More Technical Details:

Straight line welded perforated tubes are mostly small diameter tubes while spiral wound welded tubes are mainly big diameter pipes.

This is a product with high work efficiency widely used in general industrial filter supports.

Surface treatment: Hot Dipped galvanizing

Straight line welded Tube diameter: custom made

Technical Information of Straight Seam Welded Tubes:

Tube Outer Diameter:10~273mm

Tube Wall Thickness: 1.0 ~15mm

Zinc coating:
Hot-dip galvanized steel pipe: 200 ~500g/sq.m;
Pre-galvanized steel pipe: 60 ~150g/sq.m

Standard:
JIS G3444-2006,GB 8163-1999,DIN1626,DIN2444,BS 1387,GB/T3091,ASTM A53-2007,ASTM A213-2001,GB/T8162-1999

Material:
10#,20#,45#,A53(A,B),A106(B,C),St37,St52,16Mn,Q235,Q345.

Surface:
Bared,Galvanized,Oiled,Color Paint,3PE,or Other Anticorrosive Treatment.

Pipe Length: Max.12maccording to customers' requirement.