Stainless Steel Pipe 304/304L Polished

Type 304/304L stainless steel, or 18-8 as it is sometimes called, combines remarkable resistance to many corrosive environments with mechanical properties similar to most structural steels. It is non-magnetic in the annealed condition and not hardenable by heat treatment. Its strength can be improved by cold work. Type 304/304LL or the low Carbon version (.03 max) of 304/304L should be used when welding is required.


ASTM A554-21
ASTM A240-22


Used in dairy, beverage, and food industries as well as in parts which see most concentrations of acetic, nitric, citric acids, organic and inorganic chemicals, crude and refined oils. Due to being non-magnetic it is used in instruments measuring magnetic and electrical properties..

How To Measure:

ID (Inside Diameter) & W (Wall)

  • Iron 66.34 - 74 max
  • Carbon .08 max
  • Manganese 2.00 max
  • Phosphorus 0.045 max
  • Sulphur .030 max
  • Silicon 1 max
  • Iron 82
  • Chrome 18.00 max
  • Nickel 14
  • Molybdenum 3.00 max
Mechanical Properties:
  • Tensile Strength = 85 Ksi
  • Yield Strength = 35 Ksi
  • Rockell Hardness B92 / 195 max
  • % Elongation = 55

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