A533 Gr D is a kind of Mn-Mo and Mn-Mo-Ni alloy steel plates material used to fabric high temperature pressure vessels. Just because A533 Gr D with the special Manganese , Molybdenum , and Manganese, Molybdenum, Nickel chemical composition, A533 Gr D has the right property to be used in high temperature pressure vessel.
Key Characteristics
Material Type: Low-alloy steel.
Alloying Elements: Contains nickel, manganese, and molybdenum, which contribute to its high strength and toughness.
Processing: Hot-rolled and often further heat-treated to improve properties.
Properties: Exhibits excellent high-temperature strength, good toughness, and good weldability.
ASTM A533 Gr D steel chemical composition :
|
Grade |
C≤ |
Mn |
P ≤ |
S ≤ |
Si |
Ni |
Mo |
||||
|
Heat |
Product |
Heat |
Product |
Heat |
Product |
Heat |
Product |
||||
|
A533 Gr D |
0.25 |
1.15~1.50 |
1.07~1.62 |
0.035 |
0.035 |
0.15~0.40 |
0.13~0.45 |
0.20~0.40 |
0.17~0.43 |
0.45~0.60 |
0.41~0.64 |
A533 Gr D Mechanical properties:
|
Grade D |
Yield strength |
tensile strength |
temperature |
Elongation |
|
Quenching and tempering |
690～825 |
≥585 |
-196℃ |
≥0.38 |
|
Quenching and tempering |
690～825 |
≥585 |
-170℃ |
≥0.38 |
ASTM A533 Gr D steel plate Applications
A533 Grade D steel is well-suited for applications requiring resistance to high pressures and temperatures, including:
Pressure vessels
Boilers
Reactors
Heavy-duty equipment in the oil, chemical, and power industries
