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HomeOEMHot rolled coilhigh strength steel coilQ420 | Q420A |L04201 | Q420B | L04202 Hot Rolled High Strength Steel
According GB /T 1591-2008
Low alloy high strength structural steel (section 1)
Alloword Company can supply various grades of hot-rolled steel, all of which are produced by large steel organizations such as Baosteel Group and Ansteel Group within China. We can produce and deliver according to the standards required by customers based on their location or order specifications. China possesses world-leading steel production technology, and nowadays, steel supply is distributed globally. As a result, Alloword has the capability to cooperate with numerous multinational enterprises like BMW, General Motors, and other automotive manufacturers, implementing a global supply approach.
Steel grades included in the standard
Steel grade designationNameTHICKNESS
from _ to in mm		WIDTH
from _ to in mm
Q420 / Q420A alloy steel1,00-13,0050-1,630
L04201 / Q420B 1,00-13,0060-1,630
L042021,00-13,0080-1,630
NOTE: Not all thickness and width combinations are possible.
Chemical composition of symbol standards
Steel gradeC [%]Si [%]Mn [%]P [%]S [%]Cr [%]Ni [%]Cu [%]Mo[%]Ti[%]
Q420≤0.2≤0.551.0~1.7≤0.045≤0.045≤0.4≤0.7———
Q420A/L04201≤0.2≤0.5≤1.7≤0.035≤0.035≤0.3≤0.8≤0.3≤0.2—
Q420B/L04202≤0.2≤0.5≤1.7≤0.035≤0.035≤0.3≤0.8≤0.3≤0.2—
NOTE: Mass fraction in ladle analysis.
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