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TP304L Stainless Steel Seamless Tubing , ASTM A269 Industrial Stainless Steel Pipe

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TP304L Stainless Steel Seamless Tubing , ASTM A269 Industrial Stainless Steel Pipe

Country/Region china
City & Province shanghai shanghai
Categories Steel Profiles

Product Details

TP304L Stainless Steel Seamless Tubing , ASTM A269 Industrial Stainless Steel Pipe




Spezilla manufacture standard sizes of seamless and welded stainless instrumentation tubing. Our stainless steel instrumentation tubing primarily consist of the austenitic grades of 304, 304L, 316 and 316L, in a size range from 1/4” to 1/2” outside diameters in straight lengths and coils, where applicable. Stainless steel instrumentation tubing is stocked in the annealed and pickled, bright annealed, mill finish and polished conditions. These are the four most popular austenitic grades of stainless steel which provide excellent overall corrosion resistance.


Tubing Grade: 316/316L


Tube OD sizes (Fractional): 1/8, 1/4, 1/2, 5/8, 3/4, 1 in.


Tube OD sizes (Metric): 6, 8, 10, 12, 16, 18, 20, 25 mm


Wall Thickness (Fractional): 0.028, 0.035, 0.049, 0.065, 0.083, 0.095, and 0.109 in.


Wall Thickness (Metric): 1.0, 1.5, 2.0, and 2.5 mm




Spezilla's stainless steel instrumentation tubing are sold to a wide range of industries/markets, due to their overall corrosion resistance and good machinability:


1. Power Generation

2. Automotive

3. Chemical and Petrochemical

4. Oil and gas platforms: 

    Process instrumentation and sensing

    Chemical inhibition

    Impulse lines

    Hydraulic application




Stainless Steel Instrumentation Tubing Chemical Requirements (wt%)
C Max.0.080.0300.080.030
Mn Max.
P Max.0.0450.0450.0450.045
S Max.0.0300.0300.0300.030
Si Max.


Stainless Steel Instrumentation Tubing Dimensional Tolerances ASTM A269
Size ODOutside Diameter(MM)Length(MM)Wall (MM)
Up to 1/2''(13)+/-0.005 (+/-0.13)


1/2'' to 11/2'' (13 to 38), excl+/-0.005 (+/-0.13)+1/8''(3.2)/-0+/-10.0%
11/2'' to 31/2'' (38 to 89), excl+/-0.010 (+/-0.25)+3/16''(4.8)/-0+/-10.0%
31/2'' to 51/2''(89 to 140), excl+/-0.015 (+/-0.38)+3/16''(4.8)/-0+/-10.0%
51/2'' to 8'' (140 to 203), excl+/-0.030 (+/-0.76)+3/16''(4.8)/-0+/-10.0%
8'' to 12'' (203 to 305), excl+/-0.010 (+/-1.01)+3/16''(4.8)/-0+/-10.0%
12'' to 14'' (305 to 356), excl+/-0.050 (+/-1.26)+3/16''(4.8)/-0+/-10.0%




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