.7 16.7 12.7 21.4 26.2 31 36.5 40.5
450 18” 457.2 9.5 4.2 4.8 6.4 7.9 14.3 19.1 12.7 23.8 29.4 34.9 39.7 45.2
500 20” 508 9.5 4.8 5.5 6.4 9.5 15.1 20.6 12.7 26.2 32.5 38.1 44.5 50
550 22” 558.8 9.5 4.8 5.5 6.4 9.5 22.2 12.7 28.6 34.9 41.3 47.6 54
600 24” 609.6 9.5 5.5 6.4 6.4 9.5 17.5 24.6 12.7 31 38.9 46 52.4 59.5
650 26” 660.4 9.5 7.9 13 12.7
700 28” 711.2 9.5 7.9 13 12.7
750 30” 762 9.5 6.4 7.9 7.9 13 12.7
800 32” 812.8 9.5 7.9 13 17.5 12.7
850 34” 863.6 9.5 7.9 13 17.5 12.7
900 36” 914.4 9.5 7.9 13 19.1 12.7

ASTM A671 Pipe Weight

ASTM A671 Pipe Schedule Chart & ASTM A671 Pipe weight
Welded and seamless ASTM A671 Pipe

ASTM A671 Pipe Dimensions and weights section modulus and gallons capacity per linear foot

Size NPS Pipe O.D. Wall Thickness Pipe I.D. Weight per Foot Standard to XXHY Schedule
Pipe #		 Section Modulus Gallon Capacity Per Linear Foot
1/2 0.84 0.109 0.622 0.85 STD 40 .0407 .0158
    0.147 0.546 1.09 XHY 80 .0478 .0122
    0.188 0.464 1.31   160 .0528 .0088
    0.294 0.252 1.72 XXHY   .0577 .0026
3/4 1.05 0.113 0.824 1.13 STD 40 .0705 .0277
    0.154 0.742 1.48 XHY 80 .0853 .0225
    0.219 0.612 1.95   160 .1006 .0153
    0.308 0.434 2.44 XXHY   .1103 .0077
1 1.315 0.133 1.049 1.68 STD 40 .1328 .0449
    0.179 0.957 2.17 XHY 80 .1606 .0374
    0.250 0.815 2.85   160 .1904 .0271
    0.358 0.599 3.66 XXHY   .2136 .0146
1 1/4 1.66 0.140 1.380 2.27 STD 40 .2346 .0777
    0.191 1.278 3.00 XHY 80 .2913 .0666
    0.250 1.160 3.77   160 .3421 .0549
    0.382 0.896 5.22     .4110 .0328
1 1/2 1.90 0.145 1.610 2.72 STD 40 .3262 .1058
    0.200 1.500 3.63 XHY 80 .4118 .0918
    0.281 1.338 4.86   160 .5079 .0730
    0.400 1.100 6.41     .5977 .0494
2 2.375 0.109 2.157 2.64   10 .4205 .1898
    0.154 2.067 3.66 STD 40 .5606 .1743
    0.218 1.939 5.03 XHY 80 .7309 .1534
    0.250 1.875 5.68     .8045 .1434
    0.281 1.813 6.29     .8666 .1344
    0.344 1.687 7.47   160 .9806 .1161
    0.436 1.503 9.04 XXHY   1.1043 .0922
2 1/2 2.875 0.120 2.635 3.53   10 .6870 .2833
    0.203 2.469 5.80 STD. 40 1.0640 .2487
    0.216 2.443 6.14     1.1169 .2435
    0.250 2.375 7.02     1.2468 .2301
    0.276 2.323 7.67 XHY 80 1.3386 .2202
    0.375 2.125 10.02   160 1.6371 .1842
    0.552 1.771 13.71 XXXHY   1.9971 .1280
3 3.50 0.120 3.260 4.34     1.0411 .4336
    0.156 3.188 5.58     1.3122 .4147
    0.172 3.156 6.12     1.4265 .4064
    0.188 3.124 6.66     1.5342 .3984
    0.216 3.068 7.58 STD. 40 1.7241 .3840
    0.250 3.000 8.69     1.9372 .3672
    0.281 2.938 9.67     2.1207 .3521
    0.300 2.900 10.26 XHY 80 2.2253 .3431
    0.438 2.624 14.34   160 2.8774 .2811
    0.600 2.300 18.6 XXHY   3.4243 .2158
3 1/2 4.0 0.120 3.760 4.98   10 1.3776 .5768
    0.226 3.548 9.12 STD. 140 2.3939 .5136
    0.250 3.500 10.02     2.6001 .4998
    0.281 3.438 11.17     2.8562 .4821
    0.318 3.364 12.52 XHY 80 3.1400 .4617
    0.636 2..728 22.87 XXHY   4.8795 .3085
4 4.5 0.120 4.260 5.62   10 1.7612 .7404
    0.156 4.188 7.24     2.2354 .7156
    0.188 4.124 8.67     2.6296 .6942
    0.203 4.094 9.32     2.8173 .6838
    0.219 4.062 10.02     3.0184 .6725
    0.237 4.026 10.80 STD. 40 3.2145 .6613
    0.250 4.000 11.36     3.3611 .6528
    0.281 3.938 12.67   60 3.7021 .6326
    0.312 3.876 13.97     4.0273 .6126
    0.337 3.826 15.00 XHY 80 4.2713 .5972
    0.438 3.624 19.02   120 5.1790 .5361
    0.531 3.438 22.53   160 5.8997 .4822
    0.674 3.152 27.57 XXHY   6.7927 .4054
5 5.563 0.188 5.187 10.80     4.1161 1.0979
    0.219 5.125 12.51     4.7279 1.0716
    0.258 5.047 14.63 STD. 40 5.4500 1.0391
    0.281 5.001 15.87     5.8644 1.0204
    0.312 4.939 17.51     6.4074 .99647
    0.344 4.875 19.19     6.9358 .9696
    0.375 4.813 20.80 XHY 80 7.4300 .9449
    0.500 4.563 27.06   120 9.2534 .8495
    0.625 4.313 32.99   160 10.7976 .7590
    0.750 4.063 38.59 XXHY   12.0954 .6734
6 6.625 0.109 6.407 7.59   5 3.5769 1.6748
    0.134 6.357 9.30   10 4.3475 1.6488
    0.156 6.313 10.79     5.0107 1.6260
    0.188 6.249 12.94     5.9351 1.5937
    0.203 6.219 13.94     6.3804 1.5780
    0.219 6.187 15.00     6.8261 1.5620
    0.250 6.125 17.04     7.6905 1.5306
    0.280 6.065 18.99 STD. 40 8.4958 1.5008
    0.312 6.001 21.06     9.3416 1.4688
    0.344 5.937 23.10     10.111 1.4391
    0.375 5.875 25.05     10.893 1.4082
    0.432 5.761 28.60 XHY 80 12.224 1.3541
    0.500 5.625 32.74     13.711 1.2909
    0.562 5.501 36.43   120 14.9806 1.2346
    0.625 5.375 40.09     16.1821 1.1787
    0.719 5.187 45.39   160 17.8243 1.0977
    0.864 4.897 53.21 XXHY   20.025 .9784
    1.000 4.625 60.13     21.7719 .8727
    1.125 4.375 66.14     23.1237 .7809

