Stainless Steel Welded Pipe

Stainless Steel Spiral Welded Pipe and SS ERW Pipe suppliers in UAE

 

Stainless Steel Welded Pipe

What is Stainless Steel Welded Pipe?

A stainless steel welded pipe is cold rolled flat strip or sheet and then made circular using a bending machine. Stainless steel welded pipe can be welded with or without filler material utilizing a high source of energy. These pipes can be produced in customize sizes without any restrictions.

The SS welded pipe can work well in moderate corrosive environments due to the presence of welds. The economically welded stainless steel pipe is simpler to procure and produce. These pipes have a good surface quality and have a consistent wall thickness. Stainless steel welded round pipes are used in the transportation of water, oil, and gas in larger quantities.

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Difference between Stainless Steel Spiral Welded Pipe, ERW, SAW, and EFW

A stainless steel spiral welded pipe is produced as coils of steel that are flattened after unwinding. Angled rollers are utilized to flatten a spiral welded stainless steel pipe. These pipes can be classified into the 3 common specifications, namely ERW, SAW, and EFW.

The Stainless Steel ERW Pipe is a specification that is produced as the material is cold rolled and welded longitudinally. The versatile SS ERW pipe makes use of low voltage current to melt and weld the pipe.

A Stainless steel Efw Pipe has the same forming and production capabilities as ERW pipes. However, they make use of high voltage current to weld the material. The efw stainless steel pipe is an excellent choice for welding it with dissimilar piping systems.

A SAW pipe is produced as an arc is created between the workpiece and the continuously fed electrodes. The SAW stainless steel spiral pipe is protected against weld contamination using a protective gas shield. This allows it to weld material with higher thicknesses.

 

SS ERW Pipe Specification

Specifications ASTM A312, ASTM A269, ASME SB677, ASTM A213, ASME SA 789/ASTM A789. ASME SA 790/ASTM A790
Size
  •  Ferritic Stainless Steel grade EFW Pipes : 6″ NB to 100″ NB
  •  Martensitic Stainless Steel Welded Pipes : 1/2″ NB to 24″ NB
  •  Austenitic Stainless Steel ERW Pipes : 1/2″ NB to 16″ NB
  •  Super Austenitic Stainless Steel Pipes : 1/8″NB to 30″NB IN
Finish No.4 finish, No.1 Pickled Finish, Electropolished, BA Finish Welded Pipes
Form Round, Square, Rectangular, Hydraulic Etc
Type ERW / Welded / EFW /Spiral Pipes
Dimensions ASME, ASTM and API
Length Double Random , Single Random & Cut to sizw
End Beveled End, Plain End, Treaded
Thickness single slit (0.5mm – 25mm); girth (3mm – 45mm)

 

Name of Product Standard Executive Dimension
Large Diameter Pipes JIS G3468 WT: SCH5S~SCH40S
OD: 14″~40″
Industrial Pipes ASTM A778, A358, A312, JIS G3459 WT: SCH5S~SCH80S
OD: 1/4″~40″
for Ordinary Piping Large Gauge Pipes JIS G3448 WT: 0.8~3.0mm
OD: 15.88~318.5mm

 

Reasonably expect fair prices of A312 Welded Pipe and Stainless Steel ERW Pipe from different suppliers in Dubai, check SS Welded Pipe price per meter in UAE

 

Stainless Steel Welded Pipe Price

Grade 304

Nominal Bore Schedule-5S Outside Diameter Price per Kg in USD Rates Schedule-40S Price per Kg in USD Schedule-10S Price per Kg in USD
mm INCH Weight (Kg/mt) Wt mm mm USD / Kg Rs/Kg Weight (Kg/mt) Wt mm USD / Kg Weight (Kg/mt) Wt mm USD / Kg
20 3/4 1.03 1.65 26.7 3.28 270 1.68 2.87 3.28 1.28 2.11 3.28
6 1/4 0.390 1.24 13.7 3.64 300 0.631 2.24 3.64 0.49 1.65 3.64
10 3/8 0.490 1.24 17.1 3.64 300 0.845 2.31 3.64 0.63 1.65 3.64
3 1/8 0.276 1.24 10.3 4.25 350 0.37 1.73 4.25 0.28 1.24 4.25
50 2 2.40 1.65 60.3 3.28 270 5.44 3.91 3.28 3.93 2.77 3.28
25 1 1.30 1.65 33.4 3.15 260 2.50 3.38 3.15 2.09 2.77 3.15
32 1 1/4 1.65 1.65 42.2 3.15 260 3.38 3.56 3.15 2.70 2.77 3.15
200 8 14.79 2.77 219.1 3.64 300 42.6 8.18 3.64 19.96 3.76 3.64
15 1/2 0.800 1.65 21.3 3.64 300 1.27 2.77 3.64 1.00 2.11 3.64
40 1 1/2 1.91 1.65 48.3 3.28 270 4.05 3.68 3.28 3.11 2.77 3.28
80 3 4.51 2.11 88.9 3.28 270 11.30 5.49 3.28 6.45 3.05 3.28
65 2 1/2 3.69 2.11 73.0 3.28 270 8.63 5.16 3.28 5.26 3.05 3.28
100 4 5.84 2.11 114.3 3.28 270 16.07 6.02 3.28 8.36 3.05 3.28
150 6 11.32 2.77 168.3 3.52 290 28.3 7.11 3.52 13.84 3.40 3.52

