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Capabilities & Sustainability
Production Process
Production Process for Cold Drawn & Cold Rolled Stainless Steel Pipes & Tubes<br> 1.Bars <br> 2.Inspection<br> 3.Peeling <br> 4.Piercing<br> 5.Pickling <br> 6.Water Quench <br> 7.Lubricating <br> 8.Cold Drawing / Cold Rolling <br> 9.Straightening <br> 10.Annealing & Solution <br> 11.Pickling <br> 12.Cutting <br> 13.Pickling <br> 14.Hydro Test <br> 15.Inspection <br> 16.Pickling <br> 17.Packing <br> 18.Delivery
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Production Process for Stainless Steel Bars & Wire Rods<br> 1.Primary melting<br> • Scrap<br> • Induction furnace<br> 2.Secondary refining<br> • AOD (Argon Oxygen Decarburization)<br> • VOD (Vacuum Oxygen Decarburization)<br> • LF (Ladle Furnace)<br> 3.Continuous casting<br> • CCM (Continuous Casting Machine)<br> 4.Bar & Section line<br> • Bar rolling mill<br> • Cooling bed<br> • Annealing & Solution treatment<br> • Straightening<br> • Peeling & Grinding<br> • Hot rolled bars<br> • Bright bars<br> 5.Wire rod line<br> • Wire rod block<br> • Annealing<br> • Pickling<br> • End product coils
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Production Process for Stainless Steel BA Bars<br> 1.Wire rods<br> 2.Pre-straightening<br> 3.Polishing<br> 4.Grinding / Buffing<br> 5.Cold drawing<br> 6.Cutting<br> 7.Buffing<br> 8.Straightening<br> 9.Bundling<br> 10.Delivery
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<p>Production Process for Small-diameter Welded Pipes & Tubes<br> 1.Coils<br> 2.Slitting<br> 3.Forming<br> 4.Welding<br> 5.Online annealing<br> 6.Cutting<br> 7.Hydro test<br> 8.Pickling & Passivation<br> 9.Eddy current inspection<br> 10.Final inspection<br> 11.Packing<br> 12.Delivery</p> <p>Production Process for Large-diameter Welded Pipes<br> 1.Plates<br> 2.Re-forming<br> 3.Plasma cutting<br> 4.Edge finish<br> 5.Forming<br> 6.Preforming welding<br> 7.Auto-welding<br> 8.Sizing<br> 9.End beveling<br> 10.Hydro test<br> 11.Final inspection<br> 12.Packing<br> 13.Delivery<br> </p>
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Production Process for Stainless Steel Strips<br> 1.Primary melting<br> • Scrap<br> • EAF (Electric Arc Furnace)<br> 2.Secondary refining<br> • AOD (Argon Oxygen Decarburization)<br> • VOD (Vacuum Oxygen Decarburization)<br> • LF (Ladle Furnace)<br> 3.Continuous casting<br> • Slab casting<br> 4.Continuous hot rolling<br> • Roughing mill<br> • Finishing mill<br> • Coiling<br> 5.Heat treatment<br> • Annealing<br> • Descaling<br> 6.Pickling<br> 7.Final product<br> • Storage coils<br> • Outgoing coils
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The Steelmaking Process<br> 1.Input raw materials<br> • Iron ore<br> • Coal<br> • Limestone<br> • Scrap<br> 2.Raw materials preparation<br> • Sintering<br> • Pelletizing<br> • Coking<br> 3.Ironmaking<br> • Blast furnace<br> • Direct reduction<br> 4.Steelmaking<br> • Basic Oxygen Furnace (BOF)<br> • Electric Arc Furnace (EAF)<br> • Secondary refining<br> 5.Semi-finished products<br> • Slabs<br> • Billets<br> • Blooms<br> 6.Hot-rolled products<br> • Plates<br> • Coils<br> • Sections<br> • Bars<br> • Wire rods<br> 7.Finishing operations<br> • Coating<br> • Heat treatment<br> • Fabrication<br> 8.Co-products and their uses<br> • Slag, gases, dust, and other by-products for construction, agriculture, and energy sectors<br> 9.Steel applications<br> • Construction<br> • Transport<br> • Packaging<br> • Energy<br> • Machinery<br> • Household appliances<br> • Other industries<br>
