Products Description
S550Q low alloy steel material has high strength, good toughness, fatigue resistance, impact resistance, corrosion resistance, and excellent welding and easy processing properties. The chemical composition of S550Q high strength low alloy steel is precisely controlled to ensure excellent mechanical properties.

S550Q low alloy steel plate is widely used in construction, bridges, vehicle manufacturing and machinery manufacturing, and can be used in the manufacture of load-bearing structures and bridge decks of workshops and bridges.
Products Specification
Production Size: Thickness: 4mm- 400mm;
Width: 1000mm- 4000mm;
Length: 4000mm- 12000mm.
Production ability:10000 Tons Per Month.
Production Way: Hot Rolled, Quenched( Q).
Chemical Composition( %)
|
Grade/ Material |
Element |
Composition( Max-A, Min-I) |
|
DIN EN 10025-6 S550Q |
C |
A:0.20 |
|
Mn |
A:1.70 |
|
|
Si |
A:0.80 |
|
|
P |
A:0.025 |
|
|
S |
A:0.015 |
Mechanical Properties( Mpa)
|
Grade/ Material |
Tensile Test |
MPa |
|
DIN EN 10025-6 S550Q |
Tensile Strength |
640-820 |
|
Yield Strength |
I:550 |
|
|
Elongation |
I:16% |
|
|
Impact Test( if any) |
-20℃ |
Products Application
Construction field: used to manufacture high-rise buildings, bridges, steel structures, etc., with the advantages of earthquake resistance and wind resistance.
Ship field: used to manufacture ship hulls, ship plates, etc., with good seawater corrosion resistance and impact resistance.
Automotive field: used to manufacture automobile bodies, frames, etc., to improve vehicle safety and fuel efficiency.
Petrochemical field: used to manufacture storage tanks, pipelines and other equipment, which can withstand extreme conditions such as high temperature and high pressure.
Metallurgical field: used to manufacture mining equipment, smelting equipment, etc., with high wear resistance and corrosion resistance.


