Grade B steel is a kind of steel for shipbuilding and platform. Grade B steel is the common tensile strength steel. Grade B steel Chemical Composition Grade C max Si max Mn P max S max B 0.21 0.35 0.80-1.20 0.035 0.035 Note: CE: C+1/6Mn ≤ 0.40% Cu ≤ 0.3
Grade B shipbuilding steel is a kind of steel for shipbuilding and platform. Grade B steel is the common tensile strength steel.
Grade B shipbuilding steel Chemical Composition
Grade | C max | Si max | Mn | P max | S max |
B | 0.21 | 0.35 | 0.80-1.20 | 0.035 | 0.035 |
Note: CE: C+1/6Mn ≤ 0.40% Cu ≤ 0.35%,Ni ≤ 0.30%≤
Grade B shipbuilding steel Mechanical Property
Grade | Rm (MPa) | Re(MPa) min | A% min | Akv/J min | ||||||
B | 400-520 | 235 | 22 | E.T °C | Thickness (mm) | |||||
0 | ≤ 50 | >50-70 | >70-100 | |||||||
L | C | L | C | L | C | |||||
27 | 20 | 34 | 24 | 41 | 27 |
Note: In the list , Rm: .tensile strength,Re: Yield strength,A%: elongation, E.T: experimental temperature,L: lengthways, C: crosswise.
As a professional shipbuilding steel plate exporter, KUNFENG international can supply Grade B shipbuilding steel under ABS/ BV/ DNV/ GL/ KR/ LR/ NK/ RINA. We registers hundreds of thousands of tons of ex-stock source on our spot trade flatform. If required, we can also offer chemical analysis, mechanical properties and other detailed information.