Discover MoreProduction Process for Cold Drawn & Cold Rolled Stainless Steel Pipes & Tubes
| 1. Bars | 2. Inspection | 3. Peeling |
| 4. Piercing | 5. Pickling | 6. Water Quench |
| 7. Lubricating | 8. Cold Drawing / Cold Rolling | 9. Straightening |
| 10. Annealing Solution | 11. Pickling | 12. Cutting |
| 13. Pickling | 14. Hydro Test | 15. Inspection |
| 16. Pickling | 17. Packing | 18. Delivery |
Production Process for Stainless Steel Bars & Wire Rods
1. Primary melting
| • Scrap | • Induction furnace |
2. Secondary refining
• AOD (Argon Oxygen Decarburization)
• VOD (Vacuum Oxygen Decarburization)
• LF (Ladle Furnace)
3. Continuous casting
• CCM (Continuous Casting Machine)
4. Bar & Section line
| •Bar rolling mill | •Cooling bed |
| •Annealing & Solution treatment | •Straightening |
| •Peeling & Grinding | •Hot rolled bars |
| •Bright bars |
5. Wire rod line
| •Wire rod block | •Annealing |
| •Pickling | •End product coils |
Production Process for Stainless Steel BA Bars
| 1. Wire rods | 2. Pre-straightening |
| 3. Polishing | 4. Grinding / Buffing |
| 5. Cold drawing | 6. Cutting |
| 7. Buffing | 8. Straightening |
| 9. Bundling | 10. Delivery |
Production Process for Small-diameter Welded Pipes & Tubes
| 1. Coils | 2. Slitting |
| 3. Forming | 4. Welding |
| 5. Online annealing | 6. Cutting |
| 7. Hydro test | 8. Pickling Passivation |
| 9. Eddy current inspection | 10. Final inspection |
| 11. Packing | 12. Delivery |
Production Process for Large-diameter Welded Pipes
| 1. Plates | 2. Re-forming |
| 3. Plasma cutting | 4. Edge finish |
| 5. Forming | 6. Preforming welding |
| 7. Auto-welding | 8. Sizing |
| 9. End beveling | 10. Hydro test |
| 11. Final inspection | 12. Packing |
| 13. Delivery |
Production Process for Stainless Steel Strips
1. Primary melting
| •Scrap | •EAF (Electric Arc Furnace) |
2. Secondary refining
| •AOD (Argon Oxygen Decarburization) | •VOD (Vacuum Oxygen Decarburization) |
| •LF (Ladle Furnace) |
3. Continuous casting
• Slab casting
4. Continuous hot rolling
| •Roughing mill | •Finishing mill |
| •Coiling |
5. Heat treatment
| •Annealing | •Descaling |
6. Pickling
7. Final product
| •Storage coils | •Outgoing coils |
The Steelmaking Process
| 1. Input raw materials • Iron ore • Coal • Limestone • Scrap |
2. Raw materials preparation • Sintering • Pelletizing • Coking |
| 3. Ironmaking • Blast furnace • Direct reduction |
4. Steelmaking • Basic Oxygen Furnace (BOF) • Electric Arc Furnace (EAF) • Secondary refining |
| 5. Semi-finished products • Slabs • Billets • Blooms |
6. Hot-rolled products • Plates • Coils • Sections • Bars • Wire rods |
| 7. Finishing operations • Coating • Heat treatment • Fabrication |
8. Co-products and their uses •and other by-products for construction, •agriculture, and energy sectors |
| 9. Steel applications • Construction • Transport • Packaging • Energy • Machinery • Household appliances • Other industries |
The production process includes:
- Stainless steel bars & wire rods;
- Cold drawn & cold rolled stainless steel seamless pipes & tubes;
- Stainless steel cold drawn & centerlessly ground(BA) bars;
- Welded pipes & tubes in small & big diameter;
- Stainless steel strips in 200 & 300 series for civilian applications.
