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Technical Info.

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Carbon Steel Pipe

In the manufacturing of these carbon steel welded pipe, we use only quality checked carbon steel, which provide our pipes optimum durability. Sure to last for a long period of time, our range contains carbon steel seamless pipes, carbon steel welded pipes, arc welded pipes, industrial welded pipes etc.
Seamless
Size/Range 6mm to 200mm
Thickness 0.5 mm to 12 mm
Length Random Length 4 to 7 MTR.
Standard Fixed Length up 28 MTR
Conditions Hot Finish/ Cold Finish, Heat Treated & Stress Relived, Bright Annealing
Standards ASTM A53, A106, A179, A192, A213, A210, A33, A334, A335, BS3059, BS6323, BS3059, Din 17175, Din 2391, JIS G 3461
Radius 1.5 D to 2 MTR. DU Bend
Grades Carbon Steel / Alloy Steel
 
Products Size/Range Thickness Specifications
Longitudinal Submerged arc welded [SAW-L] 12' NB to 48" NB 5.00 mm to 28.00 mm Standard as per : API / ASTM / ASME / BS / GIS / DIN / GB / EN
Helical/ Spiral submerged arc welded [ H-SAW] Pipes 20" NB to 80" NB 5.00 mm to 20.00 mm Standard as per : API / ASTM / ASME / BS / GIS / DIN / GB / EN
Longitudinal with circumferential seam submerged arc welded pipes 36" NB to 100" NB 5.00 mm to 60.00 mm Standard as per : API / ASTM / ASME / BS / GIS / DIN / GB / EN

CHEMICAL COMPOSITION ( IN PERCENTAGE )

Grade C (Max) Mn (Max) P (Max) S (Max) Si (Max) Cr Ni Mo Nitrogen (Max) Cu/ Others
301 0.15 2 0.045 0.03 1 16.00 – 18.00 6.00 – 8.00 - 0.1 -
304 0.08 2 0.045 0.03 0.75 18.00 – 20.00 8.00 – 10.50 - 0.1 -
304L 0.03 2 0.045 0.03 0.75 18.00 – 20.00 8.00 – 12.00 - 0.1 -
310S 0.08 2 0.045 0.03 1.5 24.00 – 26.00 19.00 – 22.00 - - -
316 0.08 2 0.045 0.03 0.75 16.00 – 18.00 10.00 – 14.00 2.00 – 3.00 0.1 -
316L 0.03 2 0.045 0.03 0.75 16.00 – 18.00 10.00 – 14.00 2.00 – 3.00 0.1 -
317 0.08 2 0.045 0.03 0.75 18.00 – 20.00 11.00 – 14.00 3.00 – 4.00 0.1 -
317L 0.03 2 0.045 0.03 0.75 18.00 – 20.00 11.00 – 15.00 3.00 – 4.00 0.1 -
321 0.08 2 0.045 0.03 0.75 17.00 – 19.00 9.00 – 12.00 - 0.1 Ti5 ( C + N ) Min or 0.70 max
347 0.08 2 0.045 0.03 0.75 17.00 – 19.00 9.00 – 13.00 - - Cb = 10x ( C Min ) or 1.00 Max
409 0.08 1 0.04 0.01 1 10.50 – 11.75 0.5 - - Ti = 6x (C+ N ) Min or 0.70 Max
409M 0.03 0.81.2 0.03 0.03 0.40.75 11.00 – 12.00 1.5 max. - - Ti = 6x (C) Min or 0.70 Max
410S 0.08 1 0.04 0.03 1 11.50 – 13.50 0.6 - - -
410 0.15 1 0.04 0.03 1 11.50 – 13.50 0.75 - - -
420 0.35 0.5 0.035 0.015 0.5 12.00 – 13.00 0.20.3 - - -
430 0.12 1 0.04 0.03 1 16.00 – 18.00 0.75 - - -
JSL AUS 0.08 7.08.0 0.07 0.03 0.75 15.50 – 16.50 4.25 – 4.75 - - 0.9 – 1.10
JS- 203 0.08 9.2510.25 0.07 0.03 0.75 14.25 – 15.25 2.25 – 2.75 - - 1.60 – 2.0
301M 0.1 4.55.5 0.06 0.03 0.75 14.50 – 15.50 6.0 – 7.0 - - 1.70 – 1.90
* Thickness of 1.27mm & below will have elongation of 20% min.

