Product: Seamless Steel Tube ASTM A192/A192M-02 Standard: ASTM A 192/A 192M-02 Standard Specification for Seamless Carbon Steel Boiler Tubes for High-Pressure Service. Application: For seamless crabon steel boiler and superheater tubes for high-pressure service. Size: O.D.:1/2~7in.( 12.7~177.8mm) W.T.: 0.085~1.000in.(2.2~25.4mm) Length: Max.15000mm .......... For more details and products, please feel free to contact us. KWK Steel Specialized in steel tube ...