Yellow corn, US grades

US corn is graded under USDA FGIS standards. Most export trade is in US No. 2 or No. 3 yellow, with moisture and aflatoxin set in the contract.

Origin

USA · Argentina · Brazil

Packing

Bulk vessel

Usual lot

30,000 MT

Grade factor	No. 1	No. 2	No. 3
Test weight, min	56.0 lb/bu	54.0 lb/bu	52.0 lb/bu
Heat-damaged kernels, max	0.1%	0.2%	0.5%
Damaged kernels, total, max	3.0%	5.0%	7.0%
Broken corn and foreign material, max	2.0%	3.0%	4.0%
Usual contract terms
Moisture	14.5–15.0% max typical
Aflatoxin	20 ppb max (FDA action level, food use)

Inspection

SGS or another agreed surveyor at the load port: certificates of quality and weight.

Terms and payment

FOB, CFR or CIF. Letter of credit at sight.

Source: USDA FGIS, US Standards for Corn (7 CFR 810.404); US FDA aflatoxin action levels. Feed buyers may agree different aflatoxin limits. This sheet is for reference; the specification for your cargo is the one written into your contract. Issued October 2026.