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Stainless Steel Turnings
Turnings and chips from stainless steel machining, 400/300 series
Certification Requirements
Required certifications, standards compliance, and verification protocols.
Stainless turnings collection, sorting, processing QMS
- Proof Of Oil Separation/Drying Equipment
- Calibration Records
- Oil content (CRITICAL)
- Stainless composition (Cr, Ni, Mo estimation)
- Carbon steel contamination estimate
- Grade mix assessment (300/400 series)
£1–2 million general liability
Rejection Criteria
Conditions and thresholds that trigger immediate rejection or downgrading.
>5.0% oil by weight
Full rejection or re-drying
- Oil >5% Contaminates Specialty Furnace
- Furnace Damage Risk
>5% ferrous contamination (non-stainless)
Full rejection or major credit
Stainless processors require predominantly stainless composition
<70% confirmed stainless (Cr <12% average)
Full rejection
- Material Insufficient For Stainless Remelting
- Spec Violation
>0.5% copper/brass OR >0.5% individual non-ferrous
Full rejection or credit
Contaminates alloy composition
>1% plastic/polymer residue
Full rejection
Damages specialty furnace linings
Any detectable
- Immediate Rejection
- Radioactive Waste Protocol
Any visible
- Full Rejection
- Hazardous Waste Protocol
Any detectable
- Full Rejection
- Hazmat Disposal