ASTM A671 Carbon Steel EFW Pipe Class

Class Heat treatment on pipe RT Pressure test
11
none
?
?
?
12
none
?
?
?
13
none
?
?
?
20
stress relieved
PHWT
?
?
21
stress relieved
PHWT
?
?
22
stress relieved
PHWT
?
?
23
stress relieved
PHWT
?
?
30
normalized
?
?
31
normalized
?
?
32
normalized
?
?
33
normalized
?
?
Class
Heat Treatment on Pipe
Radiography
Pressure Test
10
none
none
none
11
none
9
none
12
none
9
8.3
13
none
none
8.3
21
stress relieved, see 6.3.1
none
none
21
stress relieved, see 6.3.1
9
none
22
stress relieved, see 6.3.1
9
8.3
23
stress relieved, see 6.3.1
none
8.3
31
normalized, see 6.3.2
none
none
31
normalized, see 6.3.2
9
none
32
normalized, see 6.3.2
9
8.3
33
normalized, see 6.3.2
none
8.3
40
normalized and tempered, see 6.3.3
none
none
43
normalized and tempered, see 6.3.3
9
none
43
normalized and tempered, see 6.3.3
9
8.3
43
normalized and tempered, see 6.3.3
none
8.3
50
quenched and tempered, see 6.3.4
none
none
51
quenched and tempered, see 6.3.4
9
none
52
quenched and tempered, see 6.3.4
9
8.3
53
quenched and tempered, see 6.3.4
none
8.3
60
normalized and precipitation heat none none treated
none
none
61
normalized and precipitation heat none none treated
9
none
62
normalized and precipitation heat none none treated
9
8.3
63
normalized and precipitation heat none none treated
none
8.3
70
normalized and precipitation heat none none treated
none
none
71
normalized and precipitation heat none none treated
9
none
72
normalized and precipitation heat none none treated
9
8.3
73
normalized and precipitation heat none none treated
none
8.3