Cobalt mattes and other intermediate products of cobalt metallurgy, other (HS 810590)
Cobalt mattes and other intermediate products of cobalt metallurgy, other (HS 810590) has 146 U.S. import bill-of-lading shipment records between Jan 2020 and Jul 2026. The largest U.S. importer of Cobalt mattes and other intermediate products of cobalt metallurgy, other is ARCONIC HOWMET DOVER ALLOY HOWMET CASTINGS & SERVICES INC, with 31 shipments, followed by ZIMMER MANUFACTURING BV TURPEAUX INDUSTRAIL ESTATE PARK and STRYKER ORTHOPAEDICS. The leading supplier is DEPUY IRELAND LTD, with 32 shipments, followed by FIRTH RIXSON METALS LTD and STAINLESS. Goods originate mainly from IRELAND and UNITED KINGDOM, arriving primarily at CHESTER, PA. Import volume has declined over the past 12 months versus the prior year.
Sourced from U.S. Customs bill of lading data · Updated monthly · Data through July 2026
Shipments over time (last 24 months)
Trade flow: top suppliers → U.S. importers
The strongest supplier-importer relationships for Cobalt mattes and other intermediate products of cobalt metallurgy, other (HS 810590), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is DEPUY IRELAND LTD → ARCONIC HOWMET DOVER ALLOY HOWMET CASTINGS & SERVICES INC with 31 shipments, followed by FIRTH RIXSON METALS LTD → ZIMMER MANUFACTURING BV TURPEAUX INDUSTRAIL ESTATE PARK (15) and STAINLESS → STRYKER ORTHOPAEDICS (13).
Top U.S. importers
| Importer | Shipments |
|---|---|
| ARCONIC HOWMET DOVER ALLOY HOWMET CASTINGS & SERVICES INC | 31 |
| ZIMMER MANUFACTURING BV TURPEAUX INDUSTRAIL ESTATE PARK | 15 |
| STRYKER ORTHOPAEDICS | 13 |
| CANNON MUSKEGON CORP | 10 |
| CARPENTER TECHNOLOGY CORP | 10 |
Top suppliers
| Supplier | Shipments |
|---|---|
| DEPUY IRELAND LTD | 32 |
| FIRTH RIXSON METALS LTD | 19 |
| STAINLESS | 13 |
| HOWMEDICA INTERNATIONAL RAHEEN IND ESTATE V94 X6T4 CO | 10 |
| DILIGENT SCM SOLUTIONS PVT LTD | 6 |
Origin countries
| Country | Shipments |
|---|---|
| IRELAND | 43 |
| UNITED KINGDOM | 25 |
| INDIA | 13 |
| BELGIUM | 12 |
| CHINA | 10 |
| GERMANY | 9 |
| JAPAN | 7 |
| ROMANIA | 7 |
| NETHERLANDS | 5 |
| FRANCE | 3 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| CHESTER, PA | 47 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 34 |
| PORT EVERGLADES, FL | 16 |
| CHARLESTON, SC | 8 |
| LOS ANGELES, CA | 8 |
| WILMINGTON, NC | 7 |
| SAVANNAH, GA | 7 |
| NEW YORK, NY | 5 |
| LONG BEACH, CA | 4 |
| TACOMA, WA | 3 |
Harmonized System classification
HS code 810590 — Cobalt mattes and other intermediate products of cobalt metallurgy, other. The Harmonized System is the international standard for classifying traded goods; U.S. Customs records this 6-digit code on every bill of lading.
Not sure this is the right code? Search all 5,700+ subheadings with the free HS code lookup, or see which product categories are growing in our quarterly State of U.S. Imports reports.
Frequently asked questions about importing Cobalt mattes and other intermediate products of cobalt metallurgy, other
Who imports Cobalt mattes and other intermediate products of cobalt metallurgy, other (HS 810590)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Cobalt mattes and other intermediate products of cobalt metallurgy, other include ARCONIC HOWMET DOVER ALLOY HOWMET CASTINGS & SERVICES INC, ZIMMER MANUFACTURING BV TURPEAUX INDUSTRAIL ESTATE PARK, STRYKER ORTHOPAEDICS, CANNON MUSKEGON CORP, and CARPENTER TECHNOLOGY CORP.
Who is the largest U.S. importer of Cobalt mattes and other intermediate products of cobalt metallurgy, other?
ARCONIC HOWMET DOVER ALLOY HOWMET CASTINGS & SERVICES INC is the largest U.S. importer of Cobalt mattes and other intermediate products of cobalt metallurgy, other (HS 810590), with 31 bill-of-lading shipment records.
Who are the top suppliers of Cobalt mattes and other intermediate products of cobalt metallurgy, other?
Leading suppliers shipping Cobalt mattes and other intermediate products of cobalt metallurgy, other (HS 810590) to the U.S. include DEPUY IRELAND LTD, FIRTH RIXSON METALS LTD, STAINLESS, HOWMEDICA INTERNATIONAL RAHEEN IND ESTATE V94 X6T4 CO, and DILIGENT SCM SOLUTIONS PVT LTD.
How many U.S. shipments of Cobalt mattes and other intermediate products of cobalt metallurgy, other are there?
ImportDoor has 146 U.S. import shipment records under HS code 810590, spanning Jan 2020 to Jul 2026.
Where is Cobalt mattes and other intermediate products of cobalt metallurgy, other imported from?
Cobalt mattes and other intermediate products of cobalt metallurgy, other is imported into the U.S. primarily from IRELAND, UNITED KINGDOM, and INDIA.
Find Cobalt mattes and other intermediate products of cobalt metallurgy, other importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 810590, with contact details and container-level shipment records on ImportDoor.
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