SS welded pipes grade 304 Diameter 26.5 mm X Sch 10

SS seamless welded pipes grade 304 Diameter 26.5 mm X Sch 10, Suppliers & Exporters in India.

SS Welded Pipes made from Grade 304 stainless steel are often the top choice in a wide range of industries. This specific configuration offers unique attributes that make it ideal for various applications. Let’s dive into the details and benefits of these pipes.

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What Is SS Seamless Welded Pipes?

Welded pipes refer to pipes that are manufactured without a weld joint. This feature enhances the pipe's strength and uniformity, making it highly desirable for critical applications. Unlike welded pipes, seamless pipes are formed through a solid billet of stainless steel and can withstand higher pressures and stress.

Grade 304 Stainless Steel – Why It’s Superior

b>Grade 304 is the most versatile and widely used type of stainless steel. Composed of 18% chromium and 8% nickel, it offers outstanding corrosion resistance, oxidation resistance, and formability. The durability of Grade 304 makes it a preferred material in industries like food processing, chemical engineering, construction, and oil and gas.

Key Advantages of Grade 304 Stainless Steel:

  • Corrosion Resistance:Its resistance to both atmospheric and chemical corrosion makes it highly suitable for applications in corrosive environments.
  • Heat Resistance: It can withstand continuous exposure to temperatures as high as 870°C and intermittent exposure up to 925°C.
  • Ease of Fabrication: Despite its strength, 304 stainless steel is relatively easy to fabricate and Mold into complex shapes.

Diameter 26.5 mm X Sch 10 – What Do These Dimensions Mean?

  • Diameter 26.5 mm: This refers to the outer diameter (OD) of the pipe, which is critical for matching the pipe with connectors and fittings in piping systems.
  • Schedule 10 (Sch 10): The "Schedule" refers to the pipe wall thickness. Sch 10 means the pipe has a thinner wall compared to heavier schedules (like Sch 40 or Sch 80). It is typically used for low-pressure applications where high flow rates are needed.

Applications of SS Welded Pipes (26.5 mm X Sch 10)

Thanks to the thinner wall (Sch 10) and moderate diameter, these pipes find usage in:

  • Water Treatment Plants: Ideal for transporting water in less corrosive environments.
  • Pharmaceutical Industry: The corrosion resistance of Grade 304 makes these pipes ideal for handling chemicals and liquids.
  • Food and Beverage Industry:Used in transporting liquids due to their non-reactivity with most substances.
  • Chemical Processing: Suitable for low-pressure applications that need reliable corrosion resistance.
  • Oil and Gas: They can transport oil and gas over long distances, ensuring high safety in lower-pressure environments.

Benefits of SS Seamless Welded Pipes for Industrial Use

  • Leak-Free Performance: The absence of weld seams reduces the risk of leaks, ensuring a more secure and reliable piping system.
  • High Strength and Durability: Grade 304 stainless steel pipes are not only robust but also highly resistant to corrosion, which extends their lifespan significantly.
  • Cost-Effective: Though seamless pipes are more expensive than welded pipes, their durability and lower maintenance costs often make them more economical in the long term.
  • Smooth Flow: The thinner wall of Sch 10 allows for better flow rates, crucial in industries where maintaining high fluid transfer efficiency is necessary.

Why Choose Seamless Over Welded Pipes?

While welded pipes may suffice in many low-stress environments, seamless pipes offer enhanced strength and durability. This makes them ideal for applications where the pipe will be subjected to high pressure, temperature, or corrosive substances. Seamless pipes eliminate any concerns about weak points at welds, giving them a consistent structure throughout, capable of handling harsh operating conditions. For industries such as oil & gas, chemical processing, and pharmaceuticals, this reliability is crucial.

Stainless Steel Pipes Dimension – (S.S. Pipes)

Stainless Steel Pipes Dimension – (S.S. Pipes)
Wall thickness in mm. 0.5 0.6 0.7 0.8 1 1.2 1.6 2 2.6 3 3.2 3.6
O.D. in mm. Weight in kg/meter
6 0.069 0.081 0.093 0.104 0.125 0.144 0.176 – – – – –
9.52 0.112 0.134 0.154 0.174 0.213 0.249 0.317 – – – – –
10 0.119 0.141 0.163 0.184 0.225 0.264 0.336 – – – – –
12.7 0.153 0.182 0.21 0.238 0.293 0.345 0.444 – – – – –
14 0.169 0.201 0.233 0.264 0.325 0.384 0.496 – – – – –
15.87 0.192 0.229 0.266 0.301 0.372 0.44 0.571 0.694 – – – –
19 0.231 0.276 0.32 0.364 0.45 0.534 0.696 0.85 1.066 1.2 1.264 –
25 0.306 0.366 0.425 0.484 0.6 0.714 0.936 1.15 1.456 1.65 1.744 1.926
25.4 0.311 0.372 0.432 0.492 0.61 0.726 0.952 1.17 1.482 1.68 1.776 1.962
31.8 – – – – – 0.918 1.208 1.49 1.898 2.16 2.288 2.538
38 – – – – – 1.104 1.456 1.8 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 2.44 3.133 3.585 3.808 4.248
63.5 – – – – – – 2.476 3.075 3.959 4.538 4.824 5.391
76.1 – – – – – – 2.98 3.705 4.778 5.483 5.832 6.525
101.6 – – – – – – 4 4.98 6 7 7,872 8.82

Chemical Composition

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.

Mechanical Properties

MECHANICAL PROPERTIES
Grade Tensile Strength
Mpa, (Min)		 Yield Strength
Mpa, (Min)		 %Age Elongation
in 50mm gauge
length min		 Hardness (Max)
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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