Product Name

GB/T3091 Q235 hot dip galvanized round erw welded Steel tube for oil and gas

Size

DN

1/2-14"  

Wall Thickness

0.6-12mm.

SCH40,STD,XS,SCH80,SCH160,XXS etc.

ZINC COATED

1)Pre-galvanized:50-120g/m2

2)Hot dip galvanized: 200-400g/m2

Steel material

Q195 → Grade B, SS330,SPHC, S185

Q215 → Grade C,CS Type B,SS330, SPHC

Q235 → Grade D,SS400,S235JR,S235JO,S235J2

Q345 → SS500,ST52

Standard

ASTM A500 A53,BS1387,BSEN10219,BSEN10210,GB/T3091,GB/T6728,ISO65-1981

Ends

1) Plain 

2) Beveled

3) Thread with Coupling or cap

Surface Treatment

1) Bared

2) Black Painted or vanish painting

3) Galvanized

4) With Oiled

5) 3 PE, FBE, corrosion resistant coating

Section shape

Round/Square/Rectangular

Package

1.Big OD:in bulk

2.Small OD:packed by steel strips

3.woven cloth with 7 slats,

4.plastic bags

5.as per customer's option

Application

1)low pressure liquid delivery such as water,gas and oil

2)construction

Loading port

Shanghai, China

Delivery time

7-30 days or upon negotiation