Quality	Standard	Material No.	Possible Surface Coating:
HC300LA, HC300LA+ZE	DIN EN 10268	1.0489	+ZE according to DIN EN 10152

Testing direction	Yield Point Re (MPa)	Tensil Strength Rm (MPa)	Elongation A80 (in %)
Q	300 – 380	380 – 480	≥ 23
L	280 – 360	370 – 470	≥ 24

We would like to introduce you to the cold-rolled micro-alloyed HC300LA steel in accordance with the DIN EN 10268 standard. This type of steel belongs to the group of low-alloy/micro-alloy steels (LA), which are specially alloyed to achieve the required yield strength values. By adding elements such as niobium (Nb), titanium (Ti) and vanadium (V), a combination of hardening by precipitation and grain refinement is achieved. This makes it possible to achieve a high mechanical resistance with a comparatively low content of alloying elements.

The use of micro-alloyed steels such as HC300LA offers various advantages. On the one hand, the suitability for welding is improved, which is an important property for many applications. On the other hand, the steel alloy is also well suited for certain forming processes, especially cold forming, although this property is limited. These steels are therefore often used in reinforcement parts where high strength and good workability are required.

Another important aspect when using HC300LA steel is its impact and fatigue resistance. Due to the special alloy and structure, this type of steel has increased resistance to loads caused by impacts or repeated load changes. This makes it particularly suitable for applications where high reliability and durability are required.

It is important to note that choosing the right type of steel for a particular application is crucial. Although HC300LA steel has many positive properties, it is important to consider the specific requirements and conditions of each application. For example, certain forming processes or environmental conditions can influence the choice of material.

Overall, the cold-rolled micro-alloyed HC300LA steel offers an excellent combination of strength, workability and resistance to impact and fatigue loads in accordance with the DIN EN 10268 standard. Its versatility makes it an attractive option for a wide range of applications in various industries.

Cold-rolled micro-alloyed HC300LA steel is a high-quality material that is widely used in various industrial applications. One technical property of this steel that is particularly noteworthy is its ability to be electrolytically galvanized. This allows the HC300LA steel to be evenly coated with a layer of zinc, which not only increases its corrosion resistance but also extends its service life. Electrolytic galvanizing offers an effective way of using HC300LA steel for applications where high resistance to corrosion and a long service life are required. This technical feature extends the possible uses of HC300LA steel and makes it an attractive option for a wide range of industrial applications.

Characteristic overlay factor	Nominal zinc coating per side Thickness µm	Nominal zinc coating per side Mass g/m²	Minimum value per side Thickness µm	Minimum value per page Mass g/m²
ZE25/25	2,5	18	1,7	12
ZE50/50	5,5	36	4,1	29
ZE75/75	7,5	54	6,6	47
ZE100/100	10,0	72	9,1	65

Code letters	Type of surface treatment
P	phosphated
PC	Phosphated and chemically treated
C	chemically passivated
PCO	Phosphated, chemically treated and oiled
CO	Chemically passivated and oiled
PO	Phosphated and oiled
O	oiled
S	sealed
U	galvanized, without surface treatment