Characteristics and applications of QStE500TM steel

QStE500TM steel is a cold-formed hot-rolled pickling automotive structural steel.

QStE500TM steel features:

High strength: QStE500TM steel has high tensile strength and yield strength, which can meet the needs of various high-strength structural parts.

High toughness: QStE500TM steel has good low temperature toughness and notch sensitivity, can maintain good mechanical properties in low temperature environment, and effectively avoid the occurrence of brittle fracture.

Excellent machining performance: QStE500TM steel has good cutting performance, and can be processed in various cutting, welding and bending processes to facilitate the production of various complex structural parts.

Good corrosion resistance: QStE500TM steel has good corrosion resistance after special treatment and can be used in a variety of harsh environments.

Environmental protection: The production process is environmentally friendly and does not contain elements harmful to the human body and the environment.

Chemical composition of QStE500TM steel (melting analysis) :

C (carbon) : ≤0.12%

Si (Silicon) : ≤0.50%

Mn (Manganese) : ≤1.70%

P (P) : ≤0.03%

S (sulfur) : ≤0.025%

Ti (titanium) : ≤0.22%

Nb (Nb) : ≤0.09%

Alt (Aluminum) : ≥0.015%

Mechanical properties of QStE500TM steel:

Yield strength: ≥500MPa

Tensile strength: 550~700MPa

Elongation: ≥17%

QStE500TM steel applications:

Automotive field: QStE500TM steel is mainly used in the manufacture of automotive structural parts, reinforcement parts, brackets and other key components, which can improve the safety and durability of automobiles.

Construction, furniture, home appliances and other fields: Due to its high strength, corrosion resistance and excellent processing properties, QStE500TM steel is also widely used in these fields.