Detailed Product Description We strictly follow the ASTM A 554 standard. Features: 1) Material of stainless steel: grade: 201, 202, 304, 304L, 316, 316L, 430, etc. 2) Applied field: construction upholstery, and industry instruments (fencing, railing, safe doors/ windows, gate fittings, inside staircases, balcony balustrades, furniture, sanitary wares, kitchen wares) Specifications: 1) Outer diameter: 9.5mm, 12.7mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24m, 25.4mm, 30mm, 31.8mm, 37mm, 38.1mm, 50mm, 50.8mm, 63mm, 63.5mm, 76m, 89mm, 101mm, 114mm, 133mm 2) Square pipe specification: 10 x 10, 12 x 12, 15 x 15, 19 x 19, 22 x 22, 25 x 25, 30 x 30, 38 x 38, 40 x 40, 50 x 50, 60 x 60, 80 x 80mm 3) Rectangular pipe specification: 15 x 10, 20 x 10, 25 x 10, 25 x 13, 30 x 15, 32 x 16, 40 x 20, 38 x 25, 50 x 25, 75 x 45, 60 x 30, 60 x 40, 95 x 45, 100 x 40, 100 x 50mm 4) Wall thickness: 0.3 - 3.0mm 5) Length: 6m (or according to customers' requests) 6) Polishing: 400#, 320#, 240#, 180#, 80# and hair line 7) Tolerance: a) Outer diameter: +/-0.15mm b) Thickness: +/-10% of wall thickness c) Length: +/-4.8mm - 0mm Packing: plastic bag or according to customers' requests