S420G1+QT steel is mainly used for weldable structural steels to be used in the fabrication of fixed offshore structures in the form of plates up to and including 150 mm thick. It also specifies sections up to 63 mm thick except for sections delivered in the as-rolled condition which are permitted up to 25 mm thick only.
Grade |
Chemical Composition |
|||||||||||||
S420G1+QT |
The Element Max (%) |
|||||||||||||
C |
Si |
Mn |
P |
S |
Nb |
V |
Ti |
Al |
Cr |
Ni |
Mo |
Cu |
N |
|
0.14 |
0.15 |
1.65 |
0.020 |
0.010 |
0.040 |
0.060 |
0.025 |
0.015 |
0.25 |
0.70 |
0.25 |
0.30 |
0.010 |
Grade |
Mechanical Property |
|||||||
S420G1+QT |
Yield Strength |
Tensile Strength |
Elongation |
|||||
|
||||||||
≤ |
> |
≤16 |
> |
> |
> |
> |
19 |
|
500-660 |
480-640 |
420 |
400 |
390 |
380 |
380 |
Katalor enterprises have advanced steel processing equipment, include automatic arc-submerging welder, Dc manual arc welding machine, radial drill, CNC floor-type sharp boring machine, CNC gantry milling, cross submerged arc welding machine, H-beam assembling machine, H-beam welding production line, Box column (beam) welding production line. We can supply high quality S420G1+QT plates for you, please send us inquiry If you need.