Cold Rolled Black Annealed Square Rectangle Steel Tubing

Standard

BS, GB/T 6728 EN10210 EN10219 ASTM A500

Surface

Annealed, bright and all black.

Packing

Bundle, or with all kinds of colors PVC or as your requirements

Surface Treatment

1. Galvanized
2. PVC,Black and color painting
3. Transparent oil,anti-rust oil
4. According to clients requirement

Product Application

1. Structure pipe
2. Fence,Steel furniture,Gym equipment
3. Widely used in construction.

Certificates

API ISO9001-2008,SGS.BV 

Delivery Time

Usually within 10-45 days after receipt of advance payment

Elements

Chemical Composition %

Mechanical Property

Material

C%

Mn%

S%

P%

Si%

Yield Point (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