Stainless Grade 309 and 309S has high corrosion resistance and strength compared to other 300 series stainless.
Next Generation Metals carries 309 Stainless Steel in round bar, pipe, plate and sheet.
UNS S30900, UNS S30908 (sheet, strip and plate), UNS S30909 (309S), AISI 309, AMS 5523, ASME SA240, ASME SA312, ASME SA479, ASTM A240, ASTM A276 Condition S, ASTM A312, ASTM A479, QQ-S-763, QQ-S-766
AMS 5592, AMS 5716 (bar), ASME SB511 (bar), ASME SB535, ASME SB536 (sheet and plate), ASME SB710, ASTM B512
Annealing covers, waste incinerators, muffles, furnace fans, thermowells, anchor bolts, aircraft and jet engine parts, refinery and chemical processing equipment.