Price comparison of few manufacturers

SANYO Special Steel Nippon Steel & Sumitomo Metals (NSSMC) Schoeller Bleckmann (AUSTRIA ) Kobe Steel Sandvik Salzgitter Mannesmann Stainless Tubes DMV Stainless Tubacex (SPAIN)
USD/TON USD/TON USD/TON USD/TON USD/TON USD/TON USD/TON USD/TON
5290 to 7030 $ 5290 to 7030 $ 5830 to 7645 $ 5290 to 7030 $ 7080 to 9270 $ 5830 to 7645 $ 6425 to 8420 $ 5830 to 7645 $

 

What is Supply Condition Of Din 17457 Welded Pipe ?

Following are Supply Condition of Din 17457 Welded Pipe

  • Polished
  • Cold Finish
  • Externally Polished
  • Hot Finish
  • Bright Annealed
  • Passivated
  • Cold Drawn Annealed
  • Annealed and Pickled

 

What are Types of SS Welded Pipe

Stainless Steel ERW Pipe

Stainless Steel ERW Pipe

Stainless Steel Spiral Pipe

Stainless Steel Spiral Pipe

Stainless Steel Welded Pipe

Stainless Steel Welded Pipe

EFW Stainless Steel Pipe

EFW Stainless Steel Pipe

Spiral Welded Stainless Steel Pipe

Spiral Welded Stainless Steel Pipe

Large Diameter Stainless Steel Welded Pipe

Large Diameter Stainless Steel Welded Pipe

SS LSAW Pipe

SS LSAW Pipe

A312 Welded Pipe =

A312 Welded Pipe

SS SSAW Pipe

SS SSAW Pipe

 

Stainless Steel Efw Pipe and spiral welded stainless steel pipe in ANSI SCH 80/ 60/ 40/ 20

 

How To Check The Seam Of Welded Stainless Steel Pipe?

The seam of the A312 welded pipe can be inspected based on different factors. The welded pipes can be checked with appearance tests, surface non-destructive testing, and ray detection or ultrasonic detection tests.

 

Stainless Steel Spiral Pipe Schedule Chart

PIPE SCHEDULES (Inches)
O.D. Inches Nominal 10 10s 40s & Std 160 80s & E.H. 40 80
.405 1/8 .049 .049 .068 .095 .068 .095
.540 1/4 .065 .065 .088 .119 .088 .119
.675 3/8 .065 .065 .091 .126 .091 .126
.840 1/2 .083 .083 .109 .187 .147 .109 .147
1.050 3/4 .083 .083 .113 .218 .154 .113 .154
1.315 1 .109 .109 .133 .250 .179 .133 .179
1.660 1 1/4 .109 .109 .140 .250 .191 .140 .191
1.900 1 1/2 .109 .109 .145 .281 .200 .145 .200
2.375 2 .109 .109 .154 .343 .218 .154 .218
2.875 2 1/2 .120 .120 .203 .375 .276 .203 .276
3.500 3 .120 .120 .216 .437 .300 .216 .300
4.000 3 1/2 .120 .120 .226 .318 .226 .318
4.500 4 .120 .120 .237 .531 .337 .237 .337
5.000 4 1/2 .247 .355
5.563 5 .134 .134 .258 .625 .375 .258 .375
6.625 6 .134 .134 .280 .718 .432 .280 .432
7.625 7 .301 .500
8.625 8 .148 .148 .322 .906 .500 .322 .500
9.625 9 .342 .500
10.750 10 .165 .165 .365 1.125 .500 .365 .593
11.750 11 .375 .500
12.750 12 .180 .180 .375 1.312 .500 .406 .687
14.000 14 .250 .188 .375 1.406 .500 .437 .750
16.000 16 .250 .188 .375 1.593 .500 .500 .843
18.000 18 .250 .188 .375 1.781 .500 .562 .937

 

What are Value Added Services of SS Welded Pipe ?

