Carbon steel pipe manufacturers in India

Carbon steel pipe manufacturers in India

Check CS seamless pipe price list and weight chart

Table of Contents

SCH 40 CS ERW Pipe and carbon steel welded pipe supplier in Mumbai

Carbon steel pipe specification chart

01

Sizes

OD : 1/2" to 60"

02

Thickness

2 mm to 45 mm

03

Temperature ranges

up to 800°F

 

06

Forms

Coiled, Straight, Hollow, U Shape, Hydraulic, Rectangular, Round, Square

05

Welding method

MAG, GMAW, TIG, MIG, FCAW, SMAW

04

Schedule

SCH 10 to SCH 160

 

09

Finish

BA polishing, Mirror, 2B, Matt finish, Annealed & Pickled, Bright Annealed, No.4, Solution annealed

07

Testing

PMI , Flattening , Chemical Analysis, Flaring ,UT, Hardness Testing

08

Finishing Treatment

  • Cold Finished
  • Hot Finished

CS pipe types

Carbon steel pipe

Carbon steel pipe

CS seamless pipe

CS seamless pipe

SCH 40 CS erw pipe

SCH 40 CS erw pipe

Carbon steel welded pipe

Carbon steel welded pipe

Black coated carbon steel pipe

Black coated carbon steel pipe

Carbon steel square pipe

Carbon steel square pipe

Carbon steel pipe price per kg

Description Price in USD Price in Kilogram (INR)
Round Carbon Steel Pipes, Size: 0-1 inch $ 0.70 ₹ 60
CS Pipes, Size: 2" - 24"Thickness: 2 MM To 50 MM, $ 0.76 ₹ 65
Carbon Steel Pipe Mill Finish , Thickness: 1.0 MM to 12.0 MM, $ 0.61 ₹ 52
Hot Rolled Carbon Steel Seamless Pipes, Thickness: 3mm To 25mm $ 1.05 ₹ 90

CS pipe weight chart

Pipe size ID Section Modulus Weight OD WT Sched Standard to XXHY
1 1/4 1.380 .2346 2.27 1.66 0.140 40 STD
1.160 .3421 3.77 0.250 160
1 1/2 1.610 .3262 2.72 1.90 0.145 40 STD
1.338 .5079 4.86 0.281 160
3 1/2 3.760 1.3776 4.98 4.0 0.120 10
3.500 2.6001 10.02 0.250
3.364 3.1400 12.52 0.318 80 XHY
4 4.260 1.7612 5.62 4.5 0.120 10
4.124 2.6296 8.67 0.188
4.062 3.0184 10.02 0.219
4.000 3.3611 11.36 0.250
3.876 4.0273 13.97 0.312
3.624 5.1790 19.02 0.438 120
5 5.187 4.1161 10.80 5.563 0.188
5.047 5.4500 14.63 0.258 40 STD.
4.939 6.4074 17.51 0.312
4.813 7.4300 20.80 0.375 80 XHY
2 2.157 .4205 2.64 2.375 0.109 10
1.939 .7309 5.03 0.218 80 XHY
1.813 .8666 6.29 0.281
2 1/2 2.635 .6870 3.53 2.875 0.120 10
2.443 1.1169 6.14 0.216
2.323 1.3386 7.67 0.276 80 XHY
3 3.260 1.0411 4.34 3.50 0.120
3.156 1.4265 6.12 0.172
3.068 1.7241 7.58 0.216 40 STD.
2.938 2.1207 9.67 0.281
1/2 0.622 .0407 0.85 0.84 0.109 40 STD
3/4 0.824 .0705 1.13 1.05 0.113 40 STD
0.612 .1006 1.95 0.219 160
1 1.049 .1328 1.68 1.315 0.133 40 STD
0.815 .1904 2.85 0.250 160
6 6.407 3.5769 7.59 6.625 0.109 5
6.313 5.0107 10.79 0.156
6.219 6.3804 13.94 0.203
6.125 7.6905 17.04 0.250
6.001 9.3416 21.06 0.312
5.875 10.893 25.05 0.375
5.625 13.711 32.74 0.500
5.375 16.1821 40.09 0.625
4.897 20.025 53.21 0.864 XXHY
4.375 23.1237 66.14 1.125

FBE, PTFE and Epoxy Lined Carbon Steel Pipe are used for high-pressure and temperature applications.

