EN 10216-1 P195 Seamless Steel Tubes for Pressure Purposes 

Standard:EN 10216-1 Seamless steel tubes for pressure purposes – Technical delivery conditions – Part 1: Non-alloy steel tubes with specified room temperature properties EN 10216-1 Standard specifies the technical delivery conditions for two qualities TR1 and TR2 of seamless tubes of circular cross section with specified room temperature properties made of non-alloy quality steel. EN 10216-1 P195 Seamless steel tubes for pressure purposes,Non-alloy steel tubes with specified room temperature properties.   EN 10216-1 P195 Seamless steel tubes for pressure purposes Quick Details Manufacture:Seamless process Out Dimensions: 14mm-509mm Wall Thickness: 2mm-50mm Length: Fixed(6m,9m,12,24m) or normal length(5-12m) Ends: Plain End, Beveled End, Treaded   The steel name: (1)the capital letter P for pressure purposes; (2)the alphanumeric TR1 for qualities without specified aluminium content, impact properties and specific inspection and testing requirements ; (3)the alphanumeric TR2 for qualities with specified aluminium content, impact properties and specific inspection and testing requirements.   Tube manufacture and delivery conditions The tubes shall be manufactured by a seamless process. The forming operations and delivery conditions are shown in Table 1.

Table 1 — Forming operations and delivery conditions

Forming operation	Quality	Delivery condition
Hot formed	TR1	As formed or normalized or normalizing-formed
	TR2	Normalized or normalizing-formed
Hot formed + cold finished	TR1 and TR2	Normalized

  Chemical composition of EN 10216-1 P235   Chemical composition (cast analysis) a in % by mass for quality TR1

Steel grade	Steel number	C max.	Si max.	Mn max.	P max.	S max.	Cr max.	Mo max	Ni max.
P235TR1	1.0254	0,16	0,35	1,20	0,025	0,020	0,30	0,08	0,30

  Mechanical properties of EN 10216-1 P235 Mechanical properties for quality TR2

Steel grade		Tensile properties						Impact properties
Steel name	Steel number	Upper yield strength R eH b min. for Wall Thickness T mm			Tensile Strength R m	Elongation A min. % b c		Minimum average absorbed energy KV 2 J at a temperature of °C c
		T ≤ 16	16 < T ≤ 40	40 < T ≤ 60				l		t
		MPa *	MPa *	MPa *	MPa *	l	t	0	-10	0
P235TR2	1.0255	235	225	215	320 to 440	25	23	40	28 d	27

Inspection Types of inspection non-specific or specific inspection for quality TR1; specific inspection for quality TR2. Testings (1)Chemical analysis (2)Tensile test (3)Impact test (4)Leak tightness test(Hydrostatic test) (5)Electromagnetic test (6)Dimensional inspection (7)Visual examination (8)Non-Destructive Testing   Options 1) Delivery condition normalized or normalizing-formed for TR1; 2) restriction on copper and tin contents; 3) product analysis; 4) verification of longitudinal impact testing at −10 °C for quality TR2 ; 5) selection of method for verification of leak-tightness ; 6) Non-Destructive Testing for quality TR2 ; the test method shall be specified by the purchaser; 7) special end preparation ; 8) exact lengths ; 9) test unit restriction for tubes with D ≤ 76,1 mm of quality TR2 ; 10) wall thickness measurement away from the ends; 11) additional marking;