Alloy 347 - Suppilers of AMS 5512 Sheet, AMS 5512 Plate, AMS 5512 Strip

AVAILABILITY Type 347 is available in Sheet, Plates and Bars (Flat, Hex, Round, Square). 347 Foil (Shim) is available in various thicknesses. We are experts in sourcing difficult to obtain sizes. SPECIFICATIONS Type 347 Stainless Steel is covered by the following specifications: UNS S34700 Sheet, Strip and Plate AMS 5512 QQ-S-766 ASTM A 240 ASTM A 167 Bars AMS 5646 AMS 5654 QQ-S-763 ASTM A 276 ASTM A 314 ASTM A 479 Similar Specifications AMS 5556 Seamless or Welded Tubing AMS 5558 and 5575 Welded Tubing : MIL-T-6737 (5575) AMS 5571 Seamless Tubing : MIL-T-8606 UNS : S30347 WS 1.5446 MIL-S-6721 RESISTANCE TO OXIDATION and CORROSION Alloy 347 is a chromium nickel stainless steel which has been modified by the addition of columbium and tantalum. The main advantage of this is an excellent resistance to intergranular corrosion which is common to other austenitic stainless steels following exposure to temperatures of 800° to 1500°F. Type 347 has about the same general corrosion resistance as Type 302 APPLICATIONS Type 347 is generally used where corrosive conditions are severe, such as aircraft exhaust stacks, manifolds and ring collectors. Type 347 is also used for heavy welded assemblies which cannot be annealed after welding or where the operating conditions cause exposure within the temperature range between 800° to 1500°F

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