Production Process

Production Process for Cold Drawn & Cold Rolled Stainless Steel Pipes & Tubes

Production Process for Cold Drawn &amp; Cold Rolled Stainless Steel Pipes &amp; 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 &amp; 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

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

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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Production Process for Small-diameter Welded Pipes & Tubes/Production Process for Large-diameter Welded Pipes

<p>Production Process for Small-diameter Welded Pipes &amp; 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 &amp; 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

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

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>

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Production 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 &amp; 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 &amp; 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
• Slag, gases, dust,

•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.

 

Tsisco Industrial Ltd.
Tsisco Industrial Ltd.