Engineering Steels
EN3A & EN3BSupplier in Johannesburg. Cut to size, delivered nationwide.
EN3 is a low-carbon mild steel for general engineering work. EN3A is the hot-rolled bar; EN3B is bright drawn, so it comes with a clean finish and closer size tolerance that saves machining.
At a glance
Reference values. We confirm the exact grade and condition on every quote.
- Type
- Low-carbon mild steel, around 0.2% carbon
- EN3A
- Hot-rolled (black) bar
- EN3B
- Bright drawn bar with a clean, accurate finish
- Forms
- Round, square and flat bar, full lengths or cut to size
Used for
- General machined parts
- Lightly loaded shafts and pins
- Brackets and fixtures
- Welded fabrications
- Case-hardened parts
Good to know
EN3 welds easily and can be case hardened when a wear-resistant surface is needed.
Choose EN3B when the bar will be used close to size, for example for pins and spindles.
Part of our engineering steels range. Cut to size in Johannesburg and delivered anywhere in South Africa.
EN3A & EN3B questions
What is the difference between EN3A and EN3B?
EN3A is hot rolled and has a black mill-scale finish. EN3B is bright drawn, which gives a clean surface and tighter tolerances.
Is EN3B weldable?
Yes. Its low carbon content makes it easy to weld.
Phone, WhatsApp or email
Need EN3A & EN3B?
Sizes, quantities and where it needs to go. A photo of a handwritten list is fine. We reply with a written price.