410B steel plate for marine pressure vessel

Introduction to 410B steel material:
410B steel plate is for marine boilers and pressure vessels. The original grade of 410 steel plate was 409 (A, B), which was later changed to 410 steel plate. 410 steel plate is divided into two grades, A and B.

Composition of 410B steel plate:
410B is a ferrocarbon alloy with a carbon content of 0.04% - 2.3%. To ensure its toughness and plasticity, the carbon content generally does not exceed 1.7%. In addition to iron and carbon, the main elements of steel are silicon.

Chemical composition of 410B steel plate:
C: Less than 0.24
Si：0.15-0.40
Mn：1.00-1.65
P: Less than 0.025
S: Less than 0.015
Als：0.015-0.060
Cr：1.50-1.80
Mo：0.25-0.35
V：0.15-0.30

Delivery status of 410B steel plate: steel plate is generally delivered by controlled rolling, normalizing and hot rolling.