FLANGES DIMENSIONS

Normal Outside Minimum Overall         Length Bolt  No. and O.D. of
pipe dia. of thickness Circle Size of raised
size flange of flange Welding Slip-on Lap Joint   Holes face
      neck & socket      
        welding      
  O Q Y Diam. No. dia. R
1/2 89 11.2 47.6 15.9 15.9 60.5 4 15 35
3/4 117 15.9 57.2 25.4 25.4 82.5 4 15 43
1 108 14.3 55.6 17.5 17.5 79.5 4 15 51
1.1/4 117 15.9 57.2 20.6 20.6 89 4 15 64
1.1/2 127 17.5 61.9 22.2 22.2 98.5 4 15 73
2 152 19.1 63.5 25.4 25.4 120.5 4 19 92
2.1/2 178 22.3 69.8 28.6 28.6 139.5 4 19 105
3 190 23.9 69.8 30.2 30.2 152.5 4 19 127
3.1/2 216 23.9 71.4 31.8 31.8 178 8 19 140
4 229 23.9 86.2 33.3 33.3 190.5 8 19 157
5 254 23.9 88.9 36.5 36.5 216 8 22 186
6 279 25.4 88.9 39.7 39.7 241.5 8 22 216
8 343 28.6 101.6 44.4 44.4 298.5 8 22 270
10 406 30.2 101.6 49.2 49.2 362 12 25 324
12 483 31.8 114.3 55.6 55.6 432 12 25 381
14 533 35 127 57.2 79.4 476 12 29 413
16 597 36.6 127 63.5 87.3 539.5 16 29 470
18 635 39.7 139.7 68.3 96.8 578 16 32 533
20 698 42.9 144.5 73 103.2 635 20 32 584
24 813 47.7 152.4 82.6 111.1 749.5 20 35 692

300 LB. FLANGES

Normal Outside Minimum Overall Length Bolt  No. and  O.D. of
pipe dia. of thickness Circle Size of raised
size flange of flange Welding  Slip-on Lap Joint   Holes face
      neck & socket      
        welding      
  O Q Y Diam. No. dia. R
1/2 95 14.3 52.4 22.2 22.2 666.5 4 15 35
3/4 117 15.9 57.2 25.4 25.4 82.4 4 19 43
1 124 17.5 61.9 27 27 89 4 19 51
1-1/4 133 19.1 65.1 27 27 98.5 4 19 64
1-1/2 156 20.7 68.3 30.2 30.2 114.5 4 22 73
2 165 22.3 69.8 33.3 33.3 127 8 19 92
2-1/2 190 25.4 76.2 38.1 38.1 149 8 22 105
3 210 28.6 79.4 42.9 42.9 168 8 22 127
4 254 318 85.7 47.6 47.6 200 8 22 157
5 279 35 98.4 50.8 50.8 235 8 22 186
6 313 36.6 98.4 52.4 52.4 270 12 22 216
6 381 413 111.1 61.9 91.9 330 12 25 270
10 444 47.7 117.5 66.7 95.3 387.5 16 29 324
12 521 50.8 130.2 73 101.6 451 16 32 381
14 584 54 142.9 76.2 111.1 514.5 20 32 413
16 648 57.2 146 82.6 120.7 571.5 20 35 470
18 711 60.4 158.8 88.9 130.2 628.5 24 35 533
20 775 63.5 161.9 95.2 139.7 686 24 35 584
24 914 69.9 168.3 106.4 152.4 843 24 41 692

