As temperatures rise, the strength, dimensional stability, and dimensions of structural steel can change. Therefore, thermal stress requires a carefully considered choice of material, in which properties such as heat resistance, toughness, and dimensional accuracy are weighed against one another. Discover below the heat-resistant structural steel that Hetraco supplies for thermally stressed components, including custom parts and smaller production runs.
High-temperature structural steels are used in situations where heat affects the performance of a component or structure. As temperatures rise, strength, dimensional stability, and dimensions may change. Therefore, thermal stress requires a carefully considered choice of material, especially when components are also subjected to mechanical stress or are part of a continuous process. Examples include components for heat treatment facilities, industrial furnaces, power generation plants, mechanical engineering, equipment manufacturing, and structures in the process industry. Discover the heat-resistant steel available for order through Hetraco.
The Behavior of Heat-Resistant Steel
When structural steel is used at higher temperatures, different properties come into play than when used under normal conditions. The material may expand, build up internal stresses, or deform over time if the temperature load is high or prolonged. The combination of heat, load, and environment also determines how suitable a particular steel grade is. Therefore, when selecting heat-resistant steel, factors such as heat resistance, toughness, weldability, machinability, and the desired dimensional accuracy of the final component are taken into account.
From applicable to suitable steel grade
Making the right choice starts with the conditions under which the material will be used. Will it be exposed to continuous heat, peak temperatures, or fluctuating temperature cycles? Is the component load-bearing, moving, or part of a larger structure? And are there additional requirements regarding certifications, machining, tolerances, or traceability? Based on these factors, we can determine which heat-resistant structural steel grade and design best suits your application. Hetraco works closely with you on this, even when it comes to custom parts, non-standard dimensions, or smaller production runs.
Do you need heat-resistant steel for components subjected to thermal stress?
Do you need structural steel components for applications involving elevated temperatures? Hetraco helps assess your technical requirements and works with you to evaluate materials, design, and delivery options. You can also count on a practical approach when it comes to custom solutions, additional documentation, or specific project requirements. Hetraco operates in accordance with ISO 9001 and ISO 14001, with a focus on quality, traceability, and responsible business practices.
| Material Number | DIN Standard | Label/Trade Name |
|---|---|---|
| 1.1181 | CK35 | YK (< 350°C) |
| 1.1191 | CK45 | 1191 (< 450°C) |
| 1.5415 | 15Mo3 / 16Mo3 | Q (< 530°C) |
| 1.6368 | 15NiCuMoNb5 | 6368 |
| 1.7258 | 24CrMo5 | G (< 400°C) |
| 1.7335 | 13CrMo4-4 | R (< 530°C) |
| 1.7380 | 10CrMo9-10 | 7380 |
| 1.7709 | 21CrMoV5-7 | GA (< 540°C) |
| 1.7711 | 40CrMoV4-7 | GB/B16 |
| 1.7729 | 20CrMoVTi B4-10 | 7729 (< 565°C) |
| 1.7733 | 24CrMoV5-5 | 7733 (< 530°C) |