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Valley Stainless & Alloy, Inc., receives the most requests for 303, 304/L, 316/L, 409 and 430 materials. 303
stainless steel is corrosion resistant to atmospheric exposures, sterilizing solutions and most organic and
many inorganic chemicals, dyes, nitric acid and foods. 304 is a good heat resister with good corrosion
resistance capabilities. It is also formable and can be readily welded. 304L avoids harmful carbide
precipitation due to welding with the same corrosion resistance as 304, but slightly lower mechanical
properties. 316 offers better corrosion and pitting resistance as well as higher strength at elevated
temperatures. 316L embodies the properties of 316 while avoiding the harmful carbide precipitation due to
welding. 409 stainless is used widely in the automotive industry because of its economy and good
resistance to oxidation and corrosion. 430 combines good corrosion, heat resistance and good mechanical
properties. Oxidation resistance is stable to 1500° F.
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The possibilities for stainless steel usage seem endless:
- Restaurant countertops, sinks, back splashes and, utensils are used for ease of maintenance, sanitary reasons, and beauty.
- HVAC companies use stainless exhaust and ductwork because of its non-corrosive properties and strength.
- Architectural uses can be decorative and useful on building exteriors. Stainless siding and decking is used for its strength and non-corrosive properties.
- Construction uses range from stainless steel bolts to bracing for building construction due to the metal's non-corrosive properties and strength. Stainless flashing and corrugated roofing materials are also becoming more popular.
- Co-generation and boiler plants utilize stainless steel tubing and plating on floors and in steam generation usages.
- Transportation uses are varied: truck bodies, wheel wells, rims, as well as refrigeration bodies and liquid storage tanks.
- The aerospace industry utilizes stainless for its heat resistant and non-corrosive properties.
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