Grade SN490B
Corresponding Standard JIS G 3136-2012
Rolled steels for building structure
Brand/Supplier
-> BAOSTEEL
Classification Carbon Steel
SN490B Chemical Element Composition Content (%)
  Component C Si Mn P S
板厚6~50mm Minimum Value - - - - -
Maximum Value 0.18 0.55 1.65 0.03 0.015
  Component C Si Mn P S
板厚50~100mm Minimum Value - - - - -
Maximum Value 0.2 0.55 1.65 0.03 0.015
SN490B Mechanical Properties
thickness
t
mm
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
6≤t<12 490~610 ≥325
12≤t≤40 490~610 325~445
40<t≤100 490~610 295~415
6≤t≤16 No. 1A Sample
≥17
16<t≤50 No. 1A Sample
≥21
40<t≤100 No. 4 Sample
≥23
SN490B 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"!