Carbides, whether or not chemically defined of silicon (HS 284920)
Carbides, whether or not chemically defined of silicon (HS 284920) has 1,126 U.S. import bill-of-lading shipment records between Mar 2019 and Jul 2026. The largest U.S. importer of Carbides, whether or not chemically defined of silicon is SAINT GOBAIN CERAMICS INC, with 81 shipments, followed by MORGAN AM & T PURE CARBON DIVISION and SAINT GOBAIN ABRASIVES INC. The leading supplier is CARBETO DE SILICIO SIKA BRASIL LTDA, with 445 shipments, followed by FIVEN NORGE AS POSTBOKS and FIVEN NORGE AS. Goods originate mainly from BRAZIL and GERMANY, arriving primarily at NEW YORK/NEWARK AREA, NEWARK, NJ. Import volume has held steady 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 Carbides, whether or not chemically defined of silicon (HS 284920), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is CARBETO DE SILICIO SIKA BRASIL LTDA → SAINT GOBAIN CERAMICS INC with 77 shipments, followed by FIVEN NORGE AS POSTBOKS → MORGAN AM & T PURE CARBON DIVISION (72) and CARBETO DE SILICIO SIKA BRASIL LTDA → SAINT GOBAIN ABRASIVES INC (51).
Top U.S. importers
| Importer | Shipments |
|---|---|
| SAINT GOBAIN CERAMICS INC | 81 |
| MORGAN AM & T PURE CARBON DIVISION | 80 |
| SAINT GOBAIN ABRASIVES INC | 61 |
| COORSTEK INC | 50 |
| SAINT GOBAIN ABRASIVES | 40 |
Top suppliers
| Supplier | Shipments |
|---|---|
| CARBETO DE SILICIO SIKA BRASIL LTDA | 445 |
| FIVEN NORGE AS POSTBOKS | 161 |
| FIVEN NORGE AS | 50 |
| IMERYS FUSED MINERALS SALTO LTDA | 49 |
| OVERSEAS METALLURGY CO LTD | 35 |
Origin countries
| Country | Shipments |
|---|---|
| BRAZIL | 515 |
| GERMANY | 113 |
| JAPAN | 102 |
| NORWAY | 81 |
| BELGIUM | 80 |
| CHINA | 76 |
| INDIA | 45 |
| SWEDEN | 20 |
| SOUTH AFRICA | 20 |
| COLUMBIA | 19 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| NEW YORK/NEWARK AREA, NEWARK, NJ | 502 |
| CHARLESTON, SC | 89 |
| NEW YORK, NY | 82 |
| HOUSTON, TX | 73 |
| BALTIMORE, MD | 71 |
| TACOMA, WA | 61 |
| LOS ANGELES, CA | 58 |
| NORFOLK, VA | 43 |
| BOSTON, MA | 39 |
| GRAMERCY, LA | 34 |
Harmonized System classification
HS code 284920 — Carbides, whether or not chemically defined of silicon. 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 Carbides, whether or not chemically defined of silicon
Who imports Carbides, whether or not chemically defined of silicon (HS 284920)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Carbides, whether or not chemically defined of silicon include SAINT GOBAIN CERAMICS INC, MORGAN AM & T PURE CARBON DIVISION, SAINT GOBAIN ABRASIVES INC, COORSTEK INC, and SAINT GOBAIN ABRASIVES.
Who is the largest U.S. importer of Carbides, whether or not chemically defined of silicon?
SAINT GOBAIN CERAMICS INC is the largest U.S. importer of Carbides, whether or not chemically defined of silicon (HS 284920), with 81 bill-of-lading shipment records.
Who are the top suppliers of Carbides, whether or not chemically defined of silicon?
Leading suppliers shipping Carbides, whether or not chemically defined of silicon (HS 284920) to the U.S. include CARBETO DE SILICIO SIKA BRASIL LTDA, FIVEN NORGE AS POSTBOKS, FIVEN NORGE AS, IMERYS FUSED MINERALS SALTO LTDA, and OVERSEAS METALLURGY CO LTD.
How many U.S. shipments of Carbides, whether or not chemically defined of silicon are there?
ImportDoor has 1,126 U.S. import shipment records under HS code 284920, spanning Mar 2019 to Jul 2026.
Where is Carbides, whether or not chemically defined of silicon imported from?
Carbides, whether or not chemically defined of silicon is imported into the U.S. primarily from BRAZIL, GERMANY, and JAPAN.
Find Carbides, whether or not chemically defined of silicon importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 284920, with contact details and container-level shipment records on ImportDoor.
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