Standard 

ASTMA53,BS1387-1985,GB/T3091-2001,EN39,BS1139

Materials

Q195,Q215,Q235,Q345

Wall 

Thickness

0.8mm-18mm

Out 

Diameter

1/2 inch-8 inch (OD 21.3mm-OD219mm)

Length

1m-12m ,by customer's requiremnts

Ends 

Plain, Beveled, Thread With Couplings Or Sockets;Plastic Caps

And Steel Rings Can Be Provided If Possible

Packing 

1) Big OD:in bulk

2)Small OD:packed by steel strips

3)woven cloth with 7 slats

4)according to the requirements of customers

Usage

It is widely used in the construction,pipe of industrial,

plastic-steel doors and windows,fence equipment,

telecommunication tubes as well as greenhouse tubes for

different planting and breeding business.  

Material

               Chemical Compositions%

               Mechanical Properties

C%

Mn%

S%

P%

Si%

YieldStrength

(Mpa)

Tensile Strength

(Mpa)

Elongation

(%)

Q195

0.06-0.12

0.25-0.50

<0.050

<0.045

<0.30

>195

315-430

32-33

Q215

0.09-0.15

0.25-0.55

<0.05

<0.045

<0.30

>215

335-450

26-31

Q235

0.12-0.20

0.30-0.70

<0.045

<0.045

<0.30

>235

375-500

24-26

Q345

<0.20

1.0-1.6

<0.040

<0.040

<0.55

>345

470-630

21-22