A387 Gr12 CL2 steel is a boiler and pressure vessel steel plate. A387 Gr12 CL2 has the function of avoiding hydrogen embrittlement, hydrogen corrosion, hydrogen peeling, and sulfide corrosion in a medium temperature (350 ~ 480) hydrogen environment, and has excellent low temper brittleness.
A387 Gr12 CL2 steel chemical composition(%)
| C |
Mn |
P |
S |
Si |
Cr |
Mo |
| 0.05-0.17 |
0.40-0.65 |
≤0.025 |
≤0.035 |
0.15-0.40 |
0.80-1.15 |
0.45-0.60 |
Application range
A387 Gr12 CL2 steel is equal to Chinese steel grade 15CrMoR. This kind of pressure vessel plate is used in petroleum, chemical, power station, boiler and other industries to manufacture reactors, heat exchangers, separators, spherical tanks, oil and gas tanks, liquefied gas tanks, nuclear reactor pressure shells, boiler drums, and liquefaction Equipment and components such as petroleum gas cylinders, high-pressure water pipes of hydropower stations, and turbine volutes.
