ASTM A387 Standard Specification for Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum".
ASTM A387Gr.22 steel specification covers alloy steel plates intended primarily for welded boilers and pressure vessels designed for elevated temperature use.
ASTM A387Gr.22 steel heat treatment:
Annealing, normalizing plus tempering,or when the buyers agreed,Using blast or liquid quenching method accelerated cooling from the austenitizing temperature, followed by tempering.
The chromium and molybdenum contents of A387 Grade 22 steel are outlined in the following table.
Material | Chromium content % | Molybdenum content % |
A387 grade 22 | 2.25% | 1.00% |
A387 grade 22 steel equivalent material: BS 622-515B,EN 10 CRMO 910, DIN 10 CRMO 910
Katalor enterprises is the A387 grade 22 steel manufacturer,supplier,if you want know more about A387 grade 22 steel specification,contact us!