Key Specifications/Special Feature: 1. OD: 6 - 830mm, thickness: 0.5 - 40mm 2.Material: 321, 304, 304L, 316, 316L, 310S 3. Standard: ASTM, DIN, JIS 4. Application: chemical industry, petroleum, medicine, food, machinery, construction; space, war industry, hardware, boilers, heat exchangers, ships and electricity 5. Custom specifications available