Stainium / Descaling

Premium abrasive product for descaling operations in wheel-blasting

STAINIUM™ is specially developed for descaling applications when little roughness is required at the end of the process. Specially available in fine grades, STAINIUM™ provides a more stable operating mix. 

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Users benefits

Users benefits

High Efficiency

Unique Blend shot and grit





  • Best solution for descaling operations 
  • Increasing your productivity by 10% 
  • Improved surface appearance 
  • Lower and better-controlled roughness 
  • Better surface appearance after cold rolling 


  • Reduce the unit cost of your blasting process by 15% 
  • Reducing your abrasive consumption by 12% on average 
  • Decreasing your reblasting rejects by 15% 
  • Reducing your acid pickling process cost 

Markets and applications

Markets and applications

Special mix of shot & soft grit

Coils & Spring

Surface preparation in Wheelblast machines



Product name  SM 050  SM 40  SM 150  SM 140  SM 130  SM 318 
Nominal Size 

(Sieve #) 

0,30 mm 


0,42 mm 


0,18 mm 


0,35 mm 



0,50 mm 


0,85 mm 


Hardness  46 – 52 HRc 
Density  7.3 mini 


Chemical Composition  C≥0.80%, Si≥0.4%, 0.6%≤Mn≤1.2%, S≤0.05%, P≤0.05% 
General Shape  Conditioned  


Mixed of shot and grit 


Packaging  BOXED BAGS,  

1000 kg (2,205 lb) 

40 bags of 25 kg (55 lb) per pallet 



1000 kg (2,205 lb) 




1000 kg, 771 kg 


Resources & downloads

Resources & downloads

Leaflet Stainium Brochure


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The W Care approach

The W Care approach

  1. Checking and upgrading equipment adjustments and settings. 
  2. Cost reduction offer: assessment of potential advantages, common objective, agreement on prices. 
  3. Testing at a Technical Center: validation of the results, winning customer’s confidence, parameter adjustment. 
  4. Launching of the industrial test phase: regular monitoring by a technical expert. 
  5. Training on site: guarantee of successful project implementation and shared objectives. 
  6. Monthly evaluation: monitoring, refining, confirmation of partnership and customer’s commitment. 
  7. Assessment of industrial test: evaluation of real benefits, confirmation of expected improvements, extension to other installations, etc. 

Case studies & news

Case studies & news


Success of Baosteel: the benefits to use Stainum Premium Product

Baosteel: The benefits to use Stainum Premium Product  Baosteel is the 3rd biggest crude steel producer in the world and the 2nd biggest customer of […]

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Case studies Volvo Construction Equipment

In order to optimize their shot blasting processes, the industrial group Volvo Construction Equipment partnered with the technical center of Winoa.

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Blasting in Foundries: Towards cost reduction and increased efficiency

In foundries, the efficiency of abrasive blasting is essential to ensure quality, productivity, and profitability. A comprehensive approach encompassing consultation, training, adjustment of parameters, and […]

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