For the galvanized pipe, now we can supply for both hot dipped steel pipe/tube and pre-galvanized pipe/tube, For the exact sizes and grades as below:

Pre-Galvanized Steel Pipe/Tube
DIN2394/2395, ASTM A500 Gr. A/B, EN39, EN10219, JISG3466

Regular Pipe;
A. Round Pipe
12.7mmx0.5-1.2mm-----152.2mmx2.5-4.0mm

B. Square Pipe
12.7x12.7mmx0.6-1.5mm----125x125mmx2.5-4.5mm

C. Rectangular Pipe
10x20mmx0.6-1.5mm----75x125mmx2.5-4.0mm

Special Pipe
A. Elliptic Pipe
T16x32mmx1.2-2.5mm T20x40mmx1.2-2.5mm
T25x50mmx1.2-2.5mm T38.8x89mmx1.2-2.5mm
T28x45mmx1.2-2.5mm T40x80mmx1.5-2.5mm
T83x140mmx1.8-4.0mm

B. Flat Elliptic Pipe
PT9.5X17mmx0.8-1.2----PT60x115mmx1.5-3.0

C. Semi Elliptic Pipe
PTB20x40mmx1.0-2.5mm PTB32X38mmx1.0-2.5mm
PTB35X35mmx1.0-2.5mm PTB35X41mmx1.0-2.5mm
PTB45x45mmx1.0-2.5mm PTB45X51mmx1.0-2.5mm
PTB55X62mmx1.2-3.0mm

D. Drum Pipe
G35x75mmx1.5-3.0mm G45x90mmx1.5--3.0mm
G48x75.8mmx1.5-3.0mm G50x110mmx1.5-3.0mm
G58x100.9mmx1.5-3.0mm G68x140.8mmx2.5-5.0mm

E. BZ Pipe
B22X30mmx1.0-2.5mm B38.35x120mmx1.0-3.0mm

F. Dd PIPE
Dd38.1x36.4mmx1.2-2.0mm Dd50.1x47.9mmx1.2-2.0mm

G. Trapeziform Pipe
TF27.5x29mmx1.0-2.5mm

H. Drip Pipe
SD75x99mmx1.5-3.5mm SD57.5x70.5mmx1.5-3.5mm

Hot Dipped Galvanzied Steel Pipe/Tube:
Normal sizes
Length within 8m. With thickness from 2.0mm to 5mm
Zinc coating from 300-600g/mm2

ASTM A53 BS1387 DIN2440 JISG3444etc.