Stainless Steel

Cascadia Metals inventories Grade 304 Stainless Steel for use in a number of applications. Stainless Steel is a steel alloy with a minimum of 10.5% chromium content by mass. Stainless Steel contains sufficient chromium to form a passive film of chromium oxide, which prevents further surface corrosion by blocking oxygen diffusion to the steel surface and corrosion from spreading into the metals internal structure. The chromium passivation layer occurs only if the proportion of chromium is high enough and oxygen is present.

The protective layer on Stainless Steel is too thin to be visible but allows the metal surface to remain lustrous and smooth. This layer is impervious to water and air, protecting the metal beneath and also quickly reforms when the surface is scratched.

The 300 series of Stainless Steels have an austenitic crystalline structure and account for over 70% of total Stainless Steel production. They contain a maximum of 0.15% carbon, a minimum of 16% chromium and sufficient nickel and/or manganese to retain the crystalline structure at all temperatures from the cryogenic region to the melting point of the alloy. Grade 304 is the most widely used of the 300 series. Also known as 18/8 for its composition of 18% chromium and 8% nickel, Grade 304 may be referred to as A2 Stainless or food grade Stainless due to its frequent use in food-related equipment and environments.

Stain Resistance typically resistant to attack from various acidic substances

Corrosion Resistance passivation layer of chromium means resistance to corrosion

Aesthetics luster and smooth finish make it ideal for visible, high use applications

Heat Resistance works well in applications where high heat is required

Durability doesnt chip, bend or crack easily and scratches can typically be buffed out
Our Stainless Steel meets ASTM A240 requirements.

So you can rest assured our product will meet all standard specifications per ASTM.

Surface Finishes
2B Finish

this Stainless Steel finish is a mill finish, which is smooth (not the brushed finish commonly seen on kitchen appliances) and light gray in color. The 304 Stainless Steel 2B finish may or may not have a protective film on one side to prevent scratching.
#4 Finish

this Stainless Steel finish is the brushed finish commonly seen on kitchen appliances and backsplashes. The 304 Stainless Steel #4 finish has a PVC film on one side to help protect against scratching during fabrication and installation.
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