We are DNV Grade AH420 shipbuilding steel supplier and exporter, NVA420 steel plate producer and stockist. For the commonly used size NVA420 plate and flat bulb, we usually have stock NVA420 plate, NVA420 steel angle and H beams resources and arrange delivery within 10 days. DNV Grade AH420 steel plate and sheets are out main product of our company.
Application: Rolled steel for structural application.
Heat treated: 1859°C - 1754°C.
DNV Grade AH420 NVA420 Mechanical
DNV Grade AH420 NVA420 properties, DNV Grade AH420 NVA420 Mechanical Properties, DNV Grade AH420 NVA420 hardness, DNV Grade AH420 NVA420 tensile strength, yield strength
Yield | Tensile | Impact | Elongation | Reduction in cross section on fracture | As-Heat-Treated Condition | Brinell hardness (HBW) |
216 (≥) | 659 (≥) | 31 | 42 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 411 |
DNV Grade AH420 NVA420 Physical
Physical performance parameters of DNV Grade AH420 NVA420 are mainly indicated by thermal conductivity, specific thermal capacity, modulus of elasticity, coefficient of thermal expansion, electrical resistance value, density, poisson's ratio, etc. parameters of DNV Grade AH420 NVA420 .
Temperature | Modulus of elasticity | Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity | Specific thermal capacity | Specific electrical resistivity | Density | Poisson’s coefficient, ν |
14 | - | - | | | 0.34 | - | |
723 | 594 | - | 43.3 | 122 | | - | |
114 | - | 11 | 32.2 | |
| 341 | 411 |
DNV Grade AH420 NVA420 Equivalent
Grade | Standard | Area | Content |
GradeNVA420 |
| Norway | Rolled steel for structural application |
Our NVA420 shipbuilding steel not only enjoys first class quality on the market, but also competitive with reasonable price and thoughtful after service. During the past twenty years, we have exported DNV Grade AH420 NVA420 steel plates and steel sections to more than 70 countries and areas.
