SSAW Sawl API 5L Spiral Welded Carbon Steel Pipe Q355 Q235B Natural Gas and Oil Pipeline ASTM A572 Gr. 50 Welded Steel Pipe

Introduction to SSAW Sawl   API 5L Spiral Welded Carbon steel Pipe SSAW Sawl API 5L Spiral Welded Carbon Steel Pipe Q355 Q235B Natural Gas and oil pipeline ASTM A572 Gr….

Introduction to SSAW Sawl  API 5L Spiral Welded Carbon steel Pipe

SSAW Sawl API 5L Spiral Welded Carbon Steel Pipe Q355 Q235B Natural Gas and oil pipeline ASTM A572 Gr. 50 Welded Steel Pipe
Steel
The SSAW Sawl API 5L Spiral Welded Carbon Steel Pipe is a crucial component in the construction of natural gas and oil pipelines. This type of pipe is known for its strength, durability, and ability to withstand high pressure. In this article, we will provide an introduction to the SSAW Sawl API 5L Spiral Welded Carbon Steel Pipe, discussing its features, applications, and benefits.

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Firstly, let’s understand what SSAW and Sawl mean. SSAW stands for Submerged Arc Welding, which is a welding process that involves the formation of an arc between a continuously fed electrode and the workpiece. This process is commonly used in the manufacturing of large-Diameter pipes. On the other hand, Sawl stands for Submerged Arc Welded Longitudinal, which refers to the longitudinal welding of the pipe.

The API 5L specification is a widely accepted standard for the manufacturing of steel pipes used in the transportation of natural gas, oil, and water. It sets the requirements for the chemical composition, mechanical properties, and testing of the pipes. The SSAW Sawl API 5L Spiral Welded Carbon Steel Pipe complies with this standard, ensuring its quality and reliability.

One of the key features of the SSAW Sawl API 5L Spiral Welded Carbon Steel Pipe is its spiral welding technique. This technique involves the continuous helical formation of the weld, resulting in a strong and uniform joint. The spiral welding process also allows for the production of pipes with larger diameters, making it suitable for the construction of long-distance pipelines.

Labels a           Calculated Mass c
    Nominal Linear Mass T& C b,c Wall Thick- ness       em, Mass Gain or Loss Due to End Finishing d
  Outside Diameter     Inside Diameter Drift Diameter Plain- end kg
              Round Thread Buttress Thread
            wpe        
  D kg/m t D mm kg/m Short Long RC SCC
  mm   mm mm            
1 2 3 4 5 6 7 8 9 10 11 12
13 3/8 48 339.72 71.43 8.38 322.96 318.99 68.48 15.04 — 17.91
13 3/8 54.5 339.72 81.1 9.65 320.42 316.45 78.55 13.88 16.44
13 3/8 61 339.72 90.78 10.92 317.88 313.91 88.55 12.74 14.97
13 3/8 68 339.72 101.19 12.19 315.34 311.37 98.46 11.61 14.97
13 3/8 68 339.72 101.19 12.19 315.34 311.37 98.46 11.67 f 14.33
13 3/8 72 339.72 107.15 13.06 313.6 311.15 e 105.21 10.98 13.98
13 3/8 72 339.72 107.15 13.06 313.6 311.15 e 309.63 309.63 105.21 10.91 f 14.33
13 3/8 72 339.72 107.15 13.06 313.6   105.21 10.98 13.98
13 3/8 72 339.72 107.15 13.06 313.6   105.21 10.91 e  
16 65 406.4 96.73 9.53 387.4 382.57 96.73 18.59 — 20.13
16 75 406.4 111.61 11.13 384.1 379.37 108.49 16.66 18.11
16 84 406.4 125.01 12.57 381.3 376.48 122.09 14.92
16 109 406.4 162.21 16.66 373.1 368.3 160.13  
18 5/8 87.5 473.08 130.21 11.05 450.98 446.22 125.91 33.6 39.25
20 94 508 139.89 11.13 485.7 480.97 136.38 20.5 27.11 24.78
20 94 508 139.89 11.13 485.7 480.97 136.38 20.61 27.26 g 24.27 17.84 24.78
20 106.5 508 158.49 12.7 482.6 477.82 155.13 18.22   22
20 133 508 197.93 16.13 475.7 470.97 195.66 13.03   16.02
NOTE See also Figures D.1, D.2, and D.3.
a Labels are for information and assistance in ordering.
b Nominal linear masses, threaded and coupled (Column 4) are shown for information only.
c The densities of martensitic chromium steels (l80 Types 9Cr and 13Cr) are less than those of carbon steels; The masses shown are therefore not accurate for martensitic chromium steels; A mass correction factor of 0.989 shall be used.
d Mass gain or loss due to end finishing; See 8.5.
e Drift diameter for most common bit size; This drift diameter shall be specified in the purchase agreement and marked on the pipe; See 8.10 for drift requirements.
f Based on 758 mPa minimum yield strength or greater.
g Based on 379 mPa minimum yield strength.

The Q355 and Q235B grades of carbon steel used in the manufacturing of the SSAW Sawl API 5L Spiral Welded Carbon Steel Pipe offer excellent mechanical properties. These grades have high tensile strength, which ensures the pipe’s ability to withstand high pressure and external loads. Additionally, they have good weldability, allowing for easy and efficient welding during installation.

The SSAW Sawl API 5L Spiral Welded Carbon Steel Pipe is commonly used in the transportation of natural gas and oil. Its High strength and durability make it suitable for long-distance pipelines, where it can withstand the harsh conditions of underground and underwater environments. The pipe’s resistance to corrosion and abrasion further enhances its longevity and reliability.