Carbon steel pipe application

  • Construction & infrastructure
  • Water & sewage systems
  • Power plants & energy
  • Marine & shipbuilding
  • Chemical & petrochemical industry
  • Oil & gas industry

Schedule 160 carbon steel pipe pressure rating

Nominal pipes Size in Inch Schedule 160 Outside Diameter in MM
2 1/2 2.875
73
3 1/2 4
102
3 3.5
88.9
4 4.5
114
6 6.625
168
5 5.563
141
8 1420
9791 		8.625
219
12 961
6626 		12.75
324
10 1140
7860 		10.75
273
3/8 0.675
17.1
1/4 0.54
13.7
1/2 0.84
21.3
1 1.315
33.4
3/4 1.05
26.7
1 1/4 1.66
42.2
2 2.375
60.3
1 1/2 1.9
48.3
14 1092
7529 		14
356
18 849
5854 		18
457
16 956
6592 		16
406
20 919
6337 		20
508
24 766
5282 		24
610
22 835
5757 		22
559
30 817
5633 		30
762
34 721
4971 		34
864
32 766
5282 		32
813
42 583
4020 		42
1067
36 681
4695 		36
914

Schedule 40 cs pipe pressure rating

Maximum Allowable Pressure (psi) (kPa)
NPS Outside Diameter (OD) Schedule
(in) (in)
(milimeter) 		40
1 1/2 1.9
48.3 		3739
25780
2 2.375
60.3 		3177
21905
2 1/2 2.875
73 		3460
23857
3 3.5
88.9 		3024
20850
3 1/2 4
102 		2769
19092
4 4.5
114 		2581
17796
1/4 0.54
13.7 		7985
55057
3/8 0.675
17.1 		6606
45548
1/2 0.84
21.3 		6358
43838
3/4 1.05
26.7 		5273
36357
1 1.315
33.4 		4956
34172
1 1/4 1.66
42.2 		4133
28497
5 5.563
141 		2273
15672
6 6.625
168 		2071
14280
8 8.625
219 		1829
12611
10 10.75
273 		1664
1144/td>
12 12.75
324 		1560
10756
14 14
356 		1533
10570
16 16
406 		1531
10556
18 18
457 		1530
10549
20 20
508 		1455
10032
22 22
559
24 24
610 		1405
9687
30 30
762
32 32
813 		1054
7267
34 34
864 		992
6840
36 36
914 		1021
7040
42 42
1067 		875
6033

CS pipe grades

Difference between carbon steel and black steel pipe

Parameter Carbon Steel Pipe Black Steel Pipe
Material Composition Iron + Carbon (0.05% - 2.0%) Low Carbon Steel with Iron Oxide Coating
Yield Strength 250 - 600 MPa 210 - 350 MPa
Hardness (Brinell HB) 120 - 250 HB 100 - 180 HB
Weldability Good Excellent
Manufacturing Process Seamless (Hot-rolled) or Welded (ERW, LSAW, SSAW) Typically Welded (ERW)
Surface Coating Galvanized, Uncoated, or Coated (Epoxy, Paint) Black Oxide (formed during manufacturing)
Tensile Strength 400 - 1000 MPa 250 - 500 MPa
Pressure Rating Higher, suitable for high-pressure applications Lower, not suitable for high-pressure applications
Temperature Resistance Suitable for high-temperature use Limited to moderate temperatures
Applications Oil & Gas pipelines, Boilers, Power Plants, Structural Low-pressure Water & Gas Distribution, Fire Sprinkler Systems, HVAC

Seamless CS pipe hardness

  • Brinell Hardness (HBW): 120 - 200 HB
  • Rockwell Hardness (HRB): 55 - 85 HRB
  • Rockwell Hardness (HRC): ≤ 22 HRC
Black coated carbon steel pipe and CS pipe are available according to international standards and specifications.

Carbon steel pipe astm standard

ASTM Standard Type
ASTM A106 Seamless
ASTM A252 Welded (ERW, SSAW)
ASTM A671 / A672 Welded (EFW)
ASTM A500 Welded (ERW)
ASTM A501 Welded / Seamless
ASTM A333 Seamless
ASTM A335 Seamless
ASTM A519 Seamless
ASTM A53 Seamless / Welded (ERW)
ASTM A134 Welded (EFW)
ASTM A847 Welded / Seamless
ASTM A588 Welded / Seamless

