Wisconsin and the dairy industry are synonymous and United Industries has been involved since the beginning of the modern sanitary and dairy industry. Both industry segments require clean
and polished tubing with strict material control and identification.

TYPES 304L & 316L





United Industries has manufactured quality ASTM A270 tubing for 25+ years.

United Industries' reputation for cleanliness and surface finish of welded stainless steel tubing, combined with quality of service have made United Industries' tubing an accepted standard in the sanitary, dairy, food, beverage and pharmaceutical industries.

Size Range: 1/2" - 8"

Mechanical Tests

ASTM A270 / A450 require reverse flatten, eddy current or hydrostatic testing. In addition, United Industries performs a flare, flatten, flange and a reverse bend test. Surface roughness is measured per ASME / ANSI B46.1, which is derived from (4) readings taken at cross sections approximately 90 degrees apart.

Finishes / Packaging

Sanitary A270 (3A) TPV Certified - #1 BA, #3 ID - Only, #5 OD - Only, #7 ID & OD
Mechanical Polish = (240 grit ID, 180 grit OD)
Pharmaceutical A270 -S2 ASME BPE
SF1 (Mechanical Polish) 20Ra Max. (0.5µm) ID, 30Ra Max. (0.8µm) OD
SF4 (Electro Polish) 15Ra Max. (0.4µm), 30Ra Max (0.8µm) OD

All mechanical polished tubes are polished inside and out to QS Standards that meet or exceed A270 3A, A270-S2, ASME BPE.

All material is end capped and poly sleeved. Tubes are packaged in tri-wall cardboard boxes with wood ends.

Material Certification is shipped with all tubing. Material Certification is also available via: www.unitedindustries.com.

Other packaging available upon request.