stainless steel solar tube 1.OD1-5000mm*WT0.3-100mm Surface:pickled/annealed/mirror polish/Brush Standard:AISI,ASTM,JIS,DIN stainless steel solar tubestainless steel solar tubeNamestainless steel solar tubeStandardsAISI,ASTM,GB, JIS, DINMaterial201,202,304,304L,321,310S,304N,305,308,309,309S,310,314,316,302,316L,316Ti,316Nb,316N,316LN,317,347,405,429,430,444,446,410,420,431 Length:max.15meters/as ...