Grade S300GD+AZ
Other Names
Corresponding Standard Q/BQB 425-2019
Hot-dip aluminum-zinc/ aluminum-zinc-magnesium alloy coated steel sheet and strip
Brand/Supplier
-> BAOSTEEL
Classification Alloy Steel
S300GD+AZ Chemical Element Composition Content (%)
Component C Si Mn P S
Minimum Value - - - - -
Maximum Value 0.2 0.6 1.7 0.1 0.045
S300GD+AZ Mechanical Properties
condition Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Hot-dip, hot-dip flat steel plates and strips Annealing ≥380 ≥300 ≥18
Approximate Comparison Table
China Japan Baosteel Australia
GB JIS Baosteel Grade Australian Standard AS
S300GD+AZ SGLC400 S300GD+AZ
S300GD+AM
G300+AZ
G300+AM
S300GD+AZ Corresponding Standards(Same grade name, different standards)

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