SS Seamless Tubes Grade 316L Diameter 6.3mm X 0.9mm Thickness

SS Seamless Tubes Grade 316L Diameter 6.3mm X 0.9mm Thickness Stockholders, Suppliers & Exporters in India.

Rajgranth metals is top leading manufacturers, stockholders, exporters of Stainless steel (SS) seamless tubes are vital components in various industries, providing a reliable and durable solution for fluid transfer, structural support, and other critical applications. Among the many stainless steel grades available, Grade 316L stands out for its exceptional properties, particularly in environments where corrosion resistance and strength are essential. For industries requiring precise dimensions, such as 6.3 mm diameter and 0.9 mm thickness, Grade 316L seamless tubes offer a superior solution. In this article, we’ll dive into the unique properties, applications, and advantages of SS seamless tubes, specifically focusing on Grade 316L with these exact dimensions.

Specifics of SS Seamless Tubes Grade 316L with 6.3 mm Diameter and 0.9 mm Thickness

The dimensions of 6.3 mm diameter and 0.9 mm thickness make this tube suitable for specialized applications requiring precision. The small diameter ensures that it can fit into tight spaces or be used in systems where space is a premium, such as in heat exchangers, condensers, or compact fluid transfer systems.

Manufacturing Process of SS Seamless Tubes

Seamless tubes are made by a process called extrusion, where a solid billet of steel is pierced to create a hollow tube. The billet is heated to high temperatures and then forced through a die to form the tube. This method ensures a smooth, continuous structure with no seams.

The cold-drawing process is then used to achieve the final diameter and wall thickness, ensuring tight tolerances and a perfect finish.

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

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

Applications of SS Seamless Tubes in Diameter 6.3mm x 0.9mm

These tubes find use in several critical industries:

  • Oil and Gas: Used in high-pressure systems, pipelines, and instrumentation.
  • Automotive: Applied in exhaust systems and fuel lines.
  • Medical: In surgical tools, implants, and fluid control systems.
  • Instrumentation: For precise control in measuring equipment.


Our Stainless Steel Seamless Tube Used In Many Industries & Have Many Application
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