... /300/400 series tig welded stainless steel round or circular pipes for handrails decoration and construction in good quality 1.Brand ... corrosion resistance, anti-wearing, good-appearance, excellent mechanical properties. 10.Product Size: Round pipe:O.D.:9.5,12.7 ... 3mm.Length:3000mm to 6000mm. Square pipe:Side length:10*10,12*12,15*15,18*18,19*19,20* ... .045≤0.04≤0.045≤0.045Mn8.5-10.57.5-10≤2.0≤2.0≤2.0≤1.0 ...