SS seamless pipes grade 304 Diameter 13.7 mm X Sch 40

SS seamless pipes grade 304 Diameter 13.7 mm X Sch 40 Stockholders, Suppliers & Exporters in India.

Rgmalloys is one of the one of the top leading manufacturers, stockholders, and suppliers of stainless steel (SS) seamless pipes are one of the most popular materials used in industries today, thanks to their high strength, durability, and resistance to corrosion. Unlike welded pipes, seamless pipes are made from solid materials, ensuring that there are no weak spots along the pipe's length. This makes them ideal for critical applications that demand high reliability and safety.

When we talk about SS seamless pipes in grade 304, we refer to pipes made from a specific stainless steel alloy—304—which is widely recognised for its excellent balance between affordability and performance. Whether you're in the chemical industry, automotive manufacturing, or plumbing systems, SS grade 304 offers a durable and corrosion-resistant solution.

SS seamless pipes grade 304 Diameter 13.7 mm X Sch 40
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Understanding the Specifications: Diameter 13.7 mm X Sch 40

Diameter 13.7 mm: This measurement refers to the outer diameter of the pipe. Pipes with this diameter are typically used for smaller-scale industrial applications, where precision and a compact size are key.

Schedule 40 (Sch 40): "Sch 40" relates to the wall thickness of the pipe. A Sch 40 pipe is known for its standard thickness, providing a balance between strength and ease of installation. It can withstand moderate pressures without being overly thick or heavy, making it perfect for applications such as water lines, gas systems, and more.

Manufacturing Process of SS Seamless Pipes

Raw Material Selection: High-quality stainless steel billets are selected.

Extrusion: These billets are heated and extruded into a hollow tube shape, ensuring there are no seams

Raw Material Selection: High-quality stainless steel billets are selected.

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

ANSI B36.19 STAINLESS STEEL PIPE DIMENSION IN MM & WEIGHT PER KG.
Nominal Pipe Size Outside Diameter Schedule 5 S Schedule 10 S Schedule 20 S Schedule 40 S Schedule 80 S Schedule 160 S XXS
mm inch mm WT mm Weight (KGM) WT mm Weight (KGM) WT mm Weight (KGM) WT mm Weight (KGM) WT mm Weight (KGM) WT mm Weight (KGM) WT mm Weight (KGM)
3 1/8 10.3 1.2 0.20 1.24 0.28 1.5 0.33 1.73 0.37 2.41 0.47 - - - -
6 1/4 13.7 1.2 0.37 1.65 0.49 2.00 0.58 2.24 0.630 3.02 0.80 - - - -
10 3/8 17.1 1.2 0.47 1.65 0.63 2.00 0.74 2.31 0.840 3.20 1.10 - - - -
15 1/2 21.3 1.65 0.80 2.11 1.00 2.30 1.07 2.77 1.27 3.73 1.62 4.75 1.94 7.47 2.55
20 3/4 26.7 1.65 1.03 2.11 1.28 2.55 1.52 2.87 1.69 3.91 2.20 5.56 2.90 7.82 3.64
25 1 33.4 1.65 1.30 2.77 2.09 2.55 1.94 3.38 2.50 4.55 3.24 6.35 4.24 9.09 5.45
32 1.1/4 42.2 1.65 1.65 2.77 2.70 3.00 2.90 3.56 3.39 4.85 4.47 6.35 5.61 9.70 7.77
40 1.1/2 48.3 1.65 1.91 2.77 3.11 3.00 3.55 3.68 4.05 5.08 5.41 7.14 7.25 11.1 10.18
50 2 60.3 1.65 2.40 2.77 3.93 3.00 4.24 3.91 5.44 5.54 7.48 8.74 11.11 11.07 13.44
65 2.1/2 73.0 2.11 3.69 3.05 5.26 4.00 6.81 5.16 8.63 7.01 11.41 9.53 14.91 14.02 20.39
80 3 88.9 2.11 4.51 3.05 6.45 4.00 8.37 5.49 11.29 7.62 15.27 11.1 21.30 15.24 27.68
100 4 114.3 2.11 5.84 3.05 8.36 4.50 12.18 6.02 16.07 8.56 22.32 13.49 33.54 17.12 41.03
125 5 141.3 2.77 9.47 3.40 11.57 5.00 16.80 6.55 21.8 9.53 30.97 15.88 49.11 19.05 57.43
150 6 168.3 2.77 11.32 3.40 13.84 6.35 25.36 7.11 28.26 10.97 42.56 18.25 67.53 21.95 79.22
200 8 219.1 2.77 14.79 3.76 19.96 6.35 33.31 8.18 42.55 12.7 64.64 23.01 111.27 22.23 107.92
250 10 273.1 3.40 22.63 4.19 27.78 6.35 41.77 9.27 60.31 12.7 96.01 28.58 172.33 25.40 155.15
300 12 323.8 3.96 31.25 4.57 36.00 6.35 49.7 9.53 73.88 12.7 132.05 33.32 238.76 25.40 186.97
350 14 355.6 3.96 34.36 4.78 41.3 7.92 67.80 11.13 94.59
ASTM A 312 TP 304
ASTM A 312 TP 316L
ASTM A 312 TP 317L
400 16 406.4 4.19 41.56 4.78 47.29 7.92 77.83 12.7 123.30
450 18 457.2 4.19 46.81 4.78 53.26 7.92 87.71 14.27 155.80
500 20 508.0 4.78 59.25 5.54 68.61 9.53 117.14 15.09 183.42
600 24 610.0s 5.54s 82.47 6.35 94.45 9.53 141.12 17.48 255.41

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.

Chemical Composition

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

Applications of SS Seamless Pipes Grade 304 Diameter 13.7 mm X Sch 40

SS seamless pipes made from Grade 304 and with a diameter of 13.7 mm X Sch 40 are highly versatile. Here are some common applications:

  • Plumbing and Piping Systems: Ideal for water lines, especially in residential and commercial buildings where durability and corrosion resistance are key.
  • Chemical Industry: The excellent corrosion resistance of SS 304 makes it suitable for transporting aggressive chemicals.
  • Marine and Coastal Uses: : Given its resistance to saltwater corrosion, SS 304 is often used in marine applications such as shipbuilding and coastal infrastructure.
  • Automotive Industry: Its high strength-to-weight ratio makes SS seamless pipes perfect for use in automotive exhaust systems and structural components


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