材质
S235 Q355B 20# 45# etc.
应用
流体管, 锅炉管, 钻杆, 液压管, 煤气管, 输油管, 化肥专用管, 结构管, Other
Grade
Q355B,Q345B,40Cr,20#steel,40# steel, etc.
Material
Q355B,Q345B,40Cr,20#steel,40# steel, etc.
Surface
black,bright, paint, etc.
Shape
Round Square. Rectangular
Technique
Seamless Technology
Secondary Or Not
First-class Meterial
End protector
Tube Cap/thread/screwd,etc.
Quality
High Quality. Accept
Pipe ends
Plain\Beveled\Thread