1)high quality 2)best price 3)5000000T production per month 4)prompt delivery date 5)anysize canbe available of steel plate
2) Boiler and Pressure vessel steel plate
Item name | Brand | Brand implication | Carried standard | Application |
Boiler steel plate | Q245R | Q—stands for yield point 245-stands for value of yield pointQ | GB713-2008 | Widely used in petroleum industry, chemical industry, power station, boiler with making equipments or hardware like reactor, heat exchanger, seperator, sphere, liquid gas storage tank, nuclear-power reacto, pressure vessel, boiler drum, liquified petroleum gas pot, volute and so on. |
Pressure vessel steel plate | Q345R | Q—stands for yield point 345-stands for value of yield point | GB713-2008 | Widely used in petrochemical industry, energy industry, scientic research and war industry. |
Chemical composition
Brand | C≤ | Mn≤ | Si≤ | P≤ | S≤ | Alt≥ |
Q245R | 0.20 | 0.5-1 | 0.3-5 | 0.025 | 0.015 | 0.020 |
Q345R | 0.20 | 1.2-1.6 | 0.5-5 | 0.025 | 0.015 | 0.020 |
Mechanical property
Brand | Yield point σs,MPa | Tensile strength σb MPa | Elongation δ5 % | Longitudinal impact strength,AkV,J(°C) | 180° Bending test d=Diameter of apex a=Specimen thickness | |||||||
≤16 | >16-36 | >36-60 | >60-100 | 20 | 0 | -20 | -40 | |||||
Not less than | Not less than | ≥35 | ||||||||||
Q245R | 245 | 235 | 225 | 205 | 390-520 | 25 | 31 | 1.5a | 2a | |||
Q345R | 345 | 325 | 315 | 305 | 490-640 | 21 | 34 | 2a | 3a | |||
steel plate for shipping
