Buy Cast Iron 4E Grade Products Online
Custom-cut to Order Delivery or Click & Collect
At Edcon Steel, we stock Cast Iron 4E grade in a wide range of diameters, suitable for both large-scale industrial use and smaller workshop or DIY projects. It offers strong compressive strength, good wear resistance, and natural vibration damping, making it ideal for components that need to perform smoothly under load.
Cast Iron 4E grade is a high-quality, continuously cast grey iron supplied primarily as solid round bar. Known for its consistent internal structure and reliable machining performance, it is a go-to material for precision engineering and general fabrication work. Its fine grain composition provides excellent dimensional stability, helping reduce distortion during machining and ensuring clean, accurate finishes.
With five convenient NSW locations in Brookvale, Revesby, Blacktown, Bathurst, and Orange, and Australia-wide delivery, Edcon Steel makes it easy for builders, tradies and DIY customers to get quality cast iron for any job.
Explore the product groups below to find the right cast iron solution for your next project.
Search below for Cast Iron 4E Grade only.
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Specifications: Cast Iron 4E Grade Round Bar
| Specification | Details |
| Product type | Cast Iron 4E grade round bar |
| Diameter range | Approx. 30 mm to 260 mm |
| Standard stock length | Approx. 3000 mm lengths |
| Cut-to-size | Yes, minimum 15 mm |
| Material type | Continuous cast grey iron |
| Structure | Fine grain, uniform internal structure |
| Key properties | Excellent machinability, high compressive strength, good wear resistance, vibration damping |
| Typical coatings | Supplied uncoated, can be painted or treated after machining |
| Common uses | Hydraulic components, machine parts, bearings, valves, general engineering |
| Availability | Stocked across Brookvale, Revesby, Blacktown, Orange, Bathurst |
| Delivery | Australia-wide delivery available |
Cut to Size. Packed. Delivered.
- We can custom cut lengths to the millimetre, with a minimum cut of just 15 mm.
- Cut-to-size items are available in-store while you wait, and online orders are typically processed the same day or the next day.
- Shorter cuts are cheaper to ship and sent via couriers or Australia Post.
- Large or long orders are delivered by our own delivery truck fleet in NSW or by national freight partners.
Work Smarter with Edcon Steel
Machining performance: Cast Iron 4E machines cleanly, but use sharp tooling and appropriate feeds to maintain accuracy and surface finish.
Surface protection: For outdoor or exposed applications, apply paint or coating after machining to help prevent surface rust.
Handling and storage: Store off the ground in a dry area to minimise oxidation and keep material clean for machining.
Right material for the job: Choose 4E grade for precision-machined components where stability, sealing performance, and vibration damping matter.
Check with a Professional: Our advice is general in nature. Always confirm your specific steel sizes, load-bearing requirements and compliance needs with a qualified engineer or builder, especially for structural applications. This ensures your project is safe and meets all regulations before you build.
Common Uses and Sectors: Cast Iron 4E Grade
Cast Iron 4E grade is widely used across engineering, construction, and manufacturing industries where precision and durability are essential. Its excellent machinability makes it a preferred choice for hydraulic and pneumatic components, including pistons, glands, end caps, and valve bodies. It is also commonly used in machine tools, bearings, housings, and general engineering parts that require consistent performance under pressure.
In building and construction, cast iron components are often used in structural bases, equipment supports, and fabricated assemblies where vibration damping and compressive strength are beneficial. Civil and infrastructure projects also rely on cast iron for heavy-duty applications requiring long-term stability and wear resistance.
For more information, read our Steel and Metal articles.
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Read MoreFrequently Asked Questions
What sizes are available in Cast Iron 4E Grade?
We stock a range of diameters and profiles, including round and square bars, with custom cutting available to suit your requirements.
Do you stock cast iron at all Edcon Steel locations?
Yes, our cast iron range is available online and across our NSW branches in Brookvale, Revesby, Blacktown, Bathurst, or Orange. Stock availability may vary by size, and our team can confirm current supply.
Can I order cast iron cut to size?
Yes! All Edcon Steel stores in Brookvale, Revesby, Blacktown, Bathurst, or Orange offer precision cut-to-size services. We cut and prepare orders for in-store pickup or delivery nationwide.
Do you deliver cast iron outside Sydney and NSW?
Absolutely. We deliver across Sydney, regional NSW, and Australia-wide. Whether you're near our stores in Brookvale, Revesby, Blacktown, Bathurst, or Orange, or ordering from interstate, Edcon can get your products to you quickly and safely. Our Edcon Steel trucks deliver daily to sites across Sydney and Central Western NSW (including Bathurst and Orange). For areas outside our truck network, we partner with reliable national freight providers to get your order to you safely and efficiently.
Can I pick up my order instead of having it delivered?
Yes, you can opt for click-and-collect pickup at any of our NSW stores (Brookvale, Revesby, Blacktown, Bathurst, or Orange). We’ll prepare your order, and you can pick it up at a time that suits you. Our friendly staff will even help load your vehicle if needed.
How do I get a quote or check pricing?
You can view live prices or request a quote online 24/7. Or contact any of our NSW steel stores for fast, friendly help with pricing, including cutting and delivery options. For an accurate price, simply select your desired product online or contact our team, and we’ll provide a prompt quote.
Is cast iron suitable for outdoor use?
Cast iron can be used outdoors, but we recommend applying a suitable protective coating in exposed environments to improve longevity.
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