Alloy Steel Pipe and Tube

Bulgaria ASME SA213A213 Seamless Alloy Steel Boiler Super Heater and Stainless Steel Heat Exchanger Tubes

Bulgaria ASTM A335 Seamless Ferritic Alloy Steel Pipe for High Temperature Service

Bulgaria ASTMA519 Seamless Alloy Steel Mechanical Tubing

Bulgaria ASTM A618 Hot Formed Seamless and Welded High Strength Low Alloy Structural Tubing

Bulgaria ASTMA334 Seamless and Welded Alloy Steel Tubes for Low Temperature Service

Bulgaria ASTM A953 Austenitic Chromium Nickel Silicon Alloy Steel Seamless and Welded Tubing