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Q550E steel plate
Q550E steel plate
Q550E steel plate
Q550E steel plate

Q550E steel plate

Q550E is mainly made mechanical device and other structural elements and so on drilling machine, power shovel, electricity drive wheel counter- mine trolley, mineral product automobile, excavator, car loader.
Chemical Composition
C% max Si% max Mn% max P% max S% max Cu% max Cr% max Ni% max Mo % max B % max V % max Nb% max Ti % max
0.20 0.80 1.7 0.020 0.010 0.5 1.5 2 0.70 0.005 0.12 0.06 0.05
Mechanical Property
Yield strength Mpa min Re yield strength Mpa min elongation% min Energy and temperature
0 -20 -40 -60
t≤50mm 50-100mm 100-150mm t≤50mm 50-100mm 100-150mm 16 J J J J
550 530 490 640-820 590-770     34  
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