stainless steel flat bar 1.size:3*20-20*200mm 2.material:AISI201,202,301,304,321,316L,309S,310Sect 3.length:3m-12m stainless steel flat bar1.material:AISI201,202,301,304,321,316L,309S,310Sect2.size:3*20-20*200mm length:3m-12m stainless steel flat bar