carbon steel pipe

carbon steel pipe

1)OD21.3-273.1MM

2)WT 0.75MM-8MM 

3)standard Q195-Q235

3)Life more than 10years

4)Usage:furniture making ,tv stand,scaffolding,bedsteads,etc.

chemical composition-Q235:

Q235 made by grade A\B\C\D(GB700-88)

Q235A  C0.14~0.22% Mn0.30~0.65 Si≤0.30 S≤0.050 P≤0.045

Q235B  C0.12~0.20% Mn0.30~0.670 Si≤0.30 S≤0.045 P≤0.045

Q235C  C≤0.18% Mn0.35~0.80 Si≤0.30 S≤0.040 P≤0.040

Q235D  C≤0.17% Mn0.35~0.80 Si≤0.35 S≤0.040 P≤0.035

mechanical behavior-Q235:

tensile strength: σb/MPa 375-500

tensil stretch(δ5/%):

>26 (a<16mm),   >25   (a>16-40mm)

>24  (a>40-60mm),  >23   (a>60-100mm)

>22  (a>100-150mm),   >21   (a>150mm)

a=wt or diameter