Grade AH550
Corresponding Standard GB 712-2011
Ship and Ocean Engineering Structural Steel
Classification Carbon Steel
AH550 Chemical Element Composition Content (%)
Component C Si Mn P S N
Minimum Value - - - - - -
Maximum Value 0.21 0.55 1.7 0.03 0.03 0.02
AH550 Mechanical Properties
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Impact Energy Absorption
KV2
J
670~830 ReH: ≥550 ≥16 0°C
long.: ≥55
tr.: ≥37
• t-thickness;long.-longitudual,tr.-transverse;ReH-upper yield strength
• When the yield is not obvious, Rp0.2 can be measured instead of the upper yield strength.

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