COMMON TRADE NAMES: Sanicro® 28, SAF® 28, Nic28, NiCro 31/27
Alloy 28 is a highly alloyed austenitic stainless steel intended for highly corrosive environments. It is resistant to strong acids, pitting corrosion, crevice corrosion, and stress corrosion cracking. Alloy 28 is commonly referred to by the tradename Sanicro® 28, 28 Chrome, and the universal designation of UNS N08028.
Alloy 28 is used for heat exchangers in severely corrosive conditions high in chlorides, such as marine applications and oil and gas production. CRA offers specialty alloy 28 seamless pipe & tube for use in multiple industries and applications, including:
|≤ 0.03||26 - 28||29.5 - 32.5||BAL||≤ 2.5||≤ 1||3 - 4||0.6 - 1.4||≤ 0.03||≤ 0.03|
ASTM B668, ASME SB668
Per ASTM B668
|Tensile Strength||Yield Strength||Elongation|
|minimum, ksi||minimum, ksi||minimum, %|
|Elastic Modulus||103 ksi||28.3||27.6||26.3||25.1||23.8|
|Steel Making||Electric Arc Furnace followed by Vacuum Oxygen Decarburization (VOD) or Argon Oxygen Decarburization (AOD).|
|Pipe Making||Conventional Seamless Cold Finished Pipe and Tube Manufacturing Processes.|
|Heat Treatment||Cannot be hardened by heat treatment. May be provided in the annealed or cold hardened condition.|
CRA offers this alloy in:
MIN OD: 2-1/16″ (2.0625″)
MAX OD: 10-3/4″ (10.750”)
THICKNESS: Up to 1.925”
LENGTHS: Up to 70′
Standard & Non-Standard Sizes Available.
Manufactured Material Available as Quickly as 1 Week.
Non-Standard Mill Quantities Accommodated