Galvanized Steel Pipe

 Galvanized Steel Pipe

-widely used for green house,fence,etc.structure

-produced according international standard

-satisfaction in min order

detailed product description of Galvannized Steel Pipe

-constantantly welded by ERW

-water standard

-clean surface with 40micron zinc thickness hot dipped

-portable packing

SPEC:1/2" TO 10"

SIZE: DN15-DN250

GRADE:Q195,Q215,Q235,Q345,ST33

OUT  DIAMETER: 21.3MM-273.1MM

THICKNESS: 0.75-8MM

LENGTH:3M-12M

LENGTH:6METER OR AS YOUR REQUIREMENTS

ZINC THICKNESS:30-50MICRO

USAGE: WATER, OIL , GAS TRANSPORTATION, SCAFFOLDING ,FENCING ,MILL BUILDING ,

GREEN HOUSE, AND DRILLING  

STANDARD REFERENCE :EN39-2001

Tolerance:

1)OD tolerance: +/-0.5mm (Ovality 0.5mm)

2)Thinckness: +/-10%

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

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

Mechanical behavior-Q235:

tensile strength:σ/MPa 375-500

tensil strengtn(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

MATERIAL IN DIFFERENCE