Stainless

347/H

These types of stainless are austenitic chromium steels containing columbium. They are recommended for parts fabricated by welding which cannot be subsequently annealed. These types also are used for parts which are intermittently heated and cooled to temperatures between 800 ̊ and 1600 ̊ F. The addition of columbium produces a stabilized type of stainless…
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321/H

These titanium bearing stainless steels are stabilized against carbide precipitation and designed for operation within the damaging temperature range where carbide precipitation develops. In this type of steel, the carbon combines preferentially with titanium to form a harmless titanium carbide, leaving the chromium in solution to maintain full corrosion resistance. Type 321 is basic type…
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317L

317L is a molybdenum bearing austenitic chromium nickel steel similar to type 316 except the alloy content in 317L is somewhat higher. It has superior corrosion resistance in special applications where it is desired to reduce contamination to a minimum. 317L was developed primarily to resist more effectively the attack of sulfurous acid compounds. However,…
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316/L | 316H

Type 316 is a molybdenum steel possessing improved resistance to pitting by solutions con- taining chlorides and other halides. In addition, it provides excellent elevated temperature tensile, creep and stress – rupture strengths.
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310

310S has excellent resistance to oxidation under constant temperatures to 2000 ̊ F. Cyclic conditions reduce its oxidation resistance, and a maximum operating temperature of 1900 ̊ F is generally recommended if cycling is involved. Having a lower coefficient of expansion than most 300 stainless steels, 310S may be used in operations involving moderately severe…
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304/L | 304H

304 stainless is a low carbon (0.08% max) version of basic 18-8 also known as 302. Type 302 has 18% chromium and 8% nickel. Type 304 has slightly lower strength than 302 due to its lower carbon content. Type 304 finds extensive use in welding applications because the low carbon permits some exposure in the…
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