PRODUCTS
Dongil Steel Co., Ltd. does the best to become a world-class steel company
by investing in equipment continuously and manufacturing globally competitive products with the best quality.
Using choice builets produced by world's leading steel makers. We hot-roll them at high temperatures and manufacture steel bars to meet varying standards of customers.
Usage : Auto-Parts, Machine-Parts, Building Material, Bolt-Nut, Various Shafts, PIN
Quality of the material : Carbon Steel, Alloy Steel, Bearing Steel
Oridyct Standards : 25 ~ 106mm
| Product | Grade | Size Range | Applications |
|---|---|---|---|
| Round Bar Square Bar |
S10C ~ S55C SCM SUJ2 |
25MM ~ 106MM 32MM ~ 62MM |
| List | Shapeㆍ Dimension Tolerance | |
|---|---|---|
| Diameter of Tolerancd | ±1.5%, only, smallest value does by 0.4mm | |
| Declination | 70% of below diameter | |
| Tolerance of Length | below 7m | +40mm, -0 |
| More than 7m | Whenever increase length 1m add 5mm in above +side tolerance | |
| Corner Round | Corner does beveling about 2~3mm | |
| Tortuousness | Something to be straight applicatively | |
| Flexure | Does by below 3mm about 1m, and does by (3mm X length(m) / 1m) below about all length | |
| Standard No | Stand Name | Symbol of kind | Jis Standard |
|---|---|---|---|
| KSD 3503 | Rolled steel for general structure | SS330 ~ SS540 | JIS G 3101 |
| KSD 3752 | Chromium molybdenum steels | SM10C ~ SM58C | JIS G 4051 |
| KSD 3711 | Chromium molybdenum steels | SCM415 ~ SCM822 | JIS G 4105 |
| KSD 3525 | High carbon chrome bearing steel | STB1 ~ STB5 | JIS G 4805 |
| (JISG 4805 : SUJ1 ~ SUJ5) |
| Standard Name | Chemicals and Machanical Properly |
|---|---|
| Rolled steel for general structure | Chemicals and machanical properly |
| Carbon steel for mechine structure | Chemicals and machanical properly |
| Chromium molybdenum steels | Chemicals and machanical properly |
| Bearing steels | Chemicals |
| Spring steels | Chemicals and machanical properly |
