Why do Vietnam and Turkey supply over 63% of US seaborne cement imports?

Both countries operate massive coastal dry-process kilns built specifically for deepwater export, featuring captive deepwater berths capable of loading 50,000–60,000 MT Supramax bulkers at 15,000 MTPD. Combined with modern low-alkali raw materials and competitive production costs, delivered CIF pricing into the US Gulf and West Coast remains highly attractive compared to inland domestic rail delivery.

What ASTM standards must imported cement meet for US ready-mix concrete use?

Imported cement must comply with ASTM C150 Type I (general use) or Type II (moderate sulfate resistance / moderate heat of hydration). Critical parameters include compressive strength (≥12 MPa at 3 days, ≥19 MPa at 7 days, ≥28 MPa at 28 days), Blaine fineness (≥360 m²/kg), tricalcium aluminate (C3A ≤ 8.0% for Type II), and equivalent alkalies (Na2O + 0.658 K2O ≤ 0.60% for low-alkali applications).

How are bulk cement vessels discharged without environmental dust emissions?

Vessels discharge either via self-unloading pneumatic systems or shore-based enclosed continuous mechanical unloaders (screw or vacuum conveyors) pumping directly into coastal storage silos or covered barge fleets under negative pressure baghouse filtration, strictly meeting US Clean Air Act and local air quality district limits.

What commercial settlement terms govern bulk cement import contracts?

Shipments are structured on CFR or CIF liner out terms, settled via 100% Irrevocable Documentary Letter of Credit (L/C) at sight against presentation of ocean bills of lading, independent load-port SGS/Saybolt draft survey and quality assay, and certified manufacturer Mill Test Report.

North America · United States

US Coastal Cement & Clinker Import Gateway

1,930,000+ tonnes monthly of Portland Cement (ASTM C150 Type I/II) and Clinker entering US Gulf, Atlantic, and Pacific deepwater terminals from Vietnam and Turkey

Rapid infrastructure expansion, commercial logistics development, and residential construction along the U.S. Sunbelt and coastal regions continuously outpace domestic cement kiln capacity. To satisfy regional cement deficits without exorbitant overland freight costs, ready-mix conglomerates and independent distributors rely on deep-sea bulk imports of ASTM C150 Type I/II Portland Cement and ASTM C1157 performance cements. Official U.S. Census Bureau customs declarations recorded 1,933,001 metric tonnes of finished Portland cement imported by ocean vessel in July 2026 valued at USD 124.6 million CIF ($64.49/MT average), alongside 171,719 metric tonnes of bulk hydraulic clinker.

The import trade is heavily dominated by two premier seaborne corridors: Vietnam (650,118 MT in July 2026 at an ultra-competitive USD 38.74/MT CIF), shipping from world-scale coastal dry-process plants in Ninh Binh and Quang Ninh; and Turkey (580,896 MT at USD 56.14/MT CIF), loading from modern Mediterranean and Marmara deepwater berths in Iskenderun, Izmir, and Gebze. Arrivals discharge at dedicated deepwater pneumatic and mechanical unloader terminals in Houston (Ship Channel 45 ft), Gramercy (Lower Mississippi River 50 ft), San Francisco Bay (Redwood City / Stockton), and Newark.

CBIL brokers bulk cement and clinker import stems directly connecting Turkish and Vietnamese manufacturers with certified U.S. distributors and grinding mills. All imported cement carries certified Mill Test Reports (MTR) demonstrating full compliance with ASTM C150 / AASHTO M85 specifications (compressive strength at 3, 7, and 28 days, Blaine fineness ≥360–380 m²/kg, SO3 ≤3.0%, loss on ignition ≤3.0%, equivalent alkalies ≤0.60%), settled under standard documentary credit terms.

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The market in figures

Declared US vessel cement imports, July 2026: 1,933,001 t (USD 124.6 million CIF turnover)
Realized CIF import value: USD 64.49 per metric tonne nationwide average
Top international supplying origins: Vietnam: 650,118 t ($38.74/t CIF) · Turkey: 580,896 t ($56.14/t CIF)
Leading coastal discharge gateways: Houston, TX (328.5k t) · Gramercy, LA (218.5k t) · San Francisco, CA (186.2k t) · Newark, NJ (144.0k t)
Standard product specification: ASTM C150 Type I/II Portland Cement · Blaine Fineness ≥360 m²/kg · C3S ≥55% · C3A ≤8%

Official trade data; sources listed below. Landed values are the importing country's declared CIF, not CBIL prices.

Questions buyers ask

Why do Vietnam and Turkey supply over 63% of US seaborne cement imports?: Both countries operate massive coastal dry-process kilns built specifically for deepwater export, featuring captive deepwater berths capable of loading 50,000–60,000 MT Supramax bulkers at 15,000 MTPD. Combined with modern low-alkali raw materials and competitive production costs, delivered CIF pricing into the US Gulf and West Coast remains highly attractive compared to inland domestic rail delivery.
What ASTM standards must imported cement meet for US ready-mix concrete use?: Imported cement must comply with ASTM C150 Type I (general use) or Type II (moderate sulfate resistance / moderate heat of hydration). Critical parameters include compressive strength (≥12 MPa at 3 days, ≥19 MPa at 7 days, ≥28 MPa at 28 days), Blaine fineness (≥360 m²/kg), tricalcium aluminate (C3A ≤ 8.0% for Type II), and equivalent alkalies (Na2O + 0.658 K2O ≤ 0.60% for low-alkali applications).
How are bulk cement vessels discharged without environmental dust emissions?: Vessels discharge either via self-unloading pneumatic systems or shore-based enclosed continuous mechanical unloaders (screw or vacuum conveyors) pumping directly into coastal storage silos or covered barge fleets under negative pressure baghouse filtration, strictly meeting US Clean Air Act and local air quality district limits.
What commercial settlement terms govern bulk cement import contracts?: Shipments are structured on CFR or CIF liner out terms, settled via 100% Irrevocable Documentary Letter of Credit (L/C) at sight against presentation of ocean bills of lading, independent load-port SGS/Saybolt draft survey and quality assay, and certified manufacturer Mill Test Report.

Sources

U.S. Census Bureau International Trade Data, HS 2523.29 & HS 2523.10 vessel imports, July 2026 declarations (read 20 Sep 2026).
ASTM C150 / C150M Standard Specification for Portland Cement.
Portland Cement Association (PCA), U.S. Cement Consumption & Trade Reports (2026).
CBIL Cementitious Materials Monograph CBIL-INTEL-CEMENT-US-IMPORTS-2026.