Value Added Services of SS Welded Pipe

 

Why Ultrasonic, Radiography & Magnetic Particle Test Performed For Stainless Steel Erw Pipe?

The three tests are performed on a large diameter stainless steel welded pipe to detect any flaws or defects in the material. Ultrasonic tests use sound waves to measure their thickness. Radiography tests use x-rays or gamma rays to identify flaws in the system. Magnetic tests are very sensitive that ensure the finest defects are detected.

 

Check spiral wound stainless steel pipe dimensional specification as per ASME B36.19 & pressure rating

 

How Do You Calculate Maximum Allowable Working Pressure Of Stainless Steel Welded Pipe?

A spiral wound stainless steel pipe can calculate the maximum allowable pressure using this formula P=2St/D.
Here,

  • P= pressure of the material
  • t=nominal wall thickness
  • D= outside diameter in inches
  • S= allowable stress in psi

 

A312 Welded Pipe Pressure Rating

Pipe Size O.D. Inches TRUE 5 5s 10s TRUE 10 30 TRUE 40 40s & STD
1/4 0.54 0.049 0.065 0.065 0.088 0.088
0.257 0.3297 0.3297 0.4248 0.4248
1/8 0.405 0.35 0.049 0.049 0.068 0.068
0.1383 0.1863 0.1863 0.2447 0.2447
1/2 0.84 0.065 0.065 0.083 0.083 0.109 0.109
0.5383 0.5383 0.671 0.671 0.851 0.851
3/8 0.675 0.049 0.065 0.065 0.091 0.091
0.3276 0.4235 0.4235 0.5676 0.5676
1 1.315 0.065 0.065 0.109 0.19 0.133 0.133
0.8678 0.8678 1.404 1.404 1.679 1.679
3/4 1.05 0.065 0.065 0.083 0.083 0.113 0.113
0.6838 0.6838 0.8572 0.8572 1.131 1.131
1 1/2 1.9 0.065 0.065 0.109 0.109 0.145 0.145
1.274 1.274 2.638 2.638 2.718 2.718
1 1/4 1.66 0.065 0.065 0.109 0.109 0.14 0.14
1.107 1.107 1.806 1.806 2.273 2.273
2 2.375 0.065 0.065 0.109 0.109 0.154 0.154
1.604 1.604 2.638 2.638 3.653 3.653
3 3.5 0.083 0.083 0.12 0.12 0.216 0.216
3.029 3.029 4.332 4.332 7.576 7.576
2 1/2 2.875 0.083 0.083 0.12 0.12 0.203 0.203
2.475 2.475 3.531 3.531 5.793 5.793
3 1/2 4 0.083 0.083 0.12 0.12 0.226 0.226
3.472 3.472 4.97 4.97 9.109 9.109

 

Which is most Selling Wall Thickness of SS Welded Pipe ?

most Selling Wall Thickness of SS Welded Pipe

 

Stainless Steel EFW Pipe Dimensions

Outside Diameter in. NPS Designator Schedule 80S in. Schedule 10S in. Schedule 5S in. Schedule 40S in.
0.675 3/8 0.126 0.065 0.091
0.54 1/4 0.119 0.065 0.088
0.84 1/2 0.147 0.083 0.065 0.109
1.315 1 0.179 0.109 0.065 0.133
1.05 3/4 0.154 0.083 0.065 0.113
1.66 1 1/4 0.191 0.109 0.065 0.14
2.375 2 0.218 0.109 0.065 0.154
1.9 1 1/2 0.2 0.109 0.065 0.145
3.5 3 0.3 0.12 0.083 0.216
2.875 2 1/2 0.276 0.12 0.083 0.203
4.5 4 0.337 0.12 0.083 0.237
12.75 12 0.5 0.18 0.156 0.375
4 3 1/2 0.318 0.12 0.083 0.226
5.563 5 0.375 0.134 0.109 0.258
8.625 8 0.5 0.148 0.109 0.322
6.625 6 0.432 0.134 0.109 0.28
10.75 10 0.5 0.165 0.134 0.365

 

Many of the listed suppliers stocks and supply SS Welded Pipe of leading manufacturers such as ThyssenKrupp, Tenaris, Baosteel, Tubacex, NSSMC and Sandvik material in Middle East

 

Why Piping Material to buy Stainless Steel ERW Pipe ?

Why Piping Material to buy Stainless Steel ERW Pipe

  • offer you best price with good quality of the materials.
  • have the huge ready stock for sell.
  • deliver the materials strictly according to the the delivery date noted on the contract.
  • various testing apply on product like tests such as Eddy Current test, Ultrasonic test, Hydraulic test and so on before delivery

 

Below are largest SS Welded Pipe Manufacturer list

largest SS Welded Pipe Manufacturer list