S690QL
High Strength Structural Steel
S690QL is a quenched and tempered high yield strength structural steel designed for demanding structural applications.
With a minimum yield strength of 690 MPa, it allows significant weight reduction compared to conventional structural steels while maintaining excellent mechanical performance.
S690QL is widely used for the manufacturing of chassis, trailers, handling equipment, agricultural machinery and welded structures subjected to high stresses.
Technical & General Information
Mechanical Properties :
Thickness: 4 – 50 mm
Re: 690 MPa
Rm: 770 – 940 MPa
Elongation A: 14 %
Thickness: > 50 – 100 mm
Re: 650 MPa
Rm: 760 – 930 MPa
Elongation A: 14 %
Thickness: > 100 – 120 mm
Re: 630 MPa
Rm: 710 – 900 MPa
Elongation A: 14 %
Impact Toughness (EN10025-6)
Temperature: -40°C
Longitudinal direction: 40 J
Transverse direction: 30 J
Main Applications of S690QL
S690QL offers good processing capabilities and is well suited for the fabrication of welded structures subjected to high mechanical stresses.
Its high mechanical strength allows thickness and weight reduction of structures while maintaining excellent rigidity.
It is particularly used for:
chassis and mechanical structures
trailers and transport equipment
agricultural machinery
lifting equipment
high-performance welded structures