600 LB. FLANGES

Normal Outside Minimum Overall Length Bolt Circle No. and O.D. of
pipe dia. of thickness of Size of raised
size flange flange Welding neck Slip-on  Lap Joint Holes face
      & socket    
      welding    
  O Q Y Diam. No. dia. R
1/2 95 14.3 52.4 22.2 22.2 66.5 4 15 35
3/4 117 15.9 57.2 25.4 25.4 82.5 4 19 43
1 124 17.5 61.9 27 27 89 4 19 51
1-1/4 133 20.7 66.7 28.6 28.6 98.5 4 19 64
1-1/2 156 22.3 69.8 31.8 31.8 114.5 4 22 73
2 165 25.4 73 36.5 36.5 127 8 19 92
2-1/2 190 28.6 79.4 41.3 41.3 149 8 22 105
3 210 31.8 82.6 46 46 168 8 22 127
3-1/2 229 35 85.7 49.2 49.2 184 8 25 140
4 273 38.1 101.6 54 54 216 8 25 157
5 330 44.5 114.3 60.3 60.3 266.5 8 29 186
6 356 47.7 117.5 66.7 66.7 292 12 29 216
8 419 55.6 133.4 76.2 76.2 349 12 32 270
10 508 63.5 152.4 85.7 115.1 432 16 85 324
12 559 66.7 155.6 92.1 111.1 489 20 35 381
14 603 69.9 165.1 93.7 117.5 527 20 38 413
16 686 76.2 177.8 106.4 127 603 20 41 470
18 743 82.6 184.2 117.6 139.7 654 20 45 533
20 813 88.9 190.5 127 165.1 724 24 45 584
24 940 101.6 203.2 139.7 184.2 838 24 51 692

900 LB. FLANGES

Normal Outside Minimum Overall Length Bolt No. and  O.D. of
pipe dia. of thickness of Circle Size of  raised
size flange flange Welding neck Slip-on Lap Joint   Holes face
      &       
      socket       
      welding      
  O Q Y Diam. No. dia. R
1/2 121 22.3 60.3 31.8 31.8 82.5 4 22 35
3/4 130 25.4 69.8 34.9 34.9 89 4 22 43
1 149 28.6 78 41.3 41.3 101.5 4 25 51
1-1/4 159 28.6 78 41.3 41.3 111 4 25 64
1-1/2 178 31.8 82.6 44.4 44.4 124 4 29 78
2 216 38.1 101.6 57.2 57.2 165 8 25 92
2-1/2 244 41.3 104.8 63.5 63.5 190.5 8 29 105
8 241 38.1 101.6 54 54 190.5 8 25 127
3-1/2                  
4 292 44.5 114.3 69.8 69.8 235 8 32 157
5 349 50.8 127 79.4 79.4 279.5 8 35 186
6 381 55.6 189.7 85.7 85.7 317.5 12 32 216
8 470 68.5 161.9 101.8 114.3 393.5 12 38 270
10 546 69.9 184.2 108 127 470 16 38 324
12 610 79.4 200 117.5 142.9 533.5 20 38 381
14 584 54 142.9 76.2 111.1 514.5 20 32 413
16 711 60.4 158.8 88.9 130.2 628.5 24 35 533
20 775 63.5 161.9 95.2 139.7 686 24 35 584
24 914 69.9 168.3 106.4 152.4 843 24 41 692

1500 LB. FLANGES

Normal Outside Minimum  Overall          Length Bolt  No. and  O.D. 
pipe dia. of thickness Circle Size of  of raised
size flange of flange Welding Slip-on Lap    Holes face
      neck &  Joint      
        socket         
        welding        
  O Q Y Diam. No. dia. R
1/2 12.1 22.3 60.3 31.8 31.8 82.5 4 22 35
3/4 130 25.4 69.8 34.9 34.9 89 4 22 43
1 149 28.6 73 41.3 41.3 101.5 4 25 51
1-1/4 159 28.6 73 41.3 41.3 111 4 25 64
1-1/2 178 31.8 82.6 44.4 44.4 124 4 29 73
2 216 38.1 101.6 57.2 57.2 165 8 25 92
2-1/2 244 41.3 104.8 63.5 63.5 190.5 8 29 105
3 267 47.7 117.5 73 73 203 8 32 127
3-1/2                  
4 311 54 123.8 90.5 90.5 241.5 8 35 157
5 375 73.1 155.5 104.8 104.8 292 8 41 186
6 394 82.6 171.4 119.1 119.1 317.5 12 38 216
8 483 92.1 212.7 142.9 142.9 393.5 12 45 270
10 584 108 254 158.8 177.8 482.5 12 51 324
12 673 123.9 282.9 181 219.1 571.5 16 54 381
14 749 133.4 298.4 ----- 241.3 635 16 60 413
16 826 146.1 311.2 ----- 260.4 705 16 51 470
18 914 162 327 ------ 276.2 474.5 16 73 538
20 984 117.8 355.4 ----- 292.1 832 16 80 584
24 1168 203.2 406.4 ----- 330.2 990.5 16 92 692

