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Western Pneumatic Tube Company
835-6th Street South, Kirkland, WA 98033-6759
PH: 425-822-8271 --- FAX: 425-828-6669

Western Pneumatic Tube Company is a custom, welded tube mill capable of producing specialty tubing in a wide variety of materials and configurations.

The capability of manufacturing highly specialized tubing to aerospace and labratory tolerances, as well as the capacity for volume production, provides the means for flexible and efficient response to a broad range of industry requirements.

Welded and Bead-Reduced Tubing
Tolerance Standards
DIAMETER (by peripheral measurement) 
  .75" to 2" exclusive+/- .005
  2" to 2.5" exclusive+/- .0075
  2.5" to 4.5"+/- .010
  5" to 12"+/- .015
STRAIGHTNESS .030" in 3 feet 
OVALITY (by micrometer measurement)
1% to 4% of O.D. depending upon
wall to diameter ratio.
 
WALL
THICKNESS
.004" to .125" 


Welded and Cold Drawn Tubing
Tolerance Standards
DIAMETER (by peripheral measurement) 
  .75" to 2" exclusive+/- .005
  2" to 2.5" exclusive+/- .007
  2.5" to 4.5"+/- .010
STRAIGHTNESS .030" in 3 feet 
OVALITY (by micrometer measurement)
Ovality allowance of twice the
O.D. tolerance is permitted.
 
WALL
THICKNESS
.016" to .125" 
Stainless Steels
301309 321*
304 310 347
304L 316 409
305 316L 201
15-5 PH 15-7 Mo 
17-4 PH 17-7 PH 
19-9 DL 21-6-9 
A 286 AM 350 
Nickel Alloys
230617 800
263625*801
600702825
601718* 
C 276N 155 
RA 330Nickel 200 
Reactive & Refractory
Metals & Alloys
Unalloyed Titanium* Ti40
Ti-6A-4V
Ti-15V-3AI-3Sn-3Cr
HS-188 L-605
Columbium (Conversion Only)
Tantalum (Conversion Only)
Zirconium (Conversion Only)



You can visit the Western Pneumatic Tube Company web site at: http://www.wptube.com


 
© 2002 Ian Davidson & Associates, Inc., Benton Harbor, MI. All Rights Reserved.