Are are sourcing stainless steel pipes with heave walls SCH160. Here you get:Jiangyin Huachang Stainless Steel Pipe Co.,Ltd -17 years experience to do seamless stainless steel pipes O.D up to 48 Inches/1200mm , walls up to 80mm .- Biggest seamless TP316/316L pipes made: 1016x17.48x3000-8000mm- Biggest seamless TP321/321H pipes made: 965X12.7X4000-6000mm- Biggest seamless TP347/347H pipes made: 610X14.3X4000-6000mm- Heaviest wall seamless TP304/304L pipes made: 457x64.00x3000-8000mm- Biggest seamless TP316/316L pipes exported: 914x7.92x5500-6500mm, to New Zealand- Biggest seamless UNS S31803 pipes exported: 609.6x17.48x5500mm , to Germany- Biggest seamless TP347/347H pipes exported: 457x47.00x4000-7000mm, to India - Longest seamless pipes A312 TP321 exported :610x9.53x11800mm, to France Works Approval:ASME Boiler and Pressure Vessel Code Section II, Part A Materials, Approved Max O.D 813mm for seamless pipes/- Pressure Piping Parts Manufacture License of Special Equip P.R.China (Approved Max Outer Diameter 965mm for smls pipes email:charwin.xiao(at)vip.163.com for detail