1,size 50-400mm 2,materials Q235,ss4000,A36,ST37-2 3,Length:1-15m(According to customer needs) 1,corrosion—resistant and of good erformance2,Light weight,hight strength3,Longevith of service,non—maintaining4,It is good that whole performance is steadywe can supply varions models.specifications and varieties of unequal angles.the products conform to the national standards completely and are ...