Size: 100 x 100 x 50mm, 100 x 100 x 40mm, 80 x 80 x 50mm, 80 x 80 x 40mm Grade: AISI201, AISI202, AISI301, AISI302, AISI303, AISI304, AISI304L, AISI309,AISI310, AISI316, AISI316L, AISI321, AISI347, AISI410, AISI420, AISI430, AISI430FR,AISI431, AISI630, 15-5PH, 17-4PH stainless steel channel bar