ASTM A249, ASME SA249
 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  

  
Pressure Tubing  
ASTM A249 / ASME SA249 (Welded Austenitic Steel Boiler Superheater and Heat Exchanger Tubes)
ASTM A269 / ASME SA269 (Seamless & Welded Austenitic Stainless Steel General Service Tubes)
ASTm A270 / ASME SA270 (Seamless & Welded Austenitic Stainless Steel Sanitary Tubing)