Product name

Black Annealed Welded Rectangular Pipe

Outside Diameter

10mm*20mm-300mm*500mm

Wall thickness

1mm-15mm

Tolerance

±5%

Zn coating mass

275-600g/m³

Material

Q195 → Grade B, SS330,SPHC, S185

Q215 → Grade C,CS Type B,SS330, SPHC

Q235 → Grade D,SS400,S235JR

Q345 → SS500,ST52

Section shape

Rectangular

Surface treatment

Galvanized

Technique

Hot Dipped Galvanized

Quality grade

First Grade

MOQ

25 Metric Ton

Delivery time

7-15days

Package

Tied with steel strips, then wrapped by plastic material, or according to customer's requirements.

Payment terms

T/T

Standards

GB/T3091-2008

BS1837-1985

ASTM A53-2007

Application

Steel structure, mechanical, manufacturing, construction, automobile manufacturing, ship building, electricity and so on.