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A572Gr42,50 steel

A572Gr42/50 steel plate, ASTM A572Gr42/50 steel plate, under ASTM standard, we can regard A572Gr42/50 steel plate as Carbon and low alloy steel
A572Gr42/50 steel plate
is one mainly of Carbon and low alloy steel, ASTM A572Gr42,50,55,60,65 steel is high strength low alloy steel plate sheet which is widely used  in plants building, general mansions and all kinds of construction machinery, such as mines and various types of drilling rig used in construction, power shovel, electric wheel dump trucks, mining vehicles,excavators, loaders, bulldozers , various types of cranes, hydraulic support, coal mining machinery and equipments and other structures
 

A572GR50
ASTM
Comparison of steel grades
EN10025:1990 FE 510 B
DIN17100 ST52-3
EN 10025-2 S355JR
JIS SS490/SM490A
NFA 35-501 E36-2
BS1449 50B
UNI7070 FE 510 B

Chemical analysis -% by mass*

Chemical elements C≤ 16mm
max
C>16mm
max
Si
max
Mn
max
P
max.
S
max.
%,by mass 0.24 0.24 0.55 1.60 0.045 0.045

Mechanical properties

thickness Yield StrengthReH [N/mm2]
transv.min.
Tensile StrengthRm [N/mm2]transv. Fracture Elongation[%] transv. min. Notch ImpactEnergy1) Ch Vcomplete samplelongitud. min [J]
t≤ 16mm
t >16mm
355
345
    20 degree
27J

   t < 3mm
t ≥ 3mm

  510-680
490-630
 

Up to 1.5mm
1.51-2.00mm
2.01-2.50mm
2.51-2.99mm
≥ 3mm

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