Global ISRI Specifications
Certified Brass & Copper Scrap Grades
We source, verify, and distribute premier non-ferrous scrap lots categorized strictly according to international Institute of Scrap Recycling Industries (ISRI) standards, delivering optimal melt yield and dependable chemical purity.
ISRI HONEY (Yellow Brass)
Clean yellow brass scrap solids, mixed valves, plumbing fixtures, rod ends, and machinery parts. Free of aluminum brass and iron attachments.
Copper (Cu): 60.0% - 63.0%
High foundry recovery yield (96%+)
ISRI BIRCH / CLIFF (Copper)
Clean unalloyed copper scrap, busbars, electrical wire, and copper piping. Free of brittle burnt wire, insulation, or heavy solder coatings.
Copper (Cu): 99.0% - 99.9% Min
Optimal for copper-rich master alloys
ISRI EBONY (Red Brass)
Heavy red brass scrap machinery bushings, bearings, valve bodies, and gunmetal cast parts (85-5-5-5 alloy composition).
Copper (Cu): 84.0% - 86.0%
High tin & zinc content for bronze casting
ISRI NIGHT (Brass Turnings)
Clean, unmixed yellow brass rod turnings and machining swarf (IS 319 / CW614N). Free of excessive cutting oil, iron grindings, and moisture.
Copper (Cu): 57.0% - 60.0%
Furnace-ready high-density briquettes
ISRI NOMAD / OCEAN
Mixed brass castings including water meter bodies, sanitary components, and commercial hardware. Stripped of iron shafts and rubber gaskets.
Copper (Cu): 58.0% - 62.0%
Fast and uniform furnace melt down
ISRI LAKE (Brass Radiators)
Sweated and unsweated brass-copper automotive radiator cores and industrial heat exchangers. Completely drained and free of iron brackets.
Copper (Cu): 68.0% - 72.0% (Tubes)
Cleaned, degreased & sorted feed
Spectrometry Assay Breakdown
Elemental Chemistry & Material Comparison Matrix
Comprehensive chemical composition and elemental thresholds for primary non-ferrous scrap grades imported and stocked at our Jamnagar facility.
| ISRI Code | Material Description | Cu (%) | Zn (%) | Pb (%) | Sn (%) | Max Impurities | Primary Application |
|---|---|---|---|---|---|---|---|
| HONEY | Yellow Brass Scrap Solids & Valves | 60.0 - 63.0% | 34.0 - 37.0% | 1.5 - 3.0% | < 0.5% | Fe < 0.35% | Extrusion Rods & Cast Billets |
| BIRCH / CLIFF | No. 1 / No. 2 Heavy Copper Scrap | 99.0 - 99.9% | Trace | Trace | Trace | Fe < 0.05% | Electrical & Master Alloys |
| EBONY | Red Brass & Gunmetal Bushings | 84.0 - 86.0% | 4.0 - 6.0% | 4.0 - 6.0% | 4.0 - 6.0% | Fe < 0.25% | Bronze & Valve Castings |
| NIGHT | Yellow Brass Rod Turnings / Swarf | 57.0 - 60.0% | 38.0 - 40.0% | 2.0 - 3.5% | < 0.3% | Oil < 2.0% | Induction Furnace Melting |
| NOMAD | Yellow Brass Castings & Meters | 58.0 - 62.0% | 35.0 - 38.0% | 2.0 - 3.5% | < 0.8% | Fe < 0.50% | Sanitary & Plumbing Castings |
| LAKE | Copper-Brass Radiator Cores | 68.0 - 72.0% | Balance | 1.0 - 3.0% | 1.0 - 2.0% | Fe < 0.40% | Copper-Rich Secondary Smelting |
Purity Standards
Laboratory Assayed & Radiation-Free Deliveries
Every batch supplied by Snowwell Sales undergoes rigorous testing to guarantee exact chemical compliance and zero contaminants.
Spectrometer Assayed
Optical emission spectrometer test report provided with every container lot verifying exact alloy chemistry.
Radiation-Free Guarantee
100% gateway radiation survey monitoring and PSIC certification at Indian port entry before dispatch.
Segregated Bay Storage
Sorted materials stored in isolated, clean concrete bays in our Jamnagar yard to prevent cross-contamination.
Premier brass scrap importer, supplier, and trading firm based in Jamnagar, Gujarat. Sourcing certified non-ferrous scrap globally for foundries across India.
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