ASTM A387/A387M A387 K90941 Introduce
The ASTM A387/A387M A387 K90941 steel plates are widely used for high temperature applications. The plates are widely used for manufacturing boilers and pressure vessels, oil and natural gas pipelines, high temperature and high-pressure transmission systems, heat exchangers and condensers, pressure relief valves, and other components. The plates are also used in water-pressure vessels, chemical processes, and paper industries.
Smelting temperature:1156°C - 1181°C
Application:Pressure vessel plate, alloy steel, chrome molybdenum
ASTM A387/A387M A387 K90941 Material Chemical Composition
The chemical composition of the ASTM A387/A387M A387 K90941 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Vanadium (V) | - | 0.0500 |
| Silicon (Si) | - | 1.0500 |
| Sulfur (S) | - | 0.0250 |
| PhOsphorus (P) | - | 0.0250 |
| Molybdenum (Mo) | 0.8500 | 1.1500 |
| Manganese (Mn) | 0.2500 | 0.6600 |
| Chromium (Cr) | 7.9000 | 10.1000 |
| Carbon (C) | - | 0.1500 |
ASTM A387/A387M A387 K90941 Material Mechanical Properties
ASTM A387/A387M A387 K90941 steel is an important alloy steel class that has excellent mechanical properties. These properties include high temperature strength, high strength, high ductility, good fatigue strength, and good corrosion resistance. These all make this material suitable for a wide range of applications including automotive components, construction components, and marine applications. The overall mechanical properties of ASTM A387/A387M A387 K90941 steel make it an ideal choice of material for a variety of applications.
The mechanical properties of the ASTM A387/A387M A387 K90941 steel are as follows:
| YieldRp0.2 | ≤ 754 (MPa) |
| TeileRm | ≤ 838 (MPa) |
| ImpactKV/Ku | 22(J) |
| ElongationA | 34% |
| Reduction in cross section on fractureZ | 11% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 414 |
ASTM A387/A387M A387 K90941 Material Thermal Properties
The thermal performance parameters of the ASTM A387/A387M A387 K90941 steel are as follows:
| Temperature (°C) | 14 | 362 | 553 |
| Modulus of elasticity (GPa) | - | 762 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 32 |
| Thermal conductivity (W/m·°C) | - | 13.3 | 21.2 |
| Specific thermal capacity (J/kg·°C) | - | 222 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.23 | - | - |
| Deity (kg/dm³) | - | - | 111 |
| Poisson’s coefficient, ν | - | - | 313 |
ASTM A387/A387M A387 K90941 Material Machining Technology
Chamfering and deburring are important steps in the machining of ASTM A387/A387M A387 K90941 steel. These processes help to reduce the risk of fractures and other surface irregularities that can occur during further processing and use. Chamfering is the process of creating a beveled edge on an object, while deburring is the process of removing any extra burrs or sharp edges left behind after machining.