Desta Steel proudly stands as a leading manufacturer and supplier in Addis Ababa, committed to empowering Ethiopia’s robust infrastructure. We specialize in providing high-quality ASTM A709-50W Corten steel, a material designed to meet the demanding requirements of modern construction. This weathering steel is an excellent choice for major projects, offering not just exceptional strength but also a unique, self-protecting characteristic that significantly reduces long-term maintenance, making it a smart, sustainable investment for the nation’s ambitious builders and engineers.
The composition of ASTM A709-50W is carefully balanced with elements like copper, chromium, and nickel, which work together to create its distinctive weathering properties. Mechanically, this grade is defined by a minimum yield strength of 50 ksi (345 MPa), ensuring it can handle substantial structural loads. Its ability to form a tight, protective rust patina when exposed to the elements is its key advantage, effectively halting further corrosion and eliminating the need for protective paints in many applications.
STANDARD: ASTM A709
THICKNESS: 6-100mm
WIDTH: 900-4800mm
LENGTH: 3000-12000mm
GRADES:50W,50WT,50WF
SERVICES: Welding, Forming, Thermal Cutting
| TYPE | THICKNESS (in) | MN (wt %) | C (MAX wt %) | S (MAX wt %) | NI (MAX wt %) | P (MAX wt %) | V (wt %) | SI (wt %) | CR (wt %) | CU (wt %) |
|---|---|---|---|---|---|---|---|---|---|---|
| B | 2.00 – 3.00 | 0.75 – 1.35 | 0.20 | 0.030 | 0.50 | 0.030 | 0.01 – 0.10 | 0.15 – 0.50 | 0.40 – 0.70 | 0.20 – 0.40 |
| A | 0.1875 – 2.00 | 0.80 – 1.25 | 0.19 | 0.030 | 0.40 | 0.030 | 0.02 – 0.10 | 0.30 – 0.65 | 0.40 – 0.65 | 0.25 – 0.40 |
| GRADE | THICKNESS (in) | ELONGATION IN 8″ 2) (MIN %) | TENSILE STRENGTH (MIN ksi) | YIELD STRENGTH 1) (MIN ksi) | ELONGATION IN 2″ 2) (MIN %) |
|---|---|---|---|---|---|
| 50WT | 0.1875 – 3.00 | 18 | 70 | 50 | 21 |
| 50W | 0.1875 – 3.00 | 18 | 70 | 50 | 21 |
| 50WF | 0.1875 – 2.50 | 18 | 70 | 50 | 21 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Desta Steel is one of the most prominent manufacturers and suppliers of superior quality ASTM A709-50W Corten Steel Sheet and Plate in Addis Ababa, Ethiopia. As experts in steel solutions, we supply a complete spectrum of products like Carbon Steel, Alloy Steel, Mild Steel, and Galvanized Steel. Our product range comprises Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets, and Plates. Known for our reliable delivery and first-rate customer service, we are committed to supplying high-quality steel materials that guarantee durability and excellent performance in numerous industrial applications.
| GRADE | THICKNESS (in) | MIN LONGITUDINAL INDIVIDUAL VALUE 1) (ft-lbs) | MIN LONGITUDINAL AVERAGE ENERGY 1) (ft-lbs) | ZONE 2 TEST TEMP | ZONE 1 TEST TEMP | ZONE 3 TEST TEMP |
|---|---|---|---|---|---|---|
| 50WT | 2.01 – 3.00 | — | 20 | 40 oF | 70 oF | 10 oF |
| 50WT | 0.1875 – 2.00 | — | 15 | 40 oF | 70 oF | 10 oF |
| 50WF | 0.1875 – 2.00 | 20 | 25 | 40 oF | 70 oF | 10 oF |
| 50WF | 2.01 – 2.50 | 24 | 30 |
| GRADE | WIDTH (in) | THICKNESS (in) | LENGTH (in) |
|---|---|---|---|
| 50WT | 72 – 120 | 0.1875 – 3.00 | 240 – 1200 |
| 50W | 72 – 120 | 0.1875 – 3.00 | 240 – 1200 |
| 50WF | 72 – 120 | 0.1875 – 2.50 | 240 – 1200 |
The primary use for this advanced steel is in the construction of enduring structures like bridges, large architectural frameworks, and industrial buildings, where its high strength-to-weight ratio is highly valued. Its iconic weathered appearance also makes it a favorite for aesthetic applications in modern facades and public art. By choosing this material, projects benefit from reduced lifecycle costs and minimal upkeep, as the steel develops its own durable shield, perfectly suited for Ethiopia’s varied climatic conditions and forward-looking development goals.
Desta Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Addis Ababa, Ethiopia.
Copyright 2025 Desta Steel. All rights reserved