ASTM A333 Grade 6 pipe shall be made by the seamless or welding process with the addition of no filler metal in the welding operation.[……]

ASTM A333 Grade 6 is the part of ASTM A333 standard covers wall seamless and welded carbon and alloy steel pipe intended for use at low temperatures. ASTM A333 Grade 6 alloy pipe shall be made by the seamless or welding process with the addition of no filler metal in the welding operation.
ASTM A333 Grade 6 pipe shall be made by the seamless or welding process with the addition of no filler metal in the welding operation.[……]
ASTM A333 is the Standard Specification for Seamless and Welded Steel Pipe for Low-Temperature Service.
ASTM A333 standard covers wall seamless[……]