BS EN 10216-2 P195GH P235GH P265GH

BS EN 10216-2 Seamless steel tubes for pressure purposes – Technical delivery conditions – part 2:Non- alloy and alloy steel tubes with specified elevated temperature

This Part of EN10216 specifies the technical delivery conditions in two categories for seamless tubes of circular cross section, with specified elevated temperature properties, made of non-alloy and alloy steel.

Steel Grade: P195GH  Steel Number: 1.0348

Steel Grade: P235GH  Steel Number: 1.0345

Steel Grade: P265GH  Steel Number: 1.0425

Chemical composition (cast analysis)a, in % by mass
ElementsP195GHP235GHP265GH
C≤0.13≤0.16≤0.20
Si≤0.35≤0.35≤0.40
Mn≤0.70≤1.20≤1.40
P  max0.0250.0250.025
max0.0200.0200.020
Cr≤0.30≤0.30≤0.30
Mo≤0.08≤0.08≤0.08
Ni≤0.30≤0.30≤0.30
Al total≥0.020 b≥0.020 b≥0.020 b
Cu≤0.30 c≤0.30 c≤0.30 c
Nb≤0.010 d≤0.010 d≤0.010 d
Ti  max≤0.040≤0.040≤0.040
V≤0.02≤0.02≤0.02
Cr+Cu+Mo+Ni≤0.70≤0.70≤0.70

a Elements not included in this Table shall not be intentionally added to the steel without the agreement of the purchaser, except for elements which may be added for finishing the cast. All appropriate measures shall be taken to prevent the addition of undesirable lelments from scrap or other materials used in the steel making process.
b This requirement is not applicable provided the steel contains a sufficient amount of other nitrogen binding elements which shall be reported. When using titanlum, the producer shall verify that (Al+Ti/2)≥0.020%.
c Option 2: In order to facilitate subsequent forming operations, an agreed maximum copper content lower than indicated and an agreed specified maximum tin content shall apply.
d The content of these elements need not to be reported unless intentionally added to the cast.

 

Mechanical properties

Steel gradeTensile properties at room temperatureImpact properties a b
Upper yield stength or proof strength ReH or RP0.2 for Wall Thickness T min.Tensile Strength RmElongation A min. % aMinimum average absorbed energy KV J at a temperature of ℃
T ≤1616<T≤4040<T≤6060<T≤100ltlt
MpaMpaMpaMpaMpa200-10200
P195GH195320 to 440272540 c28 d27 c
P235GH235225215360 to 500252340 c28 d27 c
P265GH265255245410 to 570232140 c28 d27 c

a l=longitudinal t=transverse
b To be verified when options 4 and 5 are/is specified.
c Option 4: Impact energy shall be verified.
d Option 5: Longitudinal impact energy shall be verified.