Copper beryllium tubing, in Alloy 25 (UNS C17200), is available in sizes from .750” OD and smaller, with wall thickness up to .050”.
A.T. Wall possesses a wide range of seamless and welded tubing geared toward the customer who requires responsiveness and flexibility. We are an ISO 9001:2015 company certified with TUV Rhineland of North America. A.T. Wall is a custom manufacturer that manufactures tubular raw materials in a broad range of alloys. We accept small orders and ship globally.
Seamless Cold drawn Glass to Metal tubing, commonly know as Kovar*. Various other Nickel Iron alloys and other specialty metals also available. Size ranges from .020” – 6.00”.
A.T. Wall Company has produced Glass to Metal tubing for the Electronics Industry for over 25 years. The material commonly known as Kovar* is an alloy of Nickel, Cobalt and Iron and is uniquely designed for Glass To Metal sealing. A.T. Wall produces seamless straight length tubing for a variety of highly sophisticated applications.
Rounds, squares, triangles, rectangles, ovals, half-rounds, hexagons, and fluted rounds. Other configurations available upon request.
Precision tolerances are normally one half of the commercial tolerances. Thousands of tool combinations permit us to ensure your most stringent tolerance needs.
*Kovar is a registered trademark of Carpenter Technology
Rounds, squares, rectangles, and ovals. Other configurations available upon request.
Precision tolerances are normally one half of the commercial tolerances. Thousands of tool combinations permit us to ensure your most stringent tolerance needs on a drawn-to-size basis.
Special processing includes O.D. centerless grinding and I.D. honing. Cutting processes include saw, abrasive, and ECM (no burr) cutting.
*Kovar is a registered trademark of Carpenter Technology
A special tantalum seamless tube stocking program includes popular sizes under 0.500 inch O.D. Contact A.T. Wall for details.
Look to A.T. Wall for rapid delivery of seamless Tantalum tubing and Tantalum alloy tubing to ASTM B521. Niobium and Niobium alloys to ASTM B394 to your specifications.
With in-house engineering, we can stamp and coin tantalum strip to meet your specific design. Rod and sheet is also available. Whether you’re working on a new application or seeking to improve an existing product, A.T. Wall can supply you with your tubing needs.
*Kovar is a registered trademark of Carpenter Technology
Copper beryllium tubing, in Alloy 25 (UNS C17200), is available in sizes from .750” OD and smaller, with wall thickness up to .050”.
Cold drawn, close tolerance tubing with a smooth ID surface to meet all of your specifications.
When consistent high quality Waveguide Tubing is required … leading defense, aerospace, telecommunications and subcontract fabrication companies around the world rely on the A.T. Wall Company. The company’s manufacturing facility in Warwick, Rhode Island, USA, is a pioneer of advanced Waveguide manufacturing technology and a world leader in precision-drawn Waveguide tubing for high-frequency transmission applications, including space and avionics.
Finished Waveguide Tubing is stocked at the company’s major distribution centers located in the USA and the UK. Also, several of the company’s European sales agents maintain finished stocks within their country. This warehouse-stocking program ensures fast delivery on all Waveguide Tubing, normally within 48 hours.
Rigid rectangular, square, and oval waveguide are available in standard, thin, and heavy wall thickness. Rigid rectangular and square also come in ¼ and ½ height if needed. All waveguide is manufactured to applicable military specifications.
Custom sizes can be manufactured to exact specifications. Over the years, more than 1,000 non-standard sizes/configurations have been produced for customers.
Normal stock lengths are 12 feet long, depending upon material and tube shape. Shorter or longer lengths to meet exact customer requirements are available upon request. Maximum length is 18 feet.
In order to guarantee consistently high quality and reliability, the company provides a Certificate of Compliance with every shipment – ensuring 100% raw material traceability and full chemical certification.
Established quality systems comply with: ISO 9001:2015/ANSI/ASQ 9001
Most materials are offered in the cold drawn, as drawn, condition. Other special tempering or stress-relieving may be requested, depending on the material type.
Available in sizes WR22 through WR650. Brass, and Phos-Bronze.
A.T. Wall is a supplier of flexible waveguides in brass and phosphorous bronze in sizes WR22 through WR650. Call us for details on electrical performance, power handling, and mechanical specifications. Our knowledge of flexible waveguide products for all applications will save you time in your efforts to maximize performance.
Available in sizes WR10 through WR284. Brass and Phos-Bronze.
A.T. Wall is a supplier of seamless, flexible waveguides in brass and phosphorous bronze in sizes WR10 through WR284. Extra flexible waveguides and double-ridged flexible waveguides are available. Jackets include polysulfide rubber per MIL-S-8802 and silicone rubber per MIL-S-23586. Flanges are available upon request.
PRECIOUS METAL TUBING
Cold drawn seamless Precious Metal Tubing in size ranges from .020” – 6.00”. Materials include Fine Silver, Coin Silver, and Sterling Silver.
A.T. Wall provides Precious Metal Tubing in a precision round, square, or rectangle shape. Other configurations are available upon request.
