ASTM A588GrK steel plate contains chemical elements Molybdenum and Columbium comparing with A588 Grade A,A588 Grade B and A588 Grade C steel plate. ASTM A588GrK steel plate is used to manufacture the plants of factory ,the common constructure and construction machinery and equipment; for example:Drilling machine ,Excavator,Tip lorry, Grab,Conweigh belt,Bulldozer ,all kinds of Chain Block, and other machiney equipments.
ASTM A588GrK steel plate Chemical composition(%)
Grade |
C |
Mn |
P |
S |
SI |
Ni |
Cr |
Mo |
Cu |
V |
Nb |
A588K |
≤0.17 |
0.5-1.2 |
≤0.04 |
≤0.05 |
0.25-0.5 |
≤0.4 |
0.4-0.7 |
0.1 |
0.3-0.5 |
0.005-0.05 |
~ |
ASTM A588GrK steel plate Mechanical properties
Grade |
Yield Strengthn Mpa |
Tensile Strength Mpa |
Elongation |
Elongation |
Thickness |
A588K |
≥345 |
≥485 |
18 |
21 |
less 100mm |
≥315 |
≥460 |
100-125mm |
|||
≥290 |
≥435 |
125-200 |
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