L245,L290,L320,L360,L390,L415
GB/T9711.1GB/T9711.2ISO3183-1ISO3183-2
For the purpose of transportation
Of gas, water, oil in oil and
Gas industry.
A,B,X42,X46,X56,X60,X65
API Spec 5L
B
ASTM A53ASTM A106
Pipeline tube
