Pipe Production

Steel Works

Construction Tubes

K.Β. NIKOLOGIANNIS SONS S.A. produces a full range of hot-dip galvanized steel pipes, in accordance with the EN 10240 standard, for industrial, construction, and general-purpose applications. The company has made significant investments through the installation of modern production lines and the continuous upgrading of its equipment.

Size (mm)	Wall thickness
Size (mm)	1.5	2.0	2.5	3.0	4.0
21	●	●	●
26	●	●	●	●
33	●	●	●	●
38	●	●	●	●
42	●	●	●	●	●
48	●	●	●	●	●
51	●	●	●	●	●
60	●	●	●	●	●
63	●	●	●	●	●
70	●	●	●	●	●
76		●	●	●	●
89		●	●	●	●
114		●	●	●	●
150		●	●	●	●

Size (mm)	Wall thickness
Size (mm)	1.5	2.0	2.5	3.0	4.0
21	●	●	●
26	●	●	●	●
33	●	●	●	●
38	●	●	●	●
42	●	●	●	●	●
48	●	●	●	●	●
51	●	●	●	●	●
60	●	●	●	●	●
63	●	●	●	●	●
70	●	●	●	●	●
76		●	●	●	●
89		●	●	●	●
114		●	●	●	●
150		●	●	●	●

Liquid and Gas Pipes

The KB TUBO steel pipes (EN 10025) meet the requirements of all plumbing and HVAC networks, including water supply, heating, fire protection, and air-conditioning systems, as well as natural gas distribution networks. They are galvanized steel pipes, compliant with the EN 10240 standard, manufactured with welded seams and threaded ends.

Specified outside diameter	Thread Size	Outside Diameter		M Medium series EN 10255
D (mm)	R	max (mm)	min (mm)	Wall Thickness T (mm)	Mass per unit length of bare tube Plain end (kg/m)
21.3	1/2	21.8	21.0	2.6	1.21
26.9	3/4	27.3	26.5	2.6	1.56
33.7	1	34.2	33.3	3.2	2.41
42.4	1 + 1/4	42.9	42.0	3.2	3.10
48.3	1 + 1/2	48.8	47.9	3.2	3.56
60.3	2	60.8	59.7	3.6	5.03
76.1	2 + 1/2	76.6	75.3	3.6	6.42
88.9	3	89.5	88.0	4.0	8.36
114.3	4	115.0	113.1	4.5	12.2

Specified outside diameter	Thread Size	Outside Diameter		M Medium series EN 10255
D (mm)	R	max (mm)	min (mm)	Wall Thickness T (mm)	Mass per unit length of bare tube Plain end (kg/m)
21.3	1/2	21.8	21.0	2.6	1.21
26.9	3/4	27.3	26.5	2.6	1.56
33.7	1	34.2	33.3	3.2	2.41
42.4	1 + 1/4	42.9	42.0	3.2	3.10
48.3	1 + 1/2	48.8	47.9	3.2	3.56
60.3	2	60.8	59.7	3.6	5.03
76.1	2 + 1/2	76.6	75.3	3.6	6.42
88.9	3	89.5	88.0	4.0	8.36
114.3	4	115.0	113.1	4.5	12.2

Table of Chemical Analysis and Mechanical Properties of Steel
Steel Grade		Chemical Composition %				Mechanical properties
Steel Name	Steel Number	C Max	Mn Max	P Max	S Max	Upper Yield Strength Reh (Mpa)	Tensile Strength Rm (Mpa)	Elongation A min %
S235JR	10025	0.10	0.80	0.030	0.030	195	320 to 350	20

Πίνακας χημικής ανάλυσης και μηχανικών ιδιοτήτων χάλυβα
Steel Grade		Chemical Composition %				Mechanical properties
Steel Name	Steel Number	C Max	Mn Max	P Max	S Max	Upper Yield Strength Reh (Mpa)	Tensile Strength Rm (Mpa)	Elongation A min %
S235JR	10025	0.10	0.80	0.030	0.030	195	320 to 350	20

Specified outside diameter	Designation of Thread	Outside Diameter		Type L series EN 10255
D (mm)	R	max (mm)	min (mm)	Wall Thickness T (mm)	Mass per unit length of bare tube Plain end (kg/m)
21.3	1/2	21.7	21.0	2.3	1.08
26.9	3/4	27.1	26.4	2.3	1.40
33.7	1	34.0	33.2	2.9	2.20
42.4	1 + 1/4	42.7	41.9	2.9	2.82
48.3	1 + 1/2	48.6	47.8	2.9	3.25
60.3	2	60.7	59.6	3.2	4.51
76.1	2 + 1/2	76.0	75.2	3.2	5.75
88.9	3	88.7	87.9	3.2	6.75
101.6	3 + 1/2	101.2	100.3	3.6	8.70
114.3	4	113.9	113.0	3.6	9.83

Specified outside diameter	Designation of Thread	Outside Diameter		Type L series EN 10255
D (mm)	R	max (mm)	min (mm)	Wall Thickness T (mm)	Mass per unit length of bare tube Plain end (kg/m)
21.3	1/2	21.7	21.0	2.3	1.08
26.9	3/4	27.1	26.4	2.3	1.40
33.7	1	34.0	33.2	2.9	2.20
42.4	1 + 1/4	42.7	41.9	2.9	2.82
48.3	1 + 1/2	48.6	47.8	2.9	3.25
60.3	2	60.7	59.6	3.2	4.51
76.1	2 + 1/2	76.0	75.2	3.2	5.75
88.9	3	88.7	87.9	3.2	6.75
101.6	3 + 1/2	101.2	100.3	3.6	8.70
114.3	4	113.9	113.0	3.6	9.83