ASTM A333 Grade 6 is the part of standard covers wall seamless and welded carbon and alloy steel pipe intended for use at low temperatures.
ASME SA333 Gr.6 Seamless Steel Pipe
ASTM A333 Standard covers seamless and welded steel pipe for low temperature service.
ASTM A333 Low Temperature Pipe
ASTM A333 (ASME S/A-333) Pipe grades permit low temperature service.
ASTM A333 alloy pipes
ASTM A333 covers wall seamless and welded carbon and alloy steel pipe intended for use at low temperatures.