2500 LB. FLANGES

Normal Outside Minimum Overall          Length Bolt No. and O.D. of
pipe dia. of thickness Circle Size of raised
size flange of flange Welding Slip-on Lap   Holes face
      neck & Joint      
        socket        
        welding        
  O Q Y Diam. No. dia. R
1/2 133.4 30.2 73 39.7 39.7 88.9 4 22 34.9
3/4 139.7 31.8 79.4 42.9 42.9 95.3 4 22 42.9
1 158.8 34.9 88.9 47.6 47.6 108 4 25 50.8
1-1/4 184.2 38.1 95.3 52.4 52.4 130.2 4 29 63.5
1-1/2 203.2 44.5 111.1 60.3 60.3 146 4 32 73
2 235 50.8 127 69.9 69.9 171.5 8 29 92.1
2-1/2 266.7 57.2 142.9 79.4 79.4 196.9 8 32 104.8
3 304.8 66.7 168.3 92.1 92.1 228.6 8 35 127
3-1/2                  
4 355.6 76.2 190.5 108 108 273 8 41 157.2
5 419.1 92.1 228.6 130.2 130.2 323.9 8 48 185.7
6 482.6 108 273.1 152.4 152.4 268.3 8 54 215.9
8 552.5 127 317.5 177.8 177.8 438.2 12 54 269.9
10 673.1 165.1 419.1 228.6 228.6 539.8 12 67 323.9
12 762 184.2 463.6 254 254 619.1 12 73 381.03
14 --- --- --- --- --- --- -- --- ---
16 --- --- --- --- --- --- -- --- ---
18 --- --- --- --- --- --- -- --- --
20 --- --- --- --- --- --- -- --- --
24 --- --- --- --- --- --- -- --- --

WELDING NECK FLANGE BORES

Nom. Outside Light Sched. Sched. Std. Sched. Sched. Extra Sched. Sched. Sched. Sched. Sched. Double
pipe Diam Wall 20 30 Wall 40 60 Strong 80 100 120 140 160 Extra
Size   6                       Strong
1/2 0.84 0.674 ..... ..... 0.622 0.622 ..... 0.546 0.546 ..... ..... ..... 0.464 0.252
3/4 1.05 0.884 ..... ..... 0.824 0.824 ..... 0.742 0.742 ..... ..... ..... 0.612 0.434
1 1.315 1.097 .... .... 1.049 1.049 .... 0.957 0.957 .... .... .... 0.815 0.599
1-1/4 1.66 1.442 ..... ..... 1.38 1.38 ..... 1.278 1.278 ..... ..... ..... 1.16 0.896
1-1/2 1.9 1.682 ..... ..... 1.61 1.61 ..... 1.5 1.5 ..... ..... ..... 1.338 1.1
2 2.375 2.157 .... .... 2.067 2.067 .... 1.939 1.939 .... .... .... 1.687 1.503
2-1/2 2.875 2.635 ..... ..... 2.469 2.469 ..... 2.323 2.323 ..... .... ..... 2.125 1.771
3 3.5 3.26 ..... ..... 3.068 3.068 ..... 2.9 2.9 ..... .... ..... 2.624 2.3
3-1/2 4 3.76 .... .... 3.548 3.548 .... 3.364 3.364 .... .... .... .... 2.728
4 4.5 4.26 ... ... 4.026 4.026 ... 3.826 3.826 ... 3.624 ... 3.438 3.152
5 5.563 5.295 ... ... 5.047 5.047 .... 4.813 4.813 ... 4.563 ... 4.313 4.063
6 6.625 6.357 ... ... 6.065 6.065 ... 5.761 5.761 ... 5.501 ... 5.187 4.897
8 8.625 8.329 8.125 8.071 7.981 7.981 7.813 7.625 7.625 7.437 7.187 7.001 6.813 6.875
10 10.75 10.42 10.25 10.136 10.02 10.02 9.75 9.75 9.562 9.312 0.062 8.75 8.5 8.75
12 12.75 12.39 12.25 12.09 12 11.938 11.626 11.75 11.374 11.062 10.75 10.5 10.5 10.75
14 14 13.5 13.376 13.25 13.25 13.124 12.812 13 12.5 12.124 11.814 11.5 11.5 ....
16 16 15.5 15.376 15.25 15.25 15 14.688 15 14.312 13.938 13.564 13.124 13.124 ....
18 18 17.5 17.376 17.124 17.25 16.876 16.5 17 16.124 15.688 15.25 14.876 14.438 ....
20 20 19.5 19.25 19 19.25 18.812 18.376 19 17.938 17.438 17 16.5 16.062 ....
24 24 23.5 23.25 22.876 23.25 22.624 22.062 23 21.562 20.938 20.376 19.876 19.312 ....
30 30 29.376 29 28.75 29.25 .... .... 29 .... .... .... .... .... ....
36 36 35.376 35 34.75 35.25 34.5 ..... 35 ..... ..... ..... ..... ..... .....
42 42 ......     41.25 .... .... 41 .... .... .... .... .... ....

