Product Name: | Welded Spiral steel pipe | |
Size: | OD | 219-3220mm |
Wall Thickness | 4-22mm SCH30,SCH40,STD,XS,SCH80,SCH160,XXS etc. | |
Length | 1-12m | |
Steel material | Q195 → Grade B, SS330,SPHC, S185 Q215 → Grade C,CS Type B,SS330, SPHC Q235 → Grade D,SS400,S235JR,S235JO,S235J2 | |
Standard | JIS A5525, DIN 10208, ASTM A252, GB9711.1-1997 | |
Usage | USed For Structure, Accessorize And Construction | |
Ends | Beveled | |
End protector | 1) Plastic pipe cap 2)Iron protector | |
Surface Treatment | 1) Bared 2) Black Painted (varnish coating) 3) With Oiled 4) 3 PE, FBE | |
Technique | Electronic Resistance Welded (ERW ) Electronic Fusion Welded (EFW) Double Submerged Arc Welded (DSAW) | |
Type | WELDED | |
Welded Line Type | Spiral | |
Section Shape | Round | |
Inspection | With Hydraulic Testing, Eddy Current , Infrared Test | |
Package | 1) Bundle, 2) In Bulk, 3) Bags, 4) Clients' Requirements | |
Delivery | 1) Container 2) Bulk carrier | |
| ||
| ||
|
| |
|
| |
Steel grade | chemical composition | Mechanical property | ||||||||||||
C | Mn | Si | S | P | Cr | Ni | Cu | V | Nb | Ti | Yield point | Tensile strength | Elongation | |
Q195 | 0.06~0.12 | 0.25~0.50 | ≤0.30 | ≤0.050 | ≤0.045 | ___ | ___ | ___ | ___ | ___ | ___ | 195 | 315~430 | 33 |
Q235 | 0.12~0.20 | 0.30~0.70 | ≤0.30 | ≤0.045 | ≤0.045 | ___ | ___ | ___ | ___ | ___ | ___ | 235 | 375~500 | 26 |
Q345 | ≤0.20 | 1.00~1.60 | ≤0.55 | ≤0.40 | ≤0.040 | ___ | ___ | ___ | 0.02~0.15 | 0.015~0.060 | 0.02~0.20 | 345 | 470~630 | 21 |
Details: