The qualified industrial steel bars produced in our hot rolling facilities are used with confidence across many critical sectors — primarily automotive, machinery manufacturing, agricultural equipment, and the defense industry — thanks to their high strength, machinability, and
durability.
Our hot rolling process enables us to manufacture products tailored to the specific needs of our
customers.
All production is performed in full compliance with EN (European Norms) and ASTM (American Society for Testing and Materials) standards, ensuring international reliability and consistency.
In our hot rolling mill, we produce various sectional shapes — including round, square, rectangular, and hexagonal bars — designed to meet customer application requirements. This flexible production capability gives our company a significant advantage in meeting the specialized demands of different industries.
With their high quality standards and proven reliability, our products continue to strengthen Uyar Çelik’s position in the market, making us a competitive player both locally and globally.
| C min. max. | P min. max. | S min. max. | UYAR ÇELİK Renk Kodu / Color Code | |
|---|---|---|---|---|
| S235JR (St 37-2) | max. 0,17 | 0,050 | 0,050 | |
| S275JR (St 44-2) | max. 0,21 | 0,050 | 0,050 | |
| E295 (St 50-2) | ~ 0,30 | 0,050 | 0,050 | |
| E335 (St 60-2) | ~ 0,40 | 0,050 | 0,050 | |
| E360 (St 70-2) | ~ 0,50 | 0,050 | 0,050 |
| C min. max. | Si min. max. | Mn min. max. | P min. max. | S min. max. | Cr min. max. | UYAR ÇELİK Renk Kodu / Color Code | |
|---|---|---|---|---|---|---|---|
| S355JR (St 52-3U) | 0,20 | 0,55 | 1,50 | 0,040 | 0,040 | ||
| SAE 1018 | 0,15 – 0,20 | 0,15 – 0,35 | 0,60 – 0,90 | 0,040 | 0,050 | ||
| SAE 1020 | 0,17 – 0,24 | 0,40 | 0,40 – 0,70 | 0,035 | 0,035 | ||
| SAE 1030 | 0,27 – 0,34 | 0,40 | 0,50 – 0,80 | 0,035 | 0,035 | ||
| SAE 1040 | 0,37 – 0,44 | 0,40 | 0,50 – 0,80 | 0,035 | 0,035 | ||
| SAE 1050 | 0,47 – 0,55 | 0,40 | 0,60 – 0,90 | 0,035 | 0,035 | 0,050 | |
| SAE 1060 | 0,57 – 0,65 | 0,40 | 0,60 – 0,90 | 0,035 | 0,035 | ||
| C10 / Ck10 | 0,07 – 0,14 | 0,17 – 0,37 | 0,35 – 0,65 | 0,035 | 0,035 | 0,15 | |
| C15 / Ck15 | 0,12 – 0,18 | 0,15 – 0,35 | 0,30 – 0,60 | 0,035 | 0,035 | ||
| C22 / Ck22 | 0,17 – 0,24 | 0,40 | 0,40 – 0,70 | 0,035 | 0,035 | ||
| C25 / Ck25 | 0,22 – 0,29 | 0,40 | 0,40 – 0,70 | 0,035 | 0,035 | ||
| C35 / Ck35 | 0,32 – 0,40 | 0,40 | 0,50 – 0,80 | 0,035 | 0,035 | ||
| C45 / Ck45 | 0,42 – 0,50 | 0,40 | 0,50 – 0,80 | 0,035 | 0,035 | 0,050 | |
| C55 / Ck55 | 0,52 – 0,60 | 0,40 | 0,60 – 0,90 | 0,035 | 0,035 | ||
| 60 SiMn 5 | 0,55 – 0,65 | 1,00 – 1,30 | 0,90 – 1,10 | 0,050 | 0,050 | ||
| 55 Cr 3 | 0,52 – 0,59 | 0,25 – 0,50 | 0,70 – 1,00 | 0,030 | 0,030 | 1,00 | |
| 16 MnCr 5 | 0,14 – 0,19 | 0,15 – 0,40 | 1,00 – 1,30 | 0,035 | 0,035 | 1,10 |