CS seamless pipe schedule chart

Size
(inch) 		OD
in
(inch) 		OD
in
milimeter
Sched 40 Sched Sch. Sched 60 Sched 80 Sched XS Sched 120 Sched 160 Sched XXS
2 2.375 60.3 0.154
3.66 		0.154
3.66 		0.218
5.03 		0.218
5.03 		0.344
7.47 		0.436
9.04
3 3.500 88.9 0.216
7.58 		0.216
7.58 		0.300
10.26 		0.300
10.26 		0.438
14.34 		0.600
18.60
1/8 0.405 10.3 0.068
.024 		0.068
.024 		0.095
0.31 		0.095
0.31
3/8 0.675 17.1 0.091
0.57 		0.091
0.57 		0.126
0.74 		0.126
0.74
3/4 1.050 26.7 0.113
1.13 		0.113
1.13 		0.154
1.48 		0.154
1.48 		0.219
1.95 		0.308
2.44
1-1/4 1.660 42.2 0.140
2.27 		0.140
2.27 		0.191
3.00 		0.191
3.00 		0.250
3.77 		0.382
5.22
4 4.500 114.3 0.237
10.80 		0.237
10.80 		0.281
12.67 		0.337
15.00 		0.337
15.00 		0.438
19.02 		0.531
22.53 		0.674
27.57
6 6.625 168.3 0.280
18.99 		0.280
18.99 		0.432
28.60 		0.432
28.60 		0.562
36.43 		0.719
45.39 		0.864
53.21

Carbon steel pipe vs mild steel pipe

Factor Carbon Steel Pipe Mild Steel Pipe
Hardness (Brinell HB) 120 - 250 HB 100 - 180 HB
Ductility Less ductile More ductile and flexible
Weldability Medium to difficult Excellent
Machinability Moderate to poor Excellent
Carbon Content 0.05% - 2.0% ≤ 0.25% (Low Carbon Steel)
Tensile Strength 400 - 1000 MPa 250 - 400 MPa
Yield Strength 250 - 600 MPa 210 - 250 MPa
Production Methods Seamless, ERW, LSAW, SSAW Seamless, ERW, LSAW
Heat Treatment May require heat treatment Rarely requires heat treatment
Corrosion Resistance Needs coating or alloying elements Poor, often painted or galvanized
Durability High, suitable for extreme conditions Lower, best for mild environments
Cost Higher due to strength & durability Lower due to ease of manufacturing
Common Applications High-pressure pipelines, power plants, structural support General construction, water pipes, fencing

Carbon steel pipe manufacturing process

Carbon steel pipe manufacturing process
Carbon steel seamless pipe manufacturer in India. Before buying, check the CS square pipe dimensions and thickness chart

CS pipe dimensions chart

Nominal Pipe Size [inches] Outside diameter [inches] Wall thickness [mm] Weight [lb/ft] Outside diameter [mm] Wall thickness [inches] Weight [kg/m]
2 1/2 2.875 5.16 MM 5.79 73.0 MM 0.203 8.63
3 3.500 5.49 MM 7.58 88.9 MM 0.216 11.29
3 1/2 4.000 5.74 MM 9.11 101.6 MM 0.226 13.57
4 4.500 6.02 MM 10.79 114.3 MM 0.237 16.07
5 5.563 6.55 MM 14.62 141.3 MM 0.258 21.77
6 6.625 7.11 MM 18.97 168.3 MM 0.280 28.26
8 8.625 8.18 MM 28.55 219.1 MM 0.322 42.55
10 10.750 9.27 MM 40.48 273.0 MM 0.365 60.31
12 12.750 10.31 MM 53.52 323.8 MM 0.406 79.73
14 14 11.13 MM 54.57 355.6 MM 0.375 94.55
1/8 0.405 1.73 MM 0.24 10.3 MM 0.068 0.37
1/4 0.540 2.24 MM 0.42 13.7 MM 0.088 0.84
1/2 0.840 2.77 MM 0.85 21.3 MM 0.109 1.27
3/4 1.050 2.87 MM 1.13 26.7 MM 0.113 1.69
1 1.315 3.38 MM 1.68 33.4 MM 0.133 2.50
1 1/4 1.660 3.56 MM 2.27 42.2 MM 0.140 3.39
1 1/2 1.900 3.68 MM 2.72 48.3 MM 0.145 4.05
2 2.375 3.91 MM 3.65 60.3 MM 0.154 5.44
16 16 12.70 MM 82.77 406.4 MM 0.500 123.30
18 18 14.27 MM 104.67 457.0 MM 0.562 155.80
20 20 15.09 MM 123.11 508.0 MM 0.594 183.42
24 24 17.48 MM 171.29 610.0 MM 0.688 255.41
32 32 17.48 MM 230.08 813.0 MM 0.688 342.91

