Size

OD(Outer Diameter)

15mm-168mm)

WT(Wall Thickness)

0.5-2.75mm.

SCH10s,SCH40s,STD,XS,SCH80,

SCH160,XXS etc.

ZINC COATED

1)Pre-galvanized steel pipe:Z40-80g/m2

2)Hot dip galvanized steel pipe:Z200-520g/m2

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

BS1387,EN10297,BS6323,BSEN10217,GB/T13793-1992,

GB/T14291-2006,GB/T3091-1993,GB/T3092-1993,GB3640-88,

ASTM A53/A36,EN39/EN10219,API 5L,GB/T9711.1-99 etc

Section shape

Round/Square/Rectangular

Type

Welded Pipe

Technique

Electronic Resistance Welded (ERW )

Electronic Fusion Welded (EFW)

Double Submerged Arc Welded (DSAW)

Welded Line Type

Longitudinal

Ends

1)Plain2)Beveled3)Thread with Coupling or cap

End protector

1) Plastic pipe cap2) Iron protector

Surface Treatment

1) Bared  

2) Black Painted (varnish coating)

3) Galvanized

4) With Oiled

5) 3 PE, FBE, corrosion resistant coating

Inspection

With Hydraulic Testing, Eddy Current , Infrared Test

Class A test pressure

4.83MPa-13.10Mpa