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GB 713 Q345R Boiler steel plate
GB 713 Q345R Boiler steel plate
GB 713 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.
GB 713 Q345R Boiler steel plate Chemical Composition (%):
|
Grade |
Chemical Composition (%) |
||||
|
C |
Mn≥ |
Si |
P |
S |
|
|
GB713 Q345R |
0.20 |
1.20-1.60 |
0.55 |
0.025 |
0.015 |
GB 713 Q345R Boiler steel plate Mechanical Property:
|
Grade |
Mechanical Property |
|||
|
Tensile Strength(MPa) |
Yield Strength(MPa) |
% Elongation in 2 in.(50mm) min |
Impacting Test Temperature(°C) |
|
|
GB713 Q345R |
510-640 |
345 |
21 |
0 |
GB 713 Q345R Steel Application:
GB 713 Q345R Boiler steel plate is the most used materials to build specified elevated boilers and pressure vessels.