Alloy Steel Seamless Pipe

ASTM A335 High pressure steel pipe supplier for boilers and heat exchangers

Check Low Alloy Steel Boiler Pipe sizes and dimensions

Alloy Steel Pipe

Alloy Steel Pipe

Alloy Steel Welded Pipe

Alloy Steel Welded Pipe

alloy steel seamless pipe

Alloy Steel Seamless Pipe

Low Alloy Steel materials are produced in different specifications. The A335 is a specification for seamless ferritic alloy steel pipe. These Alloy steel seamless pipes are intended for high temperature services. There are also the High Alloy Steel materials. There are different grades in this material specification. There are P1, P2 through P91 and P92 grades. The most commonly used are the p5, p9, p11, p22, p91 and the p91 grades. The 4140 Alloy Steel Pipe has carbon at 0.38 – 0.43%, manganese at 0.75 to 1.00%, phosphorus at 0.04%, sulfur at 0.04%, silicon at 0.15 – 0.35%, chromium at 0.8 to 1.10% and molybdenum at 0.15% - 0.25% at maximum in its composition. The material could be heat treated to be annealed and normalized in the air or be quenched and tempered in polymer or oil. The 4130 Alloy Steel has a lower carbon of 0.28% - 0.33% and other elements in slightly higher quantities. And this material is readily machinable. The 4140 Low Alloy Steel has a range of 2.375 inches to 12.750 inches of outer diameter with the wall thickness ranging from 0.375 inches to 1.5 inches. The 4145 Alloy Steel has slightly higher carbon content than the 4140 and the 4130 types of pipes.

Table of content


Specification Of Alloy steel Pipes & Tubes(Seamless/ Welded/ ERW)

Size Range 1/8" - 26"
Schedules 20 SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Standards ASME, ASTM
Type Seamless / ERW / Welded / Fabricated / LSAW Pipes
Form Round, Square, Rectangular, Hydraulic Etc.
End Plain End, Beveled End, Treaded.
Length Single Random, Double Random & Cut Length, Min 3 Meters, Max18 Meters, or according to customer’s requirement
Dimensions ASTM, ASME and API
Size ½” nominal through 60” OD
Wall Thickness up through 4” thick& heavier upon request
Alloy Steel Pipes Specifications & Grades
Alloy Steel Tubes Specifications & Grades
Origin European, Japanese, Korean, US, Russian, Indian (Strictly No Chinese Material)
Specialized in Large Diameter Alloy Steel Pipe, alloy steel seamless pipe suppliers, alloy steel erw tubes, welded alloy steel pipes 

Alloy Steel Tube

Grade Temper Specification
4130 N MILT6736, AMS6360, AMS6371
4140 A, N, T AMS6381
15CDV6 T980, T1080 AIR9160C, 1.7734.5, 1.7734.6

Alloy Steel Pipe Suppliers Price in India

Size" MSL Make ISMT make JSL Make
1/2"
2,058.82
2,051.47
2,066.18
3/4"
1,838.24
1,830.88
1,845.59
1"
1,691.18
1,683.82
1,698.53
1.25"
1,647.06
1,639.71
1,654.41
1.5"
1,544.12
1,536.76
1,551.47

Alloy Steel Pipe Pressure Rating

Maximum working pressure of Welded Alloy Steel Pipes at temperature 400°F

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) = 6.895x10-2 bar

Alloy Steel Pipe Types Out diameter Wall thickness Length
NB Sizes (in stock) 1/8” ~ 8” SCH 5 / SCH 10 / SCH 40 / SCH 80 / SCH 160 Upto 6 Meters
Alloy Steel Seamless Pipe (Custom Sizes) 5.0mm ~ 203.2mm As per requirement Upto 6 Meters
Alloy Steel Welded Pipe (in Stock + Custom Sizes) 5.0mm ~ 1219.2mm 1.0 ~ 15.0 mm Upto 6 Meters

Alloy Steel Pipe suppliers

Alloy Steel Seamless Pipe
Alloy Steel Seamless Pipe
Welded Low Alloy Steel Pipes
Welded Low Alloy Steel Pipes
Ferritic Alloy Steel Square hollow section
Ferritic Alloy Steel Square hollow section
IBR Alloy Steel Exhaust Pipe
IBR Alloy Steel Exhaust Pipe
High Temperature Low Alloy Steel ERW Tubes
High Temperature Low Alloy Steel ERW Tubes
Chrome Molybdenum Alloy Steel Lined pipe
Chrome Molybdenum Alloy Steel Lined pipe
High Alloy Steel Square Pipe
High Alloy Steel Square Pipe
Chromium Alloy Steel Line pipe
Chromium Alloy Steel Line pipe
Chrome Alloy Steel Schedule 80 Pipe
Chrome Alloy Steel Schedule 80 Pipe
Low Alloy Rectangular Tube
Low Alloy Rectangular Tube
Cast Alloy Steel Schedule 40 Pipe
Cast Alloy Steel Schedule 40 Pipe
Chromoly Steel Alloy Schedule 60 Pipe
Chromoly Steel Alloy Schedule 60 Pipe

Alloy Steel Seamless Pipe Suppliers Weight

Welded Alloy Steel Pipe stockist in Mumbai

Alloy Steel Pipe Suppliers in India 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 A335 Chrome Moly Pipe, ASTM A335 Pipe, ASME SA335M Alloy Steel Pipes, ASTM A691 Alloy Steel EFW Pipes, A335 High Pressure Pipe
Alloy Steel A213 Heat Ex-changer Tubes, Alloy Steel Pipe, ASTM A213 Tube, Alloy Steel Chrome Moly Tubing, High Temp Alloy Steel Pipe, High Temp Low Alloy Steel Pipe, Cast Alloy Steel Pipe

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