FORMULA OF WEIGHT

WEIGHT OF STAINLESS & CARBON STEEL PIPES & TUBES O.D. (mm) – W.T. (mm) x W.T. (mm) X 0.02466 = Kg. Per Meter
SHEET WIDTH REQUIRED FOR ROLLED AND WELDED PIPES O.D. (mm) – Thk. (mm) X 3.14 = Sheet Width
WEIGHT OF STAINLESS STEEL SHEETS Length (Mtr.) x Width (Mtr.) x Thk. (mm) x 8 = Kg. Per Sheets
WEIGHT OF STAINLESS STEEL CIRCLE & BLANKS O.D. (mm) X O.D. (mm) X Thk. (mm) – 16000 = Kg. Per Pcs.
WEIGHT OF STAINLESS STEEL ROUND Dia. (mm) x Dia. (mm) x 0.00623 = Kg. Per Meter
WEIGHT OF STAINLESS STEEL HEXAGONAL RODS Dia (mm) x Dia. (mm) x 0.00679 = Kg. Per Meter
WEIGHT OF STAINLESS STEEL SQUARE BARS Dia. (mm) x Dia. (mm) x 0.00787 = Kg. Per Meter
WEIGHT OF COPPER PIPES O.D. (mm) – W.T. (mm) x W.T. (mm) x 0.0256 = Kg. Per Meter
WEIGHT OF LEAD PIPES (APPROX) O.D. (mm) – W.T. (mm) x W.T. (mm) x 0.0345 = Kg. Per Meter
WEIGHT OF LEAD SHEETS (APPROX) Length (Mtr.) x Width (Mtr.) x Thk. (mm) x 11.2 = Kg. Per Sheet
WEIGHT OF ALUMINIUM PIPES (APPROX) O.D. (mm) – W.T. (mm) x W.T. (mm) x 0.0082 = Kg. Per Sheet
WEIGHT OF ALUMINIUM SHEETS (APPROX) Length (Mtr.) x Width (Mtr.) x Thk (mm) x 2.66 = Kg. Per Sheet
 
Tensile Strength Conversion Table
1) Kg/mm2 x 9.81 = N/mm2 = Mpa
2) Psi x 0.0007 = Kg/mm2
3) Ksi x 1000 = Psi
4) Kg/mm2 x 1.422 = Ksi

MECHANICAL PROPERTIES

Grade Tensile Yield %Age Hardness (Max)
Strength Mpa, (Min) StrengthA  Elongation
  Mpa, (Min) in 50mm
    gauge length min BHN Rb
301 515 205 40 217 95
304 515 205 40 201 92
304L 485 170 40 201 92
310S 515 205 40 217 95
316 515 205 40 217 95
316L 485 170 40 217 95
317 515 205 35 217 95
317L 515 205 40 217 95
321 515 205 40 217 95
347 515 205 40 201 92
409 380 170 20 179 88
409M 430 275 20 187 90
410S 415 205 22 183 89
410 450 205 20 217 89
420 700( max ) - 15 217 95
430 450 205 22 183 89
JSL AUS 515 205 40 217 95
JS- 203 515 205 40 217 95
301M 515 205 40 217 95

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