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Turnings and Borings
Steel turnings, chips, and borings from machining operations
Certification Requirements
Required certifications, standards compliance, and verification protocols.
Machining scrap collection, sorting, drying operation QMS
- Proof Of Oil Separation/Drying Equipment
- Calibration Records
- Oil content (CRITICAL)
- Iron, carbon, copper, non-ferrous
- Stainless steel detection
£1–2 million general liability
Rejection Criteria
Conditions and thresholds that trigger immediate rejection or downgrading.
>2.0% oil by weight
Full rejection or re-drying at supplier cost
- Oil >2% Contaminates Furnace
- Causes Operational Problems
Fe <95.0%
Full rejection
- Isri 208 Spec Violation
- Contamination Too High
>0.15%
Full rejection or credit
Copper >0.15% exceeds turnings grade tolerance
>2.0% combined OR >0.5% individual
Full rejection or credit
Non-ferrous exceeds specification
Any visible OR >0.1% detected
Full rejection
- Stainless Requires Segregation
- Mixed Loads Unacceptable
>0.35%
Full rejection or credit
High-carbon turnings unsuitable for standard mills
>1.5% combined oil+coolant
Re-separation or rejection
- Coolant Separable
- Excessive Indicates Inadequate Processing
Any visible plastic/polymer residue >0.5%
Full rejection
Polymer contaminants damage furnace linings
Any detectable
- Immediate Rejection
- Radioactive Waste Protocol
Any visible
- Full Rejection
- Hazardous Waste Protocol
Any detectable
- Full Rejection
- Hazmat Disposal