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P690QH steel plate

P690QH implementation of the standard EN10028

P690QH implementation of the standard EN10028, it belongs to flat steel products for pressure, normalized welding of fine grain steel.

Standard : EN10028

Dimension range :1.5 mm -300mm x 1000mm-4000mm x 1000mm-18000mm

P690QH steel plate/sheet Mechanical Properties :


Mechanical Properties
Grade Thickness Yield
Strength
Tensile Strength Elongation Charpy V Notch Impact Test
Degree Min Value
P690QH mm Min Mpa Mpa Min % J
5≤t≤16 690 570-720 22 -20 47
70﹤t≤100 610 540-710 16 47
100﹤t≤150 730 520-690 16 47
Note: Impact energy for impact test is on longitudinal

EN10028 P690QH Boiler steel plate Chemical Composition :


Chemical Composition
Grade The Element Max (%)
C Si Mn P S Al min N
P690QH 0.18 0.50 1.10-1.70 0.025 0.025 0.020 -
Cr Cu Mo Nb Ni Ti V
0.30 - 0.08 - 0.50 - -


Delivery Status : Hot rolling, controlled rolling or normalizing / AR, CR or N.

EN10028 P690QH pressure vessel steel plate application:
P690QH steel plate used in oil, chemical, power plants, boilers and other industries, for the production reactor, heat exchanger, separator, spherical tank, oil tank, , High-pressure water pipe hydropower station, turbine volute and other equipment and components.

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