Specifications: diameter: 320 to 127 mm thickness: 0.4 to 12.7 mm Length: 6 m above, and, in accordance with customer demand, supply and other specifications of steel pipe

GI Carbon Steel Tube,Carbon steel galvanized pipe and tube



GI Carbon Steel Pipe,carbon steel galvanized pipe


3).Thickness :SCH10~SCH160 / STD / SGP / XS / XXS/ DIN

GI Carbon Steel Pipe,carbon steel galvanized pipe

GI Carbon Steel Pipe,carbon steel galvanized pipe


Size 1/2inch~~ 48inch
1) O.D. (mm) :   19-325

 2) Nominal Thickness (mm) : 0.6-12

3) Coefficient (c) :    1.064 1.051 1.045 1.040 1.036 1.034 1.032 1.028

4) Standard:  ASTM A53 / DIN2444 / JIS G3442 /GB3091


5) Steel grade:  Q215A  Q215B  Q235A  Q235B ASTM A53B


6) Zinc coating: Pre-galvanized:  Z 60-120g/m2    Hot dip galvanized:  Z 260-520g/m2

7) Standard weight class: STD

8) Class A test pressure(Mpa): 4.83MPa-13.10Mpa

9) Test pressure value (Mpa):  D10.2-168.3mm to 3Mpa, D177.8-323.9mm to 5Mpa

10) Weight (Black Tube)  (kg/m): 1.27kg/m -16.07kg/m

11) Production steps:

Round preparation——Heating——Hot perforation——Cutting head——Pickling——Grinding
——Lubrication——Cold rolling——Degreasing——Solution heat treatment

12) Application:

Widely used in fire fighting, gas pipes, water transport and water supply projects; building, central air-conditioning pipe, fence, threading pipe, rolling doors, metal frame, support tube, furniture, sports equipment, fence, etc.

13) Export to: Europe, North America, the Middle East, Africa, Asia and other countries and regions, well received by consumers!

14) General Packaging: both ends marked blue bands,Hexangular packing in bundles.

The product process

Hot-dipped galvanised carbon steel tubes


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