Carbon steel pipe

for high pressureseamlesssolderless

High Pressure Seamless Carbon Steel boiler pipes ASTM A192 standards ASTMA192 —American Society of Mechanical Engineers standards ASMESA192—American Society of Mechanical Engineers standards Purpose: With a minimumwall thickness for high pressure seamless carbon steel pipe Boiler andSuperheater Material furnished under this specification shall conform to the applicable requirements of the current edition of Specification A 450/A 450M, SA450/SA450Munless otherwise provided herein. Manufacture: Tubes shall be made by the seamless process and shall be either hot-finished or cold-finished, as specified. Heat Treatment Hot-finished tubes need not be heat treated. Cold finished tubes shall be heat treated after the final cold-finishing at a temperature of 1200°F [650°C] or higher. The tubes shall have a hardness number not exceeding the following: Brinell Hardness Number (Tubes Rockwell Hardness Number 0.200 in. [5.1 mm] and over in (Tubes less than 0.200 in. wall thickness) [5.1 mm] in wall thickness) 137 HB 77 HRB