ASTM A387 Grade 22 Class1 contains Cr and Mo element, which has sufficient high temperature endurance strength and enduring plasticity, good microstructure stability at high temperature, good high temperature oxidation resistance (heat resistance), good cold and hot processing (mainly refers to the cold bending deformation and weldability) and so on.
ASTM A387 Grade 22 Class1 chemical properties:
|
Grade |
C |
Mn |
Si |
P max |
S |
Cr |
Mo |
|
A387 Grade 22 Class1 |
0.04-0.15 |
0.25-0.66 |
0.50 |
0.035 |
0.035 |
1.88-2.62 |
0.85-1.15 |
ASTM A387 Grade 22 Class1 mechanical properies:
|
Grade |
Tensile Strength(MPa) |
Yield Strength(MPa) min |
% Elongation in 2 in.(50mm) min |
Impacting Test Temperature(°C) |
|
A387 Grade 22 Class1 |
415-585 |
205 |
18 |
-20,40,-60 |
ASTM A387 Grade 22 Class1 steel plate is widely used in petroleum, chemical industry, power station, boiler and other industries, for the production of reactors, heat exchangers, separators, spherical tanks, oil and gas tanks, liquefied gas tanks, nuclear reactor pressure shell, boiler drum, liquefied petroleum gas cylinders, high pressure water pipe used in hydropower station, turbine shell and other equipment and components.
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