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Hot rolled pickled steel strip for cold forming DD11, SPHC, BRC1,…

What is Hot rolled pickled steel strip for cold forming?

Hot rolled pickled steel strip for cold forming is a type of steel strip that undergoes a pickling process after being hot rolled. This process involves removing the oxide scale from the surface of the steel, resulting in a clean and smooth surface. The pickled steel strip is designed for further cold forming processes, such as stamping and bending, and is commonly used in automotive, appliance, and furniture manufacturing. The pickling process improves surface quality, formability, and dimensional tolerances of the finished product. It is made from low carbon or ultra-low carbon steels known for their ductility and formability, and the pickling process ensures high-quality finished products in cold forming operations.

Chemical composition

GradeChemical composition
CSiMnPSAlt
DD11
≤0.12≤0.05≤0.60≤0.035≤0.035≥0.010
DD12
≤0.10≤0.07≤0.45≤0.035≤0.035≥0.010
DD13
≤0.08≤0.07≤0.40≤0.030≤0.030≥0.010
DD14
≤0.08≤0.07≤0.35≤0.025≤0.025≥0.010
SPHC
≤0.15≤0.05≤0.60≤0.035≤0.035≥0.010
SPHD
≤0.10≤0.05≤0.50≤0.035≤0.035≥0.010
SPHE
≤0.10≤0.05≤0.50≤0.030≤0.035≥0.010
SPHF
≤0.08≤0.05≤0.50≤0.025≤0.025≥0.010
BRC1
≤0.08≤0.05≤0.40≤0.030≤0.025≥0.010
BRC2
≤0.05≤0.05≤0.40≤0.025≤0.020≥0.010
BRC3
≤0.02≤0.05≤0.30≤0.025≤0.020≥0.010

Mechanical properties

GradeMechanical properties
YS(MPa)TS(MPa)EL%
DD11
170-360≤440≥22
DD12
170-340≤420≥24
DD13
170-330≤400≥27
DD14
170-310≤380≥30
GradeMechanical properties
TS(MPa)EL%
BRC1
≥275≥42
BRC2
≥255≥44
BRC3
≥255≥46

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