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High Lead Bronze
Bronze solids and borings with high lead content
Certification Requirements
Required certifications, standards compliance, and verification protocols.
- Must State Explicitly: 'High-Lead Bronze, Isri Elias Grade, Verified Composition: Copper 75-85% Confirmed
- Tin 3-10% Confirmed
- Lead 5-15% Confirmed (High-Lead Bearing Specification Met)
- Arsenic <0.5% Verified (Hazmat Acceptable)
- Iron <1.5% Confirmed
- Zinc <3% Confirmed
- Material Specification Verified Suitable For Bearing/Bushing Foundry Applications'
- Must Provide Complete Elemental Profile: Cu% (75-85% Target), Sn% (3-10% Target), Pb% (5-15% Target, Critical High-Lead Specification), As% (<0.5% Critical Hazmat), Fe%, Zn%, Ni%, Other Trace Elements Quantified
- Specification Met Documentation Absolute
- Safe For Foundry Processing
- Worker Exposure Risk Assessed And Mitigated
High-lead bronze collection, sorting, composition verification, arsenic/hazmat screening, bearing specialty certification
- Supplier Must Maintain Active Iso 9001 Certification Throughout Contract Term
- Bearing Bronze Foundry Expertise Documented
- Arsenic Hazmat Protocols Certified
- Must State Explicitly: 'Lead Content Precisely Quantified: 5-15% Documented (High-Lead Specification Confirmed)
- Foundry Processing Protocol Established
- Cost Estimation Basis Documented
- Bearing/Bushing Application Suitability Verified'
- Must State Explicitly: 'High-Lead Bronze, Isri Elias Grade, Bearing/Bushing Specialization Verified
- Composition Range Met
- Specialty Alloy Specification Confirmed
- Foundry Feedstock Suitable Established'
MUST state:
- Ferrous contamination screening completed
- Iron content <1.5% VERIFIED
- magnetic contamination ABSENT or minimal
- bronze specification integrity MAINTAINED
- Specialty Bearing Bronze
- Lead Content
- Arsenic Hazmat
- Occupational Health Liability
- Specialty Bearing Alloy
- Lead/Arsenic Hazmat
- Occupational Health Critical
- Professional Foundry Processing Required
Rejection Criteria
Conditions and thresholds that trigger immediate rejection or downgrading.
As >0.5% CONFIRMED
- Immediate Full Rejection
- Epa Hazmat Protocol Mandatory
- Occupational Health Emergency
- Occupational Health Hazard Extreme: Arsenic >0.5% = Foundry Worker Exposure Risk Catastrophic
- Regulatory Violation Severe
- Health Impact Severe
- Icp-Aes Arsenic Verification
- Hazmat Quantification
ABSOLUTE CRITICAL - OCCUPATIONAL HAZARD EXTREME - HEALTH VIOLATION CATASTROPHIC
- Full Rejection
- Material Unsuitable For Bearing Foundry
- Hazmat Investigation Mandatory
- Worker Safety Protocols Activation Critical
Pb >15% CONFIRMED
IMMEDIATE FULL REJECTION
- Exceeds Foundry Processing Safety Limit
- Hazmat Processing Concern Extreme
- Bearing Application Incompatible
- Xrf Lead Verification
- Concentration Quantification
ABSOLUTE CRITICAL - FOUNDRY SAFETY VIOLATION
- Full Rejection
- Material Unsuitable For Bearing Foundry Processing
Pb <5% CONFIRMED
Full rejection or reclassification to lower-lead bronze
- Material Not High-Lead Bearing Specification
- Insufficient Lead For Bearing Application
XRF lead verification
CRITICAL - SPECIFICATION VIOLATION
- Full Rejection Or Downgrading
- Unsuitable For Bearing Bronze Market
Cu <75% OR Cu >85%
Full rejection or reclassification
- Material Not Bearing Bronze Specification
- Composition Outside Acceptable Range
XRF copper verification
CRITICAL - SPECIFICATION FAILURE
Full rejection or significant downgrading
Sn <3%
Full rejection or reclassification
- Material Not Bearing Bronze
- Insufficient Tin For Alloy Specification
XRF tin verification
CRITICAL - ALLOY FAILURE
- Full Rejection
- Unsuitable For Bearing Bronze
Fe >1.5% OR strong magnetic attraction detected
Full rejection or magnetic separation required
- Ferrous Mixing Violates Bearing Bronze Specification
- Contamination Unacceptable
- Casting Properties Compromised
- Xrf Iron Verification
- Magnetic Test
CRITICAL - CONTAMINATION VIOLATION
Full rejection or separation required
XRF fails to confirm bearing bronze range
Full rejection or reclassification
- Material Identity Uncertain
- Must Be Isri Elias Bearing Bronze For Grade Specification
Comprehensive XRF composition analysis
CRITICAL - MATERIAL IDENTITY FAILURE
Full rejection or downgrading to different grade
PCB, radioactive, mercury, or other hazmat present
- Full Rejection
- Hazmat Emergency Protocol Mandatory
- Hazmat Contamination Violation
- Occupational Health Hazard
- Regulatory Non-Compliance
- Visual Identification
- Hazmat Assessment
ABSOLUTE CRITICAL - HAZMAT VIOLATION
- Full Rejection
- Hazmat Emergency Response
- Regulatory Investigation