-
ASTM A202 Grade B is a chromium-manganese-silicon low-alloy steel tailored for high-pressure, medium-temperature pressure vessel applications.2026-04-30
-
ASTM A202 Grade A is a critical chromium-manganese-silicon low-alloy steel plate specifically designed for welded pressure vessels and boilers operating at medium temperatures.2026-04-30
-
ASTM A202 Pressure Vessel Steel Material and Grades:
Alloy System: **Chromium-Manganese-Silicon (Cr-Mn-Si)** Low-Alloy Heat-Resistant Steel2026-04-17 -
ASTM A204/A204M Grade B molybdenum alloy steel plates for pressure vessels feature superior chemical composition and mechanical properties compared to Grade A2026-04-10
-
As a molybdenum-alloy steel plate for pressure vessels under the ASTM A204/A204M standard, A204 Gr.A is a low-alloy, high-strength material specifically designed for service conditions involving moderate temperatures (≤400°C) and moderate-to-high pressure2026-03-31
15mo3 alloy steel plate chemical composition

15MO3 steel plate is one mainly of steel for boiler steels. DIN 17155 15MO3 steel is mainly used for boilers and pressure vessels with elevated temperatures which is equivalent to EN10028 16Mo3 and UNI5869 15Mo3, 15D3 (NFA 36205) and ASTM A204Gr.B.
Size range of our 15mo3 steel plate:
Thickness: 5MM to 300MM,
Width: 1500mm to 4000mm,
Length: 3000mm to 18500mm
15Mo3 steel plate chemical composition:
|
Grade
|
The Element Max (%) |
||||||
|
15Mo3 |
C |
Si |
Mn |
P |
S |
Al |
Cr |
|
0.12-0.20 |
0.10-0.35 |
0.40-0.90 |
0.035 |
0.030 |
|
0.25 |
|
|
Cu |
Ni |
Mo |
Nb |
Ti |
V |
|
|
|
0.3 |
0.3 |
0.25-0.35 |
|
|
|
|
|
Mechanical properties of 15Mo3 alloy steel plate
|
Grade |
Tensile Strength |
Yield Strength |
Elongation in 100-150 mm(%) |
Elongation in |
Max Thickness |
|
15Mo3 |
440-590 |
220-275 |
19 |
24 |
250 |
BEBON also offer 15Mo3 alloy steel plate in various shapes and sizes as per the diverse requirements of various industries. All our 15Mo3 alloy steel plates are designed and developed under the hard and fast compliance with international quality norms and standard.

