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You are here: Home- Selling list304 Stainless Steel Processing,304 Stainless Steel Corrosion

304 Stainless Steel Processing,304 Stainless Steel Corrosion

Posted:2015/6/19 2:04:52

304 Stainless Steel is the most widely used of the austenitic (chromium/nickel) stainless steels. 304 stainless steel and 304L stainless steel have very similar chemical and mechanical properties and are often included on a single material test certificate when the actual properties of a stainless steel plate meet the criteria of both types.

304 Stainless Steel applications:
Heat Exchangers
Pipelines
Pressure Vessels
Flanges and fittings
Valves
Condensers.

304 Stainless Steel Processing:
Types 304 and 304L cannot be hardened by thermal treatment. Annealing: Heat to 1850o F to 2050 o F and cool at sufficiently high rates through 1500oF to 800oF to avoid precipitation of chromium carbides. Stress Relief Annealing: Cold worked parts should be stress relieved at 750oF for ½ to 2 hours.

304 Stainless Steel Forming:
Annealed Types 304 and 304L can be fabricated by roll forming, deep drawing, bending and most other fabrication techniques. Due to the high work hardening rate of these materials, intermediate anneals maybe required to successfully fabricate the part.

304 Stainless Steel Welding:
Types 304 and 304L are weldable by most fusion or resistance welding techniques. If filler metal is required, Type 308 is normally used. Type 304L should be used in heavier sections to reduce the occurrence of carbide precipitation in the heat affected region adjacent to the weld pool

304 Stainless Steel Corrosion:
Types 304 and 304L provides corrosion resistance in a wide range of moderately oxidizing and reducing conditions, fresh water and non-marine applications.

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