SS.Rectangular TubeKey Specifications/Special Feature:1) Dimensions: OD. 10*20 - 75*45mm x Thickness.0.2 - 3.0mm2) Custom specifications available3) Steel grades: 304, 316, 304L, 316L, 301, 202, 201, 4094)Standards: a) Domestic: GB/T b) Foreign: ASTM, AWS, ASME, BS, DIN, CAS, KR, NK, LR, AB, JIS Tel: 0086-579-760-1778 Fax: 0086-579-760-1718 Email: