GR.B #20 Welded Hot Rolled Medium Carbon Steel Boiler Tube

Black Painting Welded Steel Pipe / MS Galvanized Welding Tu

15Mo3 Seamless Carbon Steel Pipe Cold Drawn , Precision Gal

Small Diameter Seamless Carbon Steel Round Piping , 5m - 25

Grade A / B Zinc Coated Seamless Carbon Steel Pipe ASTM A53

A106 Seamless Carbon Steel Pipe SCH10 XXS , Construction St

20# 40# 45# ERW Mid Carbon Welded Steel Pipe / ERW Carbon S

Annealed Seamless Carbon Steel Pipe Varnish Astm A106 / Nat

Electric Resistance Welding Carbon Steel Pipe ASTM A178 Thi

SA179 Cold Drawn Seamless Carbon Steel Pipe For Oil GB8162

Galvanized Seamless Carbon Steel Pipes Cold Drawn ASTM A179

ASTM A53 , ASTM A36 Spiral Welded Steel Pipe For Automobile

Q235 , Q345 API 5L Spiral Welded Steel Pipe For Constructio

ASTM A53 Black Painted / Galvanized Spiral Welded Steel Pip

JIS , DIN Spiral SSAW / Hot Rolled Steel Pipe Q235B , Q345B

X42 , X46 , X60 , X65 , X70 Spiral Welded Steel Pipe For Fl

Hot Dipped Galvanized Spiral Welded Steel Pipe For Water Su

16Mn , GB/T , ASTM SSAW Spiral Welded Steel Pipe , Wall Thi

API 5L X52 , X80 , X56 Spiral Welded Steel Pipe / Tubes , G

ASTM A500 , BS 1387 Spiral Steel Pipes Cold Drawn / Hot Rol