ASTM A387 Grade 22 Class2 steel plate is used for the manufacture of superheater, main steam pipe and boiler chamber heating surface. ASTM A387 Grade 22 Class2 steel plate has good welding performance, high temperature strength and alkali corrosion resistance. ASTM A387 Grade 22 Class2 steel plate has strict requirements for surface quality and internal defects. And its room temperature and high temperature mechanical properties are also very good.
ASTM A387 Grade 22 Class2 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 Class2 mechanical properies:
|
Grade |
Tensile Strength(MPa) |
Yield Strength(MPa) min |
% Elongation in 2 in.(50mm) min |
Impacting Test Temperature(°C) |
|
A387 Grade 22 Class2 |
515-690 |
310 |
18 |
-20,40,-60 |
ASTM A387 Grade 22 Class2 steel plate has great hardening performance, good processing performance in high temperature, good weldability, good damping properties. So, ASTM A387 Grade 22 Class2 steel plate is often used in the manufacture of high temperature and pressure resistant valves and pressure vessels.
Please contact Shanghai Katalor to purchase ASTM A387 Grade 22 Class2 steel plate directly.
