ISO 6743

ISO classification for lubricants, industrial oils and products used (Class L)

This classification comprises 18 families, to which the products are assigned according to their usage in such a way that, if possible, all types of usages of lubricants, industrial oils and products have been compiled; overview in DIN ISO 6743 Part 0

Comparison of the family code letters according to ISO 6743/0 and the code letters according to DIN 51502

Code letters		Note on subsequent section with the classification in detail according to ISO 6743	Code letters according to DIN 51502/8.90 Table 1 and 8
	Loss lubrication	Section 1	AN, B
	Sheathing and moulding	1)	FS
	Gear	Section 62)	C, Hyp.
	Condenser (including cooling and vacuum pumps)	Section 3 A/B	K, V
	Combustion engines	1)	HD
	Spindle bearing, bearing, as well as bearing with couplings	Section 2	C
	Sliding guides	Section 13	CG
	Hydraulic systems	Section 4	H, HV, HF, ATF
	Metal processing	Section 7	S, W
	Electric insulation	1)	J
	Compressed air tools	Section 11	D
	Heat transfer	Section 12	Q
	Temporary corrosion inhibitor	Section 8	R
	Turbines	Section 5	TD
	Thermal treatment	2)	L
	Applications requiring lubricants	Section 9	K, G, OG, M
	Other applications	Section 10	F
	Steam cylinder	1)	Z

1. Being prepared
2. In draft stage (ISO/DIS)