Q345R/SA 515 GR 60 Pressure Vessel Steel Plate The specification we supplied of the pressure vessel plate, as follows: -Material: GB 6654: 20R steel, 16MnR(Q345R) JIS G3115: SPV315, SPV355, SPV490 JIS G3127: SL2N, SL3N, SL5N, SL9N ASTM: A203, A662, A517, A537, A533 GB 3531: 16MnDR, 09MnNiDR Size: 6mm-100mm(150mm) * 1150mm-3700mm * 3000mm-18000mm Main Applications: They are widely applied to petroleume, chemistry, power station and boiler industries, and also can make reactor, heat exchanger, separator, spherical tank, the tank of oil gas, nuclear reactor pressure shell, drum boiler, liquified petroleume gas cylinder ( LP cylinder), high pressure water pipes of hydropower station, water turbin shell and other equipments or accessories.
What is the ASTM equivalent to Q345R?
Q345R astm equivalent materail is A516 Grade 70 steel, and it is Q345R equivalent ASTM material. Q345R and A516 Grade 70 plates are widely applied to petroleume, chemistry, power station and boiler industries, and also can make reactor, heat exchanger, separator, spherical tank, the tank of oil gas, nuclear reactor pressure shell, drum boiler, liquified petroleume gas cylinder ( LP cylinder), high pressure water pipes of hydropower station, water turbin shell and other equipments or accessories.
Below are the brief description of Q345R steel Vs A516 Grade 70 chemical requirement and steel tensile requirements:
chemical requirement and
Q345R steel and A516 Grade 70 steel chemical composition:
| Grade | C | Si | Mn | P | S | Alt |
| A516 Grade 70 | ≦0.27 | 0.13-0.45 | 0.79-1.60 | ≦0.035 | ≦0.035 | |
| Q345R | ≦0.20 | ≦0.55 | 1.20-1.60 | ≦0.025 | ≦0.015 | ≧0.020 |
| Grade | Yield Strength | Tensile Strength | Elongation |
| (Mpa) | (MPa) | (%) | |
| A516 Grade 70 | ≧260 | 485-620 | ≧17 |
| Q345R | ≧325 | 500-630 | ≧21 |
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