Crane duty classifications of cranes

Tabla de contenidos

Crane duty classification is divided into A1-A8 level. If compare with crane work type China’s regulations in the past, roughly equivalent to: A1-A4 light; A5-A6 middle; A7 heavy; A8 extra heavy.
The following table is the common crane duty classification for overhead crane, gantry crane, jib crane and other types of cranes, etc.

Overhead crane duty classification

For different types of overhead crane, the duty classification is also very different. In the following table, the main ducty classificaiton of overhead crane are presented for your reference. If you need to buy overhead crane and to confirm your overhead crane duty classification or duty service classification, please contact loal expert or leave a message below.

Crane type			duty classification
Grúa de arriba	El tipo de anzuelo	Power station installation and maintenance	A1-A3
		In workshop and factory	A3-A5
		Heavy work with workshop and warehouse	A6-A7
	Grab type	Discontinuous load and unload	A6-A7
	Grab type	Continuous load and unload	A8
	Metallurgy type	Used for Lifting work bin	A7-A8
		feed in raw material	A8
		Used for casting	A6-A8
		Used for forging	A7-A8
		Used for quenching	A8
		Used for clamping	A8
		Used for De-cap	A7-A8
		Material rake	A8
		Electromagnet type	A7-A8

Gantry crane duty classification

Grúa de pórtico	General use hook type	A5-A6
	Loading and unloading with the grab bucket	A7-A8
	Power station with hook type	A2-A3
	Shipbuilding mounting hook type	A4-A5
	Used for container	A6-A8

Loading bridge crane duty classification

Loading bridge crane	Yard handling with the grab bucket	A7-A8
	Port with the grab bucket	A8
	Port loading and unloading of containers	A6-A8

Loading bridge crane

Portal jib crane duty classification

Portal jib crane	Installation used hook type	A3-A5
	Hook type used for loading and unloading	A6-A7
	Loading and unloading with the grab bucket	A7-A8

Portal jib crane

Tower crane duty classification

Tower crane	General construction and installation	A2-A4
Tower crane	With bucket loading and unloading of concrete	A4-A6

Tower crane

Crawling crane truck crane duty classification

Crawling crane truck crane	El tipo de anzuelo	A1-A4
Crawling crane truck crane	Grab bucket	A4-A6

Crawling crane truck crane

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