ASME SA299 Gr.B is a kind of carbon steel material, it's product type is steel plates. Based on SA299 higher C, Mn, and Si composition, ASME SA299 Gr.B widely used to fabric pressure vessel.There are two steel grades in the standard ASME SA299 , and they are SA299 Gr.A, SA299 Gr.B .
Steel Standard:ASME SA299/SA299M
Rolling Type:Boiler steel plate,Pressure vessel steel plate
Thickness:5mm-300mm
Width:1500mm-4200mm
Length:3000mm-18000mm
Heat Treatment:AR/Stress Relieving/Normalized
Mechnical property for SA299 Grade B steel plate:
| Thickness (mm) | Yield strength (≥Mpa) | Tensile strength (Mpa) | Elongation in ≥,% | |
| T≤25 | 325 | 550-690 | 200mm | 50mm |
| 25<T | 310 | 16 | 19 | |
Chemical composition for SA299 Grade B steel plate (Product Analysis Max%)
| Main chemical elements composition of SA299 Grade B | |||||
| Thickness(mm) | C | Si | Mn | P | S |
| T≤25 | 0.28 | 0.13-0.45 | 0.84-1.52 | 0.035 | 0.035 |
| 25<T | 0.30 | 0.84-1.62 | |||
Application for SA299 Grade B steel plate
SA299 Gr.B pressure vessel steel is widely used in petroleum, chemical industry, power station, boiler, etc, used to make the reactor, heat exchanger, separator, spherical tank, liquefied gas, nuclear reactor pressure vessel, boiler steam drum steam, liquefied petroleum, hydropower station, high pressure pipe.
