GB713 Q345R steel grade,Q345R Pressure vessel steel plate
Steel Standard:GB 713
Rolling Type:Boiler steel plate,Pressure vessel steel plate
Heat Treatment:As Rolled/Controlled Rolling/Normalised
Boiler steel plate Q345R is the most used materials to build specified elevated boilers and pressure vessels.Q345R owned the minimum yield strength at 345 Mpa for thin thickness and tensile strength above 510 Mpa.The best equivalent steel grade with Q345R is A516 Grade 70 in specification ASTM A516/A516M.
Technical Requirements & Additional Services:
♦ High tension test
♦ Cutting and welding as per end user's demands
♦ Simulated post-welded heat treatment (PWHT)
♦ Rolling under standard NACE MR-0175 (HIC+SSCC)
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Ultrasonic test under GB/T2970,JB4730,EN 10160,ASTM A435,A577,A578
Mechnical property for Q345R Pressure vessel steel:

Thickness (mm)
Q345R > 3 ≤ 16 > 16 ≤ 36 > 36 ≤ 60 >60 ≤ 100 >100 ≤ 150 >150
Yield strength (≥Mpa) 345 325 315 305 285 265
Tensile strength (Mpa) 510-640 500-630 490-620 480-610 470-600

Chemical composition for Q345R Pressure vessel steel (Heat Analysis Max%):

Main chemical elements composition of Q345R
C Si Mn P S Alt (min.)
0.20 0.55 1.20-1.60 0.025 0.015 0.020

Q345R Boiler & pressure vessel steel plates,also named as pressure vessel steel plates which including carbon steel and alloy steel for High or intermediate and low temperature services.
Our boiler steel plates mainly used in boiler steel products and engineering,oil and gas companies,chemical industry,power plants for making the Reactor,Heat Exchange,Separator,Spherical Tanks,Tanks of oil gas,Nuclear reactor pressure shell ,High-pressure water pipe,Turbin shell and other equipment.

More about GB713 Q345R steel grade,Q345R Pressure vessel steel plate,contact [email protected]