Precision tolerances are normally one half of the commercial tolerances. Thousands of tool combinations permit us to ensure meeting your most stringent tolerance needs for Precious Metal Tubing.
| WR | MIL-W-85 | MATERIAL | FREQ. RANGE/GHz | ID | OD | WALL |
|---|---|---|---|---|---|---|
| WR3 | * | COPPER BRONZE COIN SILVER | 220.00 - 325.00 | .034 x .017 | .094 x .077 | 0.03 |
| WR4 | * | COPPER BRONZE COIN SILVER | 170.00 -260.00 | .043 x .0215 | .103 x .0815 | 0.03 |
| WR5 | * | COPPER BRONZE COIN SILVER | 140.00 - 220.00 | .051 x .0255 | .111 x .0855 | 0.03 |
| WR7 | * | COPPER BRONZE COIN SILVER | 110.00 - 170.00 | .065 x .0325 | .125 x .0925 | 0.03 |
| WR8 | * | COPPER BRONZE COIN SILVER | 90.00 - 140.00 | .080 x .040 | .140 x .100 | 0.03 |
| WR10 | 3-024 --- 3-023 | COPPER BRONZE COIN SILVER | 75.00 - 110.00 | .100 x .050 | .180 x .130 | 0.04 |
| WR12 | 3-021 --- 3-020 | COPPER BRONZE COIN SILVER | 60.00 - 90.00 | .122 x .061 | .202 x .141 | 0.04 |
| WR15 | 3-018 --- 3-017 | COPPER BRONZE COIN SILVER | 50.00 - 75.00 | .148 x .074 | .228 x .154 | 0.04 |
| WR19 | 3-015 --- 3-014 | COPPER BRONZE COIN SILVER | 40.00 - 60.00 | .188 x .094 | .268 x .174 | 0.04 |
| WR22 | 3-011 --- 3-010 | COPPER BRONZE COIN SILVER | 33.00 - 50.00 | .224 x .112 | .304 x .192 | 0.04 |
| WR28 | 3-007 --- 3-006 | COPPER BRONZE COIN SILVER | 26.50 - 40.00 | .280 x .140 | .360 x .220 | 0.04 |
| WR34 | 1-107 1-109 1-108 1-111 | COPPER BRONZE 1100 AL 6061 AL | 22.00 - 33.00 | .340 x .170 | .420 x .250 | 0.04 |
| WR42 | 1-100 1-102 1-106 1-103 1-104 | COPPER BRONZE 1100 AL 6061 AL | 18.00 - 26.50 | .420 x .170 | .500 x .250 | 0.04 |
| WR51 | 1-094 1-096 1-097 1-098 | COPPER BRONZE 1100 AL 6061 AL | 15.00 - 22.00 | .510 x .255 | .590 x .335 | 0.04 |
| WR62 | 1-087 1-089 1-090 1-091 1-104 | COPPER BRONZE 1100 AL 6061 AL | 12.40 - 18.00 | .622 x .311 | .702 x .391 | 0.04 |
| WR75 | 1-081 1-085 1-083 1-084 | COPPER BRONZE 1100 AL 6061 AL | 10.00 - 15.00 | .750 x .375 | .850 x .475 | 0.05 |
| WR90 | 1-075 1-079 1-077 1-078 | COPPER BRONZE 1100 AL 6061 AL | 8.20- 12.40 | .900 x .400 | 1.000 x .500 | 0.05 |
| WR102 | 1-156 1-155 1-158 | COPPER BRONZE 1100 AL 6061 AL | 7.00 - 11.00 | 1.020 x .510 | 1.148 x .638 | 0.064 |
| WR112 | 1-069 1-073 1-071 1-072 | COPPER BRONZE 1100 AL 6061 AL | 7.05 - 10.00 | 1.122 x .497 | 1.250 x .625 | 0.064 |
| WR137 | 1-063 1-067 1-065 1-066 | COPPER BRONZE 1100 AL 6061 AL | 5.85 - 8.20 | 1.372 x .622 | 1.500 x .750 | 0.064 |
| WR159 | 1-057 1-061 1-059 1-060 | COPPER BRONZE 1100 AL 6061 AL | 4.90 - 7.05 | 1.590 x .795 | 1.718 x .923 | 0.064 |
| WR187 | 1-051 1-055 1-053 1-054 | COPPER BRONZE 1100 AL 6061 AL | 3.95 - 5.85 | 1.872 x .872 | 2.000 x 1.000 | 0.64 |
| WR229 | 1-045 1-049 1-047 1-048 | COPPER BRONZE 1100 AL 6061 AL | 3.30 - 4.90 | 2.290 x 1.145 | 2.418 x 1.273 | 0.064 |
| WR284 | 1-039 1-043 1-041 1-042 | COPPER BRONZE 1100 AL 6061 AL | 2.60 - 3.95 | 2.840 x 1.340 | 3.000 x 1.500 | 0.08 |
| WR340 | 1-033 1-037 1-035 1-036 | COPPER BRONZE 1100 AL 6061 AL | 2.130 - 3.00 | 3.400 x 1.700 | 3.560 x 1.860 | 0.08 |
| WR430 | 1-027 1-031 1-029 1-030 | COPPER BRONZE 1100 AL 6061 AL | 1.70 - 2.60 | 4.300 x 2.150 | 4.460 x 2.310 | 0.08 |