Stainless Steel Pipes

Stainless Steel Pipes SEJIN TUBE TECH has grown to be one of the leading manufacturer and supplier for the welded Stainless Tubes such as ASTM A249, ASME SA249, Stainless Steel Pipes, Heat Exchanger Tubes, Light Gauge Stainless Steel Pipes, Stainless Steel Sanitary Tubing and Stainless Steel Seamless Tube Dimension Specification : KS D 3576, JIS G 3459, ASTM A 312 Usage : Corrosion and thermal resisting, pipes used in textile, pulp industry. Nominal Szie Out Diameter Normal Wall Thickness (SCH) 5S 10S 20S 40S 80S A B KS ASTM KS ASTM KS ASTM KS KS ASTM KS ASTM 8 1/4 13.8 13.72 1.2 - 1.65 1.65 2.0 2.2 2.24 - - 10 3/8 17.3 17.15 1.2 - 1.65 1.65 2.0 2.3 2.31 - - 15 1/2 21.7 21.34 1.65 1.65 2.1 2.11 2.5 2.8 2.77 3.7 3.73 20 3/4 27.2 26.67 1.65 1.65 2.1 2.11 2.5 2.9 2.87 3.9 3.91 25 1 34.0 33.40 1.65 1.65 2.8 2.77 3.0 3.4 3.38 4.5 4.55 32 1 1/4 42.7 42.16 1.65 1.65 2.8 2.77 3.0 3.6 3.56 4.9 4.85 40 1 1/2 48.6 48.26 1.65 1.65 2.8 2.77 3.0 3.7 3.68 5.1 5.08 50 2 60.5 60.33 1.65 1.65 2.8 2.77 3.5 3.9 3.91 5.5 5.54 65 2 1/2 76.3 73.03 2.1 2.11 3.0 3.05 3.5 5.2 5.16 - - 80 3 89.1 88.9 2.1 2.11 3.0 3.05 4.0 5.5 5.49 - - 90 3 1/2 101.6 101.6 2.1 2.11 3.0 3.05 4.0 5.7 5.74 - - 100 4 114.3 114.3 2.1 2.11 3.0 3.05 4.0 6.0 6.02 - - Tolerance Division KS D3576 ASTM A312 Tolerance Out Diameter D < 30 ±0.3 10.29 < D < 48.26 +0.4-0.8 L >30 ±1% 48.26 < D < 114.3 +0.8-0.8 114.3 < D < 219.08 +1.6-0.8 219.08 < D < 406.4 +2.4-0.8 Wall Thickness t < 2 ±0.2% All Size All size over 12.5% t > 2 ±10% Length Longer than the specified length All Size +6.4-0.0 Straighthness Shall be practically straight Shall be pratically straight