Alloy Steel Seamless Pipe

ASTM A335 Alloy Steel ERW Pipe Supplier in India

ASTM A335 Alloy steel erw pipe dimensions vary according to the ASTM, ASME and API standards. The sizes range from 1/8 inches to 30 inches in nominal bore size. The Seamless alloy steel pipe is very common in precise applications and the tube sizes range from ½ inches to 5 inches in outer diameter. The outer diameter of the products range from 6mm to 2500mm depending on the product and requirement. The High strength low alloy steel pipe is made up of stronger alloys. The alloying material differs from grade to grade and the mechanical properties vary as well.

Alloy Steel Seamless Pipe

Alloy Steel Seamless Pipe

Alloy Steel ERW Pipe

Alloy Steel ERW Pipe

The wall thickness of the pipes vary from 1mm to 200mm based on the schedules and pressure requirements. The schedules range from sch20 through XXS. The 1-1/4cr-1/2mo Alloy steel pipe manufacturers in india produce these different types of alloy steel pipes with improved corrosion resistance and strength. The length of the pipes can vary up to 13500mm. The 4140 Alloy steel pipe has 655MPa minimum yield strength and 415MPa minimum yield strength.


This is one of the high tensile pipes in the alloy steel grades. The Welded Alloy steel pipe is used in a range of applications such as oil and gas, petrochemical, power plant, cooler, super heater and condenser applications. The welding of each different grade differs. Most of the Seamless ferritic alloy-steel pipe types can be welded with conventional welding methods. A few grades require particular welding methods and post weld heat treatments as well.

Get 1-1/4cr-1/2mo alloy steel pipe and Chromoly head tube from Schedule 5 upto Sch xs.


Alloy Steel Seamless Pipe Specifications List


Specifications American Society for Testing and Materials A335 / SA335
Specialized in Heavy Duty Alloy Steel Pipes Clamp, Alloy Steel Drill Pipes
Standard DIN, ASTM, AISI, EN, JIS, GB, ASME
Schedule Chart Schedule 5, 10, 40, 80, 80S, 160, XXS, XS
Outer Diameter Sizes up to 12” NB, 6.00 milimeter Other Daimeter up to 250 milimeter Other Daimeter
Form Square, Round, Hollow, Coiled, Hydraulic, Rectangular, “U” Shape, Straight Pipes etc.
Finish Polished, Annealed & Pickled, Bright & Annealed, etc
Sizes (Welded) 5.0 milimeter - 1219.2 milimeter
End Beveled End, Plain End, Treaded.
Type ERW/ Seamless / EFW / Fabricated / Welded / DOM / CDW / CEW Pipes
Size range 5.0 milimeter - 1219.2 milimeter
Thickness 0.3milimeter – 50 milimeter
Length Double Random, Single Random, Cut length

Wall Thickness of ASTM A335 chrome moly pipe


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

Check Working Pressure of Schedule 40 Low Alloy Welded Pipe, Reputed Chrome moly Steel boiler tubes manufacturer in India.


Pressure Rating of Alloy Steel Pipes


NPS OD Sch
(inches) (inches) 10 20 STD 30 XS 40 60 80 100 XXS 120 140 160
3/8 0.675 6606 9147 6606 9147
1/2 0.84 6358 8575 6358 8575 17150 10908
1 1.315 4956 6670 4956 6670 13340 9316
1 1/4 1.66 4133 5638 4133 5638 11276 7380
2 2.375 3177 4498 3177 4498 8995 7097
2 1/2 2.875 3460 4704 3460 4704 9408 6391
3 1/2 4 2769 3896 2769 3896
4 4.5 2581 3670 2581 3670 7339 4769 5782
6 6.625 2071 3195 2071 3195 6390 4157 5318
8 8.625 1420 1829 1574 2841 1829 2307 2841 3375 4971 4085 4613 5147
12 12.75 961 1441 1268 1922 1560 2160 2644 3244 3843 3843 4324 5042
14 14 875 1092 1313 1313 1750 1533 2079 2625 3283 3829 4375 4921
18 18 681 849 1021 1192 1361 1530 2042 2553 3147 3743 4252 4848
20 20 613 919 919 1225 1225 1455 1989 2526 3138 3675 4288 4824
24 24 510 766 766 1147 1021 1405 1978 2489 3126 3700 4210 4786
30 30 510 817 613 1021 817
34 34 450 721 540 901 992
42 42 583 438 729 875

Refer 4140 alloy steel round tube Weight Chart, High strength low alloy seamless steel pipe Chemical and mechanical properties.

