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Products >> Stainless Steel Welded Tubes, Stainless Steel Welded Pipes
Applications :
  • Heat exchangers, Condensers, Evaporaters, Heating Coils, Digesters, Fluid Piping
  • In- sugar, Dairies, Breweries, Pharmaceuticals, Petrol Chemicals, Food Processing, Power Plants
  • Paper & Textile Industries
  • Automobile Silencers
  • General Engineering Industries
  • Hospital & Kitchen Equipment
  • Furniture & Interior Decoration
Finishes :
  • As welded
  • Welded & externally polished
  • Welded Annealed & Pickled
  • Welded Cold Drawn Annealed & Pickled
  • Welded Cold Drawn Annealed Pickled & externally polished
  • Other Finishes as per customers requirement
Size Range :
  • Tube : 6 mm to 114.3 mm
  • Pipe : 1/8" NB to 4" NB
Grades :
  • 304, 304L, 316, 316L, 321, 316Ti, 409, 430, 202 (SSLN-1, SSLN-4, etc.)
Inspection & Quality Control :
  • Flattening
  • Flare & Flange
  • Reverse Bend
  • Reverse Flattening
  • Tensile Strength
  • Hardness
  • Hydraulic Testing
  • Crush Test
Enquiry/Ordering Information :
  • Material Grade
  • NB Pipe Size or Outside Diameter
  • Wall Thickness, Length - Random/Standard/Specific
  • Finish Required
  • Relevant Specification
  • Application/End use
 
MANUFACTURING RANGE STAINLESS STEEL WELDED TUBES
Wall Thick-
ness
in mm
0.5 0.6 0.7 0.8 1.0 1.2 1.6 2.0 2.6 3.0 3.2 3.6
O. D.
in mm
Weight in Kg/mt
6.0 0.069 0.081 0.093 0.104 0.125 0.144 0.176 - - - - -
10.0 0.119 0.141 0.163 0.184 0.225 0.264 0.336 - - - - -
12.7 0.153 0.182 0.210 0.238 0.293 0.345 0.444 - - - - -
14.0 0.169 0.201 0.233 0.264 0.325 0.384 0.496 - - - - -
15.87 1.192 0.229 0.266 0.301 0.372 0.440 0.571 0.694 - - - -
19.0 0.231 0.276 0.320 0.364 0.450 0.534 0.696 0.850 1.066 1.200 1.264 -
25.0 0.306 0.366 0.425 0.484 0.600 0.714 0.936 1.150 1.456 1.650 1.744 1.926
25.4 0.311 0.372 0.432 0.492 0.610 0.726 0.952 1.170 1.482 1.680 1.776 1.962
31.8 - - - - - 0.918 1.208 1.490 1.898 2.160 2.288 2.538
38.0 - - - - - 1.104 1.456 1.800 2.301 2.625 2.784 3.096
44.5 - - - - - 1.299 1.716 2.125 2.724 3.113 3.304 3.681
50.8 - - - - - 1.488 1.968 2.440 3.133 3.585 3.808 4.248
63.5 - - - - - - 2.476 3.075 3.959 4.538 4.824 5.391
76.2 - - - - - - 2.980 3.705 4.778 5.483 5.832 6.525
101.6 - - - - - - 4.000 4.980 6.435 7.395 7.872 8.820
 
MANUFACTURING RANGE STAINLESS STEEL WELDED PIPES
Size Wall Thickness & Weight
Nominal Pipe Size in inch Outside Diameter Schedule - 5s Schedule 10s Schedule 40s Schedule - 80s
in mm W. T. in mm Wt.
Kg./Mt.
W. T. in mm Wt.
Kg./Mt.
W. T. in mm Wt.
Kg./Mt.
W. T. in mm Wt.
Kg./Mt.
1/4 13.72 1.24 0.387 1.65 0.498 2.24 0.643 3.02 0.808
3/8 17.15 1.24 0.493 1.65 0.640 2.31 0.857 3.20 1.116
1/2 21.34 1.65 0.812 2.11 1.014 2.77 1.286 3.73 1.642
3/4 26.67 1.65 1.032 2.11 1.300 2.87 1.708 3.91 2.225
1 33.40 1.65 1.310 2.77 2.121 3.38 2.537 4.55 3.282
1 1/4 42.16 1.65 1.671 2.77 2.728 3.56 3.435 4.85 4.524
1 1/2 48.26 1.65 1.923 2.77 3.150 3.68 4.101 5.08 5.484
2 60.33 1.65 2.421 2.77 3.986 3.91 5.515 5.54 7.588
2 1/2 73.03 2.11 3.741 3.05 5.336 5.16 8.756 7.01 11.570
3 88.90 2.11 4.578 3.05 6.546 5.49 11.448 7.62 15.484
3 1/2 101.60 2.11 5.248 3.05 7.514 5.74 13.756 8.08 18.891
4 114.30 2.11 5.918 3.05 8.483 6.02 16.296 8.56 22.628
76.2 - - - - - - 2.980 3.705 4.778
101.6 - - - - - - 4.000 4.980 6.435
 
MATERIAL CHEMICAL COMPOSITION (%)
GRADE C Mn P S Si Ni Cr Mo Ti
  (Max.) (Max.) (Max.) (Max.) (Max.)        
304 0.08 2.00 0.04 0.03 0.75 8.00-11.00 18.00-20.00 - -
304L 0.035 2.00 0.04 0.03 0.75 8.00-13.00 18.00-20.00 - -
316 0.08 2.00 0.04 0.03 0.75 11.00-14.00 16.00-18.00 2.00-3.00 -
316L 0.035 2.00 0.04 0.03 0.75 10.00-15.00 16.00-18.00 2.00-3.00 -
321 0.08 2.00 0.04 0.03 0.75 9.00-13.00 17.00-20.00 - >5c
316Ti 0.08 2.00 0.04 0.03 1.00 11.00-14.00 16.5-18.5 2.25-3.0 >5c
 
SUMMARY OF ASTM SPECIFICATIONS
Specifi-
cation
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Outer Dia Range (mm) Outer Dia (mm) Wall Thickness
Over Under Over Under
A-213 Stainless Steel Heat Exchanger Tubes R R R R - R - R - C 6.35 to 114.3 0.1 to 0.38 0.1 to 0.38 20 0
A-249 Stainless Steel Boiler, Super heater, Heat Exchanger & Condenser Tubes R R R R R - R R O C 6.35 to 114.3 0.1 to 0.38 0.1 to 0.38 10 10
A-269 Stainless Steel Tubing for general service R - R R R R - R O C 6.35 to 114.3 0.13 to 0.38 0.13 to 0.38 10-15 10-15
A-270 Stainless Steel Sanitary Tubing C - - R - - - R - - 6.35 to 114.3 0.05 to 0.08

0.20 to 0.38

12.5 12.5
A-312 Stainless Steel Pipe O R - R - - - R - - 13.72 to 114.3 0.40 to 0.79 0.79 12.5 12.5
A-554 Stainless Steel Welded Mechanical Tubing R O O - - - - - - - 6.35 to 114.3 0.1 to 0.30 0.1 to 0.3 10 10
R=Required, O=Optional, C=Choice of purchaser
 
 
       
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