high grade P195GH P235GH P265GH S355J2H S335J0H low temperature Carbon Steel Pipe tube

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Description

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P195GH P235GH P265GH S355J2H S335J0H low temperature Carbon Steel Pipe tube

????Description: Seamless steel tubes for pressure purposes.

Standard: EN10210-1, EN10216-2.

Applications: Used for piping in boilers.

Available steel grades: 195GH, P235GH, P265GH, S335J2H, S335J0H.

Specifications: O.D.: 6.0~1200mm; W.T.: 1~150mm; L: 5.8m; 11.8m; 12m or above. Modified specifications according to customer requirements.

Technology: Hot Rolled, Cold Drawn & Cold Rolled.

Chemical Composition and Mechanical Properties:

Standard

Grade

Chemical Composition

Mechanical Properties

Cr=

(MPa)

EN10216-2

195GH

=0.13

=0.35

=0.70

0.025

0.02

0.3

=0.08

320~440

=195

=27

=25

P235GH

=0.16

=0.35

=1.20

0.025

0.02

0.3

=0.08

360~500

=235

=25

=23

P265GH

=0.20

=0.40

=1.40

0.025

0.02

0.3

=0.08

410~570

=265

=23

=21

Chemical Composition:

Steel grade		Type of deoxidationa	% by mass, maximum
			C		Si	Mn	P	S	N^bc
			Specified thickness (mm)
Steel name	Steel number		= 40	>40 =120
S235JRH	1.0039	FN	0,17	0,20	—	1,40	0,040	0,040	0,009
S275J0H	1.0149	FN	0,20	0,22	—	1,50	0,035	0,035	0,009
S275J2H	1.0138	FF	0,20	0,22	—	1,50	0,030	0,030	—
S355J0H	1.0547	FN	0,22	0,22	0,55	1,60	0,035	0,035	0,009
S355J2H	1.0576	FF	0,22	0,22	0,55	1,60	0,030	0,030	—
S355K2H	1.0512	FF	0,22	0,22	0,55	1,60	0,030	0,030	—
a. The deoxidation methods are designated as follows:
FN = Rimming steel not permitted
FF = Fully killed steel containing nitrogen binding elements in amounts sufficient to bind available nitrogen
(e.g. min. 0,020 % total Al, or 0,015 % soluble Al).
b. It is permissible to exceed the specified values provided that for each increase of 0,001 % N the P max. content is also reduced by 0,005 %. The N content of the cast analysis, however, shall not be more than 0,012 %.
c. The maximum value for nitrogen does not apply if the chemical composition shows a minimum total Al content of 0,020 % with a minimum Al/N ratio of 2:1, or if sufficient other N-binding elements are present. The N-binding elements shall be recorded in the Inspection Document.

Mechanical Properties:

Steel grade		Minimum yield strength ReH						Tensile strength Rm			Minimum elongation A a b				Minimum impact energy KV d
		MPa						MPa			%				J
steel name	steel number	Specified thickness						Specified thickness			Specified thickness				Specified thickness
		mm						mm			mm				mm
		= 16	= 16	> 40	> 63	> 80	> 100	= 3	> 3	> 100	= 40	> 40	> 63	> 100	-20°C	0°C	20°C
			= 40	=63	= 80	= 100	= 120		= 100	= 120		=63	= 100	= 120
S235JRH	1.0039	235	225	215	215	215	195	360-510	360-510	350-500	26	25	24	22	/	/	27
S275J0H	1.0149	275	265	255	245	235	225	430-580	410-560	400-540	23	22	21	19	/	27	/
S275J2H	1.0138														27	/	/
S355J0H	1.0547	355	345	335	325	315	295	510-680	470-630	450-600	22	21	20	18	/	27	/
S355J2H	1.0576														27	/	/
S355K2H	1.0512														40 e	/	/
a Longitudinal values. Transverse values are 2 % lower.
b For thicknesses < 3 mm, see 9.2.2.
c The impact properties are verified only when Option 1.3 is specified.
d For impact properties for reduced section test pieces see 6.6.2.
e This value corresponds to 27J at –30 °C (see EN 1993-1-1).