Alloy Steel ERW Pipe Weight Chart


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

Seamless Ferritic Alloy-Steel Pipes Grades Chart


NB OD Size 40S 5S 10S S10 S20 S60 S40 S80 XS/80S S120 S100 S160 S140 XXS
13.72 1/4 1.7 2.24 3.02
17.15 3/8 1.7 2.31 3.2
20 26.67 3/4 2.9 1.7 2.1 2.87 3.91 3.91 5.56 7.82
25 33.4 1 3.4 1.7 2.8 3.38 4.55 4.55 6.35 9.09
32 42.16 1 1/4 3.6 1.7 2.8 3.56 4.85 4.85 6.35 9.7
40 48.26 1 1/2 3.7 1.7 2.8 3.68 5.08 5.08 7.14 10.2
50 60.33 2 3.9 1.7 2.8 3.91 5.54 5.54 9.74 11.1
65 73.03 2 1/2 5.2 2.1 3.1 5.16 7.01 7.01 9.53 14
90 101.6 3 1/2 5.7 2.1 3.1 5.74 8.08 8.08
100 114.3 4 6 2.1 3.1 6.02 8.56 8.56 11.1 13.5 17.1
150 168.3 6 7.1 2.8 3.4 7.11 11 10.97 14.3 18.3 22
300 323.9 12 9.5 4 4.6 6.4 14.3 10.3 17.5 12.7 25.4 21.4 33.3 28.6 25.4
350 355.6 14 9.5 4 4.8 6.4 7.9 15.1 11.1 19.1 12.7 27.8 23.8 35.7 31.8
450 457.2 18 9.5 4.2 4.8 6.4 7.9 19.1 14.3 23.8 12.7 34.9 29.4 45.2 39.7
500 508 20 9.5 4.8 5.5 6.4 9.5 20.6 15.1 26.2 12.7 38.1 32.5 50 44.5
600 609.6 24 9.5 5.5 6.4 6.4 9.5 24.6 17.5 31 12.7 46 38.9 59.5 52.4
650 660.4 26 9.5 7.9 13 12.7
750 762 30 9.5 6.4 7.9 7.9 13 12.7
800 812.8 32 9.5 7.9 13 17.5 12.7
900 914.4 36 9.5 7.9 13 19.1 12.7

Equivalent grades of SA335M Alloy Steel Pipes


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

Mechanical Analysis of Schedule 40 Low Alloy Welded Pipe


Tensile Strength, MPa Elongation, % Yield Strength, MPa
415 min 30 min 205 min

Alloy steel round tube Chemical Composition Table


Alloy Steel C Cr Mn Mo P S Si
0.05 – 0.15 1.00 – 1.50 0.30 – 0.60 0.44 – 0.65 0.025 max 0.025 max 0.50 – 1.00

List of Low alloy seamless steel pipe Types


34CrMo4 42CrMo4 42CrMo Seamless Steel pipe Alloy steel pipe
34CrMo4 42CrMo4 42CrMo Seamless Steel pipe Alloy steel pipe
High Precision 4140 Chrome Moly Steel Pipes
High Precision 4140 Chrome Moly Steel Pipes
High pressure 15CrMoG Alloy seamless steel pipe
High pressure 15CrMoG Alloy seamless steel pipe

Boiler alloy steel tube seamless steel pipe
Boiler alloy steel tube seamless steel pipe
High pressure vessel 3 inch Sch40 seamless alloy steel pipe
High pressure vessel 3 inch Sch40 seamless alloy steel pipe
8 mm seamless 4135 alloy tubing 40mm steel tube
8 mm seamless 4135 alloy tubing 40mm steel tube

Alloy steel boiler tubes Outside Diameter & Tolerance


ASTM A450 Hot rolled Outside Diameter, mm Tolerance, mm
OD≤101.6 +0.4/-0.8
101.6<OD≤190.5 +0.4/-1.2
190.5<OD≤228.6 +0.4/-1.6
Cold Drawn Outside Diameter, mm Tolerance, mm
OD<25.4 ±0.10
25.4≤OD≤38.1 ±0.15
38.1<OD<50.8 ±0.20
50.8≤OD<63.5 ±0.25
63.5≤OD<76.2 ±0.30
76.2≤OD≤101.6 ±0.38
101.6<OD≤190.5 +0.38/-0.64
190.5<OD≤228.6 +0.38/-1.14
ASTM A530 & ASTM A335 NPS Outside Diameter, inch Tolerance, mm
1/8≤OD≤1-1/2 ±0.40
1-1/2<OD≤4 ±0.79
4<OD≤8 +1.59/-0.79
8<OD≤12 +2.38/-0.79
OD>12 ±1%

Heat Trearment of Alloy steel square tube


  P5, P9, P11, and P22    
Grade Heat Treatment Type Normalizing Temperature Range F [C] Subcritical Annealing 
or Tempering 
Temperature Range F 

[C]
P5 (b,c) Full or Isothermal Anneal    
  Normalize and Temper ***** 1250 [675]
  Subcritical Anneal (P5c only) ***** 1325 - 1375 [715 - 745]
P9 Full or Isothermal Anneal    
  Normalize and Temper ***** 1250 [675]
P11 Full or Isothermal Anneal    
  Normalize and Temper ***** 1200 [650]
P22 Full or Isothermal Anneal    
  Normalize and Temper ***** 1250 [675]
P91 Normalize and Temper 1900-1975 [1040 - 1080] 1350-1470 [730 - 800]
  Quench and Temper 1900-1975 [1040 - 1080] 1350-1470 [730 - 800]

Get Alloy steel square tube at affordable price from well-known low AS seamless pipe supplier in Mumbai.

1-1/4cr-1/2mo Alloy steel pipe Cost


Product Price
Seamless chrome moly alloy steel pipe $690 - $1,450.00/ Ton
ASTM A335 P5 / P9 / P22 alloy steel seamless pipe $568 - $780/ Ton
A213 T11 T5 T5b seamless alloy steel round tube $0.25 - $2.85/ Kilogram