P690QH,P 690 QH, EN10028-6 P690QH,P690QH STEEL PLATE

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P690QH,P 690 QH, EN10028-6 P690QH,P690QH STEEL PLATE
 
Unitedsteel Mill produced high quality super thickness steel plate.EN10028-6 P690QH standard specification for Weldable fine grain steels, quenched and tempered .
P690QH Grade has a good weldable and used in high temperature equipment and pressure vessel.
P…Q means the -20 degree and the impact energy is 27J
P…QH means the -20 temperature quality and the impact energy is 27J
P…QL1 means the -40 temperature quality and the impact energy is 27J
P…QL2 means the -60 temperature quality and the impact energy is 27J
 
P690QH Chemical Composition
Grade The Element Max (%)
C Si Mn P S N B
P690QH 0.20 0.80 1.70 0.025 0.015 0.015 0.005
Mo Cu Nb Ni Ti V Cr
0.70 0.3 0.06 2.50 0.05 0.12 1.50
 
Grade  
P690QH Mechanical Property
Thickness Yield Tensile Elongation
P690QH mm Min Mpa Mpa Min  %
6-50 690 770-940 14%
50-100 670 770-940 14%
100-150 630 720-900 14%
 
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