A pipe comprising polyethylene, wherein the polyethylene is produced in the presence of a solid catalyst component and a co-catalyst, wherein the solid catalyst component is prepared by a process comprising the steps of: (a) contacting a dehydrated support having hydroxyl groups with a magnesium compound having the general formula MgR1R2, wherein R1 and R2 are the same or different and are independently selected from the group comprising an alkyl group, alkenyl group, alkadienyl group, aryl group, alkaryl group, alkenylaryl group and alkadienylaryl group; (b) contacting the product obtained in step (a) with modifying compounds, and, wherein: is at least one compound selected from the group consisting of carboxylic acid, carboxylic acid ester, ketone, acyl halide, aldehyde and alcohol; is a compound having the general formula R11f gSiXh, wherein f, g and h are each integers from 0 to 4 and the sum of f, g and h is equal to 4 with a proviso that when h is equal to 4 then modifying compound is not an alcohol, Si is a silicon atom, O is an oxygen atom, X is a halide atom and R11 and R12 are the same or different and are independently selected from the group comprising an alkyl group, alkenyl group, alkadienyl group, aryl group, alkaryl group, alkenylaryl group and alkadienylaryl group; is a compound having the general formula (R13O)4M, wherein M is a titanium atom, a zirconium atom or a vanadium atom, O is an oxygen atom and R13 is selected from the group comprising an alkyl group, alkenyl group, alkadienyl group, aryl group, alkaryl group, alkenylaryl group and alkadienylaryl group; and (c) contacting the product obtained in step (b) with a titanium halide compound having the general formula TiX4, wherein Ti is a titanium atom and X is a halide atom, whereby the polyethylene has a molecular weight Mz+1 of at least 720,000 g/mol and less than 2,500,000 g/mol, wherein the polyethylene has a density of about 910 kg/m 3 to about 925 kg/m 3, and wherein the polyethylene has a molecular weight distribution of 3.6 to 5.5. (a) contacting a dehydrated support having hydroxyl groups with a magnesium compound having the general formula MgR1R2, wherein R1 and R2 are the same or different and are independently selected from the group comprising an alkyl group, alkenyl group, alkadienyl group, aryl group, alkaryl group, alkenylaryl group and alkadienylaryl group; (b) contacting the product obtained in step (a) with modifying compounds, and, wherein: is at least one compound selected from the group consisting of carboxylic acid, carboxylic acid ester, ketone, acyl halide, aldehyde and alcohol; is a compound having the general formula R11f gSiXh, wherein f, g and h are each integers from 0 to 4 and the sum of f, g and h is equal to 4 with a proviso that when h is equal to 4 then modifying compound is not an alcohol, Si is a silicon atom, O is an oxygen atom, X is a halide atom and R11 and R12 are the same or different and are independently selected from the group comprising an alkyl group, alkenyl group, alkadienyl group, aryl group, alkaryl group, alkenylaryl group and alkadienylaryl group; is a compound having the general formula (R13O)4M, wherein M is a titanium atom, a zirconium atom or a vanadium atom, O is an oxygen atom and R13 is selected from the group comprising an alkyl group, alkenyl group, alkadienyl group, aryl group, alkaryl group, alkenylaryl group and alkadienylaryl group; and is at least one compound selected from the group consisting of carboxylic acid, carboxylic acid ester, ketone, acyl halide, aldehyde and alcohol; is a compound having the general formula R11f gSiXh, wherein f, g and h are each integers from 0 to 4 and the sum of f, g and h is equal to 4 with a proviso that when h is equal to 4 then modifying compound is not an alcohol, Si is a silicon atom, O is an oxygen atom, X is a halide atom and R11 and R12 are the same or different and are independently selected from the group comprising an alkyl group, alkenyl group, alkadienyl group, aryl group, alkaryl group, alkenylaryl group and alkadienylaryl group; is a compound having the general formula (R13O)4M, wherein M is a titanium atom, a zirconium atom or a vanadium atom, O is an oxygen atom and R13 is selected from the group comprising an alkyl group, alkenyl group, alkadienyl group, aryl group, alkaryl group, alkenylaryl group and alkadienylaryl group; and (c) contacting the product obtained in step (b) with a titanium halide compound having the general formula TiX4, wherein Ti is a titanium atom and X is a halide atom, whereby the polyethylene has a molecular weight Mz+1 of at least 720,000 g/mol and less than 2,500,000 g/mol, wherein the polyethylene has a density of about 910 kg/m 3 to about 925 kg/m 3, and wherein the polyethylene has a molecular weight distribution of 3.6 to 5.5.