CS seamless pipe thickness chart

NPS
(Inches) 		Outside Dia
(Inches)
 Schedules
Schedule 10 Schedule 20 Schedule 30 Schedule STD Schedule 40 Schedule 60 Schedule XS Schedule 80 Schedule 100 Schedule 120 Schedule 140 Schedule 160 Schedule XXS
Wall Thk(Inch)
3 3.500 0.216 0.216 0.300 0.300 0.438 0.600
3 1/2 4.000 0.226 0.226 0.318 0.318
4 4.500 0.237 0.237 0.337 0.337 0.438 0.531 0.674
5 5.563 0.258 0.258 0.375 0.375 0.500 0.625 0.750
6 6.625 0.280 0.280 0.432 0.432 0.562 0.719 0.864
8 8.625 0.250 0.277 0.322 0.322 0.406 0.500 0.500 0.594 0.719 0.812 0.906 0.875
10 10.750 0.250 0.307 0.365 0.365 0.500 0.500 0.594 0.719 0.844 1.000 1.125 1.000
12 12.750 0.250 0.330 0.375 0.406 0.562 0.500 0.688 0.844 1.000 1.125 1.312 1.000
14 14.000 0.250 0.312 0.375 0.375 0.438 0.594 0.500 0.750 0.938 1.094 1.250 1.406
16 16.000 0.250 0.312 0.375 0.375 0.500 0.656 0.500 0.844 1.031 1.219 1.438 1.594
18 18.000 0.250 0.312 0.438 0.375 0.562 0.750 0.500 0.938 1.156 1.375 1.562 1.781
1/8 0.405 0.068 0.068 0.095 0.095
1/4 0.540 0.088 0.088 0.119 0.119
3/8 0.675 0.091 0.091 0.126 0.126
1/2 0.840 0.109 0.109 0.147 0.147 0.187 0.294
3/4 1.050 0.113 0.113 0.154 0.154 0.219 0.308
1 1.315 0.133 0.133 0.179 0.179 0.250 0.358
1 1/4 1.660 0.140 0.140 0.191 0.191 0.250 0.382
1 1/2 1.900 0.145 0.145 0.200 0.200 0.281 0.400
2 2.375 0.154 0.154 0.218 0.218 0.344 0.436
2 1/2 2.875 0.203 0.203 0.276 0.276 0.375 0.552
20 20.000 0.250 0.375 0.500 0.375 0.594 0.812 0.500 1.031 1.281 1.500 1.750 1.969
22 22.000 0.250 0.375 0.500 0.375 0.875 0.500 1.125 1.375 1.625 1.875 2.125
24 24.000 0.250 0.375 0.562 0.375 0.688 0.969 0.500 1.219 1.531 1.812 2.062 2.344
30 30.000 0.312 0.500 0.625 0.375 0.500
32 32.000 0.312 0.500 0.625 0.375 0.688
34 34.000 0.312 0.500 0.625 0.375 0.688
36 36.000 0.312 0.500 0.625 0.375 0.750
42 42.000 0.500 0.625 0.375 0.750

Carbon steel pipe absolute roughness

Material Roughness (mm)
CS (Slightly Corroded) 0.05-0.15
CS (Badly Corroded) 1-3
CS (Moderately Corroded) 0.15-1
CS (New) 0.02-0.05
CS (Cement-lined) 1.5

Sch 80 cs pipe pressure rating

Pipes Size in inch Schedule 80 Thickness
Outer diameter in inch. Inner diameter in inch Wall Thickness in inch
2 2.375 2.245 0.065
2-1/2 2.875 2.709 0.083
3 3.500 3.334 0.083
3-1/2 4.000 3.834 0.083
3/4 1.050 0.920 0.065
1 1.315 1.185 0.065
1-1/4 1.660 1.530 0.065
1-1/2 1.900 1.770 0.065
4 4.500 4.334 0.083
6 6.625 6.407 0.109
8 8.625 8.407 0.109

Carbon steel pipe temperature range

  • Up to 650°C
  • Upto 1202°F

Carbon steel seamless pipe hsn code

HSN Code 7304

Carbon steel pipe thermal conductivity

45 to 60 W/m·K

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