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ASTM Specifications

Concrete Specifications

Cement Types
(ASTM C150 - Standard Specification for Portland Cement)

Type I	Normal
Type II	Moderate sulfate resistance
Type III	High early strength
Type IV	Low heat of hydration
Type V	High sulfate resistance
White Cement	Usually used for Architectural purposes

Blended Hydraulic Cements (ASTM C595)

*Type I S*	Portland blast-furnace slag cement
*Type I P*	Portland-pozzolan cement
*Type I (PM)*	Pozzolan-modified Portland cement
*Type S*	Slag cement
*Type I (SM)*	Slag-modified Portland cement

Masonry Cements

(ASTM C91) Used for mortar for masonry construction, parging and plaster (stucco).

Must never be used for making concrete.

*Type N*	Used in ASTM C 270 Type N and Type O mortars (may be used with Portland or blended cements to produce Type S and Type M mortars).
*Type S*	Used in ASTM C 270 Type S mortar (may be used with Portland or blended cements to produce Type M mortar)
*Type M*	Used in ASTM C 270 Type M mortar without the addition space of other cements or hydrated lime.

Expansive Cements

(ASTM C845) Expands slightly during the early hardening period after setting.

Type E-1 (K)

Type E-1 (M)

Type E-I (S)

Not necessarily covered by ASTM specifications:

Plastic Cement Used for making plaster and stucco

Oil Well Cement Used for sealing oil wells

Note: Because some types of cement may not be readily available in all sections of the United States, it is recommended to determine its availability before specifying a type of Portland cement.

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