DIN EN 10028-5 1.8835 Introduce
The DIN EN 10028-5 Standard is one of the most popular European standards for steel and alloy grades used in engineering and the construction industry. The standard is applicable for weldable fine grain steels and is used most commonly in welded pressure vessels. This standard covers requirements related to heat treatment, workmanship, mechanical characteristics, and inspections, as well as other aspects related to steel grade selection and application.
Smelting temperature:1296°C - 1998°C
Application:Pressure flat steel products - Part 5: Weldable fine grain steel, thermomechanical rolling
DIN EN 10028-5 1.8835 Material Chemical Composition
The chemical composition of the DIN EN 10028-5 1.8835 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Vanadium (V) | - | 0.1000 |
| Titanium (Ti) | - | 0.0500 |
| Silicon (Si) | - | 0.5000 |
| Sulfur (S) | - | 0.0150 |
| PhOsphorus (P) | - | 0.0200 |
| Nickel (Ni) | - | 0.5000 |
| (Nb+Ti+V) | - | 0.1500 |
| Niobium (Nb) | - | 0.0500 |
| Nitrogen (N) | - | 0.0200 |
| Molybdenum (Mo) | - | 0.2000 |
| Manganese (Mn) | - | 1.7000 |
| (Cr+Cu+Mo) | - | 0.6000 |
| (CEV) | - | 0.4300 |
| Carbon (C) | - | 0.1600 |
| Aluminum (Al) | 0.0200 | - |
DIN EN 10028-5 1.8835 Material Mechanical Properties
The mechanical properties of the DIN EN 10028-5 1.8835 steel are as follows:
| YieldRp0.2 | ≤ 424 (MPa) |
| TeileRm | ≤ 296 (MPa) |
| ImpactKV/Ku | 34(J) |
| ElongationA | 41% |
| Reduction in cross section on fractureZ | 13% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 141 |
DIN EN 10028-5 1.8835 Material Thermal Properties
The thermal performance parameters of the DIN EN 10028-5 1.8835 steel are as follows:
| Temperature (°C) | 42 | 399 | 194 |
| Modulus of elasticity (GPa) | - | 489 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 14 |
| Thermal conductivity (W/m·°C) | - | 32.3 | 23.2 |
| Specific thermal capacity (J/kg·°C) | - | 433 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.33 | - | - |
| Deity (kg/dm³) | - | - | 244 |
| Poisson’s coefficient, ν | - | - | 122 |
DIN EN 10028-5 1.8835 Material Machining Technology
The use of a suitable coolant is also important when machining DIN EN 10028-5 1.8835 steel. Different coolants are suitable for different applications and the wrong choice can cause excessive tool wear or poor surface finish. Generally speaking, water-soluble coolants are best suited for machining this type of steel due to their ability to disperse heat and improve chip evacuation.