07 / 08Technical Information
Engineering Steels
General structural and engineering steels with good machinability, widely used for machine elements that need basic mechanical strength.
Properties
Engineering steels are unalloyed and low-alloy steels used in general machine building. They have good machinability and weldability. Their response to heat treatment depends on carbon content: medium-carbon grades can be hardened, while low-carbon structural steels do not gain much hardness by quenching.
Typical grades
- C35, C45 (medium carbon; suitable for induction hardening and quenching and tempering)
- S235JR, S275JR, S355J2 (St37, St44, St52; low-carbon structural steels)
Applications
Shafts, pins, flanges, brackets, welded structures, frames and housings, and general machine elements.
Heat treatment notes
On medium-carbon engineering steels, wearing areas can be induction hardened or the whole part quenched and tempered. On low-carbon structural steels the aim is to refine the structure rather than to harden: normalising after forging, rolling or welding makes the structure uniform, and stress relieving reduces later dimensional changes. State your steel grade in the quote form.
Which processes for this steel?
State the steel grade, target hardness and depth in the quote form; we will determine the suitable induction or heat treatment process together.
Quote in 3 steps
Your request goes straight to our quotations team and we get back to you as soon as possible.
- Job detailsTell us the service, the material and the quantity.
- Drawing and notesAttach your technical drawing if you have one and add any special requirements.
- Contact detailsLeave your contact details. Your request goes to our quotations team and you receive a confirmation email.
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