STAINLESS STEEL SEAMLESS PIPES SIZES Thick Quality 1/2 nb x sch 160 4.50 to 4.75 316 3/4 nb x sch 160 5.20 to 5.35 316 1 nb x sch 40 3.10 to 3.25 316 1 nb x sch 80 4.2 to 4.35 316 1 1/2 nb x sch 40 3.35 to 3.50 316 2 nb x sch 40 3.50 to 3.65 316 2 nb x sch 80 5.15 to 5.30 316 2 1/2 nb x sch 10 2.70 to 2.85 316 2 1/2 nb x sch 40 4.70 to 4.85 316 3 nb x sch 40 5.20 to 5.35 316 3 nb x sch 80 7.30 to 7.50 316 4 nb x sch 10 2.70 to 2.85 316 4 nb x sch 40 5.5 to 5.65 316 4 nb x sch 80 8.20 to 8.50 316 2 od x 14 swg 1.95 to 2.10 316 5 nb x sch 10 3.10 to 3.25 316 6 nb x sch 10 3.20 to 3.35 316 6 nb x sch 40 6.60 to 6.75 316 4 od x 14 swg 1.95 to 2.10 316 8 nb x sch 10 3.60 to 3.75 316 8 nb x sch 10 3.60 to 3.75 316 Show More