ASTM A387 Grade 5 Class 1 bolier steel plate A387 Gr 5 Cl 1 pressure vessel steel sheet is a chromium molybdenum alloy steel plate intended primarily for welded boiler and pressure vessels designed of elevated temperature service.
The addition of molybdenum content and chromium offer ASTM A387 Grade 5 Class 1 bolier steel plate A387 Gr 5 Cl 1 pressure vessel steel sheet high strength and excellent corrosion resistance power respectively.
Chemical composition of ASTM A387 Grade 5 Class 1 bolier steel plate A387 Gr 5 Cl 1 pressure vessel steel sheet:
C |
Mn |
P |
S |
Si |
Cr |
Mo |
Others |
≤0.15 |
0.25-0.66 |
0.025 |
0.025 |
≤0.55 |
3.90-6.10 |
0.40-0.70 |
- |
Mechanical property of of ASTM A387 Grade 5 Class 1 bolier steel plate A387 Gr 5 Cl 1 pressure vessel steel sheet:
Grade |
Tensile Strength |
Yield Strength |
Elongation in 2 inches |
(Mpa) min. |
(MPa) min. |
(%) max. |
ASTM A 387 Grade 5 Class 1 |
415-585 |
205 |
18 |
ASTM A387 Grade 5 Class 1 bolier steel plate A387 Gr 5 Cl 1 pressure vessel steel sheets are widely used to make industrial boilers, pressurized vessels, and heat exchangers.