WinTech 10 is as drawn and/or mechanically polished, then electropolished to a 10 µ-in Ra max ID for the pharmaceutical, biotechnology, semiconductor and other ultra high purity processes. Seamless or welded grades.

WinTech 15 is as drawn and/or mechanically polished, then electropolished to a 15 µ-in Ra max ID for the pharmaceutical, biotechnology, semiconductor and other ultra high purity processes. Seamless or welded grades (TIG or Laser Welded) in compliance with ASME-BPE SFT4.

WinTech 20 is as drawn and/or mechanically polished, seamless, TIG or Laser Welded, and is mechanically polished to 20 µ-in Ra max ID for pharmaceutical, biotechnology, semiconductor and other high purity processes in compliance with ASME-BPE SFT1.

WinTech 30 is as drawn and/or mechanically polished, seamless, TIG or Laser Welded, and is mechanically polished to 30 µ-in Ra max ID for pharmaceutical, biotechnology, semiconductor and other high purity processes in compliance with ASME-BPE SFT3.

WinTech 40 is as drawn and/or mechanically polished, seamless, TIG or Laser Welded, and is mechanically polished to 40 µ-in Ra max ID for pharmaceutical, biotechnology, semiconductor.

WinTech BA is as drawn and/or mechanically polished, seamless, TIG or Laser Welded, as a bright annealed commercial tube for all general industries.

WinTech 40

WinTech 40
Bright Annealed and TTC polished seamless
and welded tubing and fittings for use in
high purity bulk gas distribution systems

1.0 Scope

1.1 This specification will establish criterion for bright-annealed seamless and welded tubing and fittings for the use and installation in high purity systems.

1.2 By referencing products produced under this specification, the user shall be assured that WinTech will supply piping components that will meet or exceed the specified tolerances and purity.

1.3 This specification is applicable to tubing and fittings with the outside diameter sizes 1/8” through 6” inclusive.

2.0 Reference Documents

ASTM A213 (EAW)
Seamless ferritic and austenitic alloy-steel boiler, superheated, and heat exchanger tubes.

ASTM A262
Recommended practices for detecting susceptibility to intergranular attack in austenitic stainless steel.

ASTM A249
Welded austenitic steel boiler, superheated, heat exchanger, and condenser tubes

ASTM A269
Seamless and welded austenitic stainless steel tubing for general purpose.

ASTM A270
Specification for seamless and welded austenitic steel for sanitary applications

ASTM A450
General requirements for carbon, ferritic alloy, and austenitic alloy steel tubes.

ASTM A479
General requirements for carbon, ferritic alloy, and austenitic alloy steel bar.

ANSI/ASME B46.1
Specification for surface texture-surface roughness, waviness and lay.

ANSI/ASQC – Q9002
Quality systems–model for quality assurance in production, installation and servicing

ANSI/ASQC – Q10011-1
Guidelines for auditing quality systems

3.0 Material Requirements

3.1 All tubing shall be produced from type 316L or 304L stainless steel, depending on customer requirements. Seamless or welded tubing shall be manufactured and tested to ASTM A269.

3.2 Tubing and fittings shall be seamless or welded as specified by the customer.

3.3 Tubing and fittings shall be permanently marked by an approved method per ASTM A 269. The mark shall contain: manufacturer’s identification, the size and wall thickness, the alloy, and the heat number.

3.4 All bar stock shall conform to the requirements of ASTM A479.

4.0 Surface Finishing

4.1 The ID of the tubing and fittings shall be 40 uin Ra, with the exception of cold formed and welded areas.

4.2 The OD of all fittings shall be 32 uin Ra.

5.0 Cleaning and Packaging

5.1 WinTech does not use mercury or ozone depleting chemicals in the process of our products.

5.2 All tubing and fittings will be thermocouple cleaned and capped in accordance with ASTM A632 – S3

5.3 Final drying will be UHP grade nitrogen, filtered at the point of use.

5.4 All tubing and fittings shall be bagged with 4-6 mil polyethylene tubing.

6.0 Testing and Inspection

6.1 All fitting welds are inboard helium leaked tested to less than 1 x 10 –9 atm cc/sec.

6.2 WinTech will measure tubing and fittings with calipers, micrometers, or other acceptable methods, to certify that the finished products conform to the dimensional requirements to which they were ordered.

6.3 WinTech will supply the following certifications with all WinTech 40 orders;

Certificate of Conformance
Material Test Reports

Winter Technologies
1464 Hoelzer Court
Pacific, Mo 63069
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