Outer Diameter

20-168.3 mm ---- pre-galvanized round pipe;

20*20-100*100mm; 20*30-50*100mm ---- pre-galvanized square and rectangular pipe;

25*25-300*300mm; 20*30-250*400mm ---- black hot rolled square and rectangular pipe.

Wall Thickness

0.8-3.0mm; 1.2-13mm          tolerance: +/-10%.

Length

1-20 m/pc or as you required.

Zinc coated

Pre-galvanized steel pipe ----60-120 g/m2;

Hot-dipped galvanized steel pipe ----210-400 g/m2 .

Material

Q195 -- Grade B, SS330,SPHC, S185

Q215 -- Grade C,CS Type B,SS330, SPHC

Q235 -- Grade D,SS400,S235JR,S235JO,S235J2

Q345 -- SS500,ST52,S355J0

Technique

ERW

Package

oiled, and wrapped in PVC.

Payment terms

T/T, L/C

Trade terms

FOB, CIF, CFR

Delivery

finished the goods within 40 days and ship it within 60days when seller received the L/C acc.to shipping schedule.