Tubes

Steel tubes suitable for threading

Standards
ČSN	DIN	inch	Wall thickness t
425710	2440	3/8"-6"	2,35-4,85

Thicker tubes suitable for threading

Standards
ČSN	DIN	inch	Wall thickness t
425711	2441	3/8"-6"	2,90-5,40

Seamless tubes

Standards
ČSN	DIN	inch	Wall thickness t
425715	2448	20,0-508,0	2,6-36,0

Longitudinal welded pipes

Standards
ČSN	DIN	Outer diameter D	Wall thickness t
425723	2458	14,0-152,0	1,0-4,0

Welded tubes with spiral weld

Standards
	ČSN	Outer diameter D	Wall thickness t
	425738	324,0-1420,0	5,0-12,0

Seamless tubes steel grade 17 – hot drawn

Standards
ČSN	DIN	Outer diameter D	Wall thickness t
425750	2462	44,5-377,0	3,6-36,0

Precision seamless tubes

Standards
ČSN	DIN	Outer diameter D	Wall thickness t
426711	2391	With higher accuracy 4,0-200,0	0,5-10,0

Precision seamless tubes

Standards
ČSN	DIN	Outer diameter D	Wall thickness t
426713	2394	12,0-102,0	1,0-3,0

Precision welded tubes with higher accuracy

Standards
ČSN	DIN	Outer diameter D	Wall thickness t
426714	2393	5,0-100,0	0,5-3,0

Precision seamless tubes steel grade 17 – cold drawn

Standards
ČSN	DIN	Outer diameter D	Wall thickness t
426750	2462	6,0-159,0	1,0-12,5

Seamless tubes for oil, gas and water output

Well casing are seamless hot rolled tubes with a special right handed thread on both ends of tubes in compliance with API 5B. They are used for well casing during oil, natural gas and water output. The tubes are joint by collar.
Production, examination, deliveries are determined by technical delivery standards according to API Spec. 5T.
We supply well casings and collars casing made of materials API grades H-40, J-55, K-55 and N-80

Standards
Outer diameter D	Collar´s outer diameter	ube length
426750	Od 269,9 - 365,1mm	Od 4,88 - 14,63m

LINE PIPE

Seamless hot rolled tubes are supplied with upright ends or calibrated bevel ends
Tubes are delivered in compliance with API Spec. 5L

Standards
Outer diameter of tube D	Tube length
Od 168,3-406,4mm	Od 2,74-13,72m