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#1 Shredded Scrap
Homogeneous shredded steel from automobiles, appliances, 10 inch max size, <0.20% copper
Certification Requirements
Required certifications, standards compliance, and verification protocols.
Shredder facility operations, sorting process, quality testing procedures
- Shredder Environmental Impact
- Waste Handling
- Emissions Control
- Recycling Targets
- Chemical composition (wt% of each element by XRF)
- Sampling date and methodology
- Test results vs. ISRI 210 acceptance criteria
- Pass/fail determination
- Authorized inspector signature and stamp
- Laboratory contact information; traceability to standards
- UKAS accredited independent laboratory (UK)
- ILAC internationally accredited laboratory (international)
Automotive scrap shredding license + appliance dismantling license (if accepting appliances)
All personnel handling shredded scrap must have formal training
£5–10 million environmental liability (UK operations)
If supplier accepts end-of-life vehicles for shredding
Rejection Criteria
Conditions and thresholds that trigger immediate rejection or downgrading.
>0.20%
FULL REJECTION
- Copper >0.20% Reduces Ductility In Eaf Steel
- Causes Cold-Short Brittleness In Rolled Products
- Unacceptable For Mill Operations
- Xrf Spectrometry (Primary)
- Icp-Aes (Confirmatory For Disputes)
CRITICAL
>0.05% detected
FULL REJECTION
- Austenitic Stainless Steel (300-Series) Contamination Degrades Ferrous Steel Quality
- Indicates Inadequate Magnetic Sorting
XRF spectrometry + magnetic test (both must confirm)
CRITICAL
>1.5% combined OR >0.5% per individual element (aluminum, zinc, etc.)
Full rejection or credit negotiation based on severity
- Aluminum, Zinc, Brass, Bronze Affect Melting And Product Quality
- Indicate Inadequate Ferrous Sorting
XRF spectrometry with element-by-element breakdown
MAJOR
>3% moisture
Re-dry and re-test, OR credit adjustment of 0.5% per 1% moisture over limit
- Excessive Moisture Creates Steam Explosions In Eaf Melting
- Serious Safety Hazard
Karl Fischer titration or gravimetric analysis
MAJOR
<90% within acceptable range, OR >2% oversize (>10″), OR >8% undersize (<1/4″)
Credit note (0.5% per 1% deviation) or mandatory re-shredding at supplier cost
Out-of-size material affects EAF hopper feeding consistency and melting uniformity
Screen analysis on representative samples
MAJOR
ANY detected
- Immediate Rejection
- Hazmat Protocol Activated
- Lead-Acid Batteries Are Hazardous Waste
- Separate Handling Required By Law
- Acid Leakage Risk
- Visual Inspection
- Cannot Be Removed By Xrf
CRITICAL
Any visible strands >1cm length
- Hand-Picking And Manual Re-Sorting Required
- Material Acceptance Depends On Percentage Removed
- Copper Wire Indicates Inadequate Shredder Sorting
- Major Contamination Risk To Eaf Steel
- Visual Inspection
- Magnetic Pick-Up
CRITICAL
Any detectable radiation above background
- Immediate Rejection
- Radioactive Waste Protocol Activated
- Health And Safety Hazard
- Regulatory Violation
Handheld radiation detector scan (Geiger counter or gamma detector)
CRITICAL
Any visible circuit boards, transformers, capacitors
- Full Rejection
- Hazardous Waste Protocol
- Environmental Hazard
- Pcb Oils Contaminate Steel
- Regulatory Violation
- Visual Inspection
- Cannot Be Removed By Shredding
CRITICAL
Any detectable asbestos or mercury switches
- Full Rejection
- Hazmat Disposal Required
- Hazardous Materials
- Health Risk To Mill Workers
Visual inspection + laboratory analysis if suspected
CRITICAL
Fe <98.5%
FULL REJECTION
Violates ISRI 210 specification minimum requirement
XRF spectrometry
CRITICAL
>3% by weight
Credit note or re-cleaning
Paint residue affects surface quality of melted steel
MODERATE
>2% by weight
Credit note or re-wash
Excessive oil creates EAF furnace contamination
MODERATE