Grade 400W
Corresponding Standard CSA G40.21-2013
Structural Quality Steel
Classification Carbon Steel
400W Chemical Element Composition Content (%)
  Component C Si ⓐⓑ Mn P S
Minimum Value - - 0.5 - -
Maximum Value 0.23 0.4 1.5 0.04 0.05
  Component C Si Mn * P S
Minimum Value - - - - -
Maximum Value 0.2 0.4 1.65 0.04 0.05
400W Mechanical Properties
thickness
t
mm
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
t≤65① 520~690 ≥400 L0=200mm:
long.: ≥16
tr.: ≥13
L0=50mm:
long.: ≥18
tr.: ≥15
Rolled shapes and sheet piling;common shape size group 1 520~690 ≥400 L0=200mm: ≥16②
L0=50mm: ≥18
Hollow section 520~690 ≥400 L0=50mm: ≥20
400W Corresponding Standards(Same grade name, different standards)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!