ThyssenKruppMaterialsInternational
Seamlesscarbonsteelpipeforhigh-temperatureservice
MaterialDataSheet
Steeldesignation:
Name
Standard
GradeA
P235GH ASTM/ASMEA106
1.0354 GradeB
P265GH ASTM/ASMEA106
1.0425 GradeC
17Mn4/P295GH ASTM/ASMEA106
1.0481 Scope
Thisdatasheetappliesforseamlesscarbonsteelpipesforhigh-temperatureservice.
Application
Thesesteelsareamongstothersnecessaryforconstructionpartsinsteamgenerationplants,ase.g.vessel,pipes,adapter
andcollectors.Theycanbeusedinpermanentoperationwithtemperaturesuptoabout475°C"880°F&.
Chemicalcomposition"Heatanalysisin%&
C
Si
Mn
P
S
Crd
Cud
Mod
Nid
Vd
max.
min.
Max.
max.
max.
max.
max.
max.
max.
max.
GradeA
0,25b
0,10
0,27-0,93
0,035
0,035
0,40
0,40
0,15
0,40
0,08
P235GH*a
0,16
0,35
1,20
0,025
0,020
0,30
0,30
0,08
0,30
0,02
GradeB
0,30c
0,10
0,29-1,06
0,035
0,035
0,40
0,40
0,15
0,40
0,08
P265GH*a
0,20
0,40
1,40
0,025
0,020
0,30
0,30
0,08
0,30
0,02
GradeC
0,35c
0,10
0,29-1,06
0,035
0,035
0,40
0,40
0,15
0,40
0,08
17Mn4**a
"P295GH&
0,080,20
0,40
0,90-1,50
0,025
0,010
0,30
0,30
0,08
0,30
0,02
Name
*
Cr+Cu+Mo+Ni≤0.0
** NotstandardizedinEN10216-2.ValuestakenfromEN10028-2.
a
Almin.0,2-Thisrequirementdoesnotapply,ifthesteelcontainsothernitrogenbindingelementsinasufficientcontent,whichthanhastobe
recorded.Iftitaniumisinserted,themanufacturerhastoprovethat  Al + Ti  ≥ 0,020 % .



b
2
Foreachreductionof0.1%belowthespecifiedcarbonmaximum,anincreaseof0,06%manganeseabovethespecifiedmaximumwillbe
permitteduptoamaximumof1.35%.
c Unlessotherwisespecifiedbythepurchaser,foreachreductionof0.1%,belowthespecifiedcarbonmaximum,anincreaseof0.06%manganese
abovethespecifiedmaximumwillbepermitteduptoamaximumof1.65%.
d
Thefiveelementscombinedshallnotexceed1%.
Page 1 Material data sheet ASTM A106
09/2011
ThyssenKruppMaterialsInternational
Mechanicalpropertiesatroomtemperature
Name
GradeA*
P235GH*
P235GH*
GradeB*
P265GH*
P265GH*
GradeC*
17Mn4*a
"P295GH&
Yield/proof
strength
Product
thickness
mm
Tensilestrength
Rm
N/mm²
ReH/Rpo,2
N/mm²
min.
-
205
T ≤16
235
16< T≤40
225
40< T≤60
215
-
240
T ≤16
265
16< T≤40
255
40< T≤60
245
-
275
t ≤16
295
16< t≤40
290
40< T≤60
285
Minimumaverageimpact
energyKV
J
Atatemperaturein°Cof
Elongation
min.
longitudinal
longitudinal
transverse
min.330
c
c
35 25 360-500
25
23
min.415
30b
16,5b
410-570
21
19
min.485
30b
460-580
21
transverse
0
-10
0
-
-
-
-
-
40c
28d
-
27
-
-
-
-
-
40c
28d
-
27
16,5b
-
-
-
19
-
-
27
DeliveryconditionN=normalizingincl.normalizingforming
*
a
NotstandardizedinEN10126-2.ValuestakenfromEN10028.
b
AccordingtoTable2ofA106/A106M
c
Option4:Theimpacttesthastobeproved.
d
Option5:Theimpacttestinlongitudinaldirectionhastobeproved.
MinimumvaluesoftheproofstrengthRp0,2atelevatedtemperatures
0,2%-Proofstrengthatthetemperature°FinKsi
Name
a
200
300
400
500
600
700
800
900
1000
GradeA
ASMEB31.3a
16,0
16,0
16,0
16,0
15,3
12,5
9,2
5,9
2,5
GradeA
ASMEB31.1b
13,7
13,7
13,7
13,7
13,7
12,5
9,0
-
-
GradeB
ASMEB31.3a
20,0
20,0
19,9
19,0
17,9
16,7
11,4
5,9
2,5
GradeB
ASMEB31.1b
17,1
17,1
17,1
17,1
17,0
15,6
10,8
-
-
GradeC
ASMEB31.3a
23,3
23,3
22,8
21,7
20,4
18,3
12,0
-
-
GradeC
ASMEB31.1b
20,0
20,0
20,0
20,0
20,0
18,3
12,0
-
-
ASME31.3-ProcessPiping
b
ASME31.1-PowerPiping
ConversionFahrenheitinCelsius:C="Temp.inF-32&x5/9
ConversionKsiinN/mm²"MPa&:ValueinKsix6,895
Page 2 Material data sheet ASTM A106
09/2011
ThyssenKruppMaterialsInternational
0,2%-Proofstrengthatthetemperature°CinN/mm²"MPa&
Name
100
150
200
250
300
350
400
450
P235GH
198
187
170
15
132
120
112
108
P265GH
226
213
192
171
154
141
134
128
Referencedataforsomephysicalproperties
Modulusofelasticity
kN/mm²at
Densityat
20°C
Thermalconductivity
at20°C
spec.thermal
capacityat20°C
spec.electrical
resistivityat20°C
Kg/dm³
20°C
300°C
400°C
450°C
W/mK
J/kgK
Ωmm²/m
7,85
210
192
184
179
51
461
0,20
Linearcoefficient10–6K-1ofthermalexpansionbetween20°Cand
100°C
200°C
300°C
400°C
450°C
12,5
13,0
13,6
14,1
14,3
Hotforming/Heattreatment"forguidanceonly&
HotForming
HeatTreatment
Temperature°C
CoolingType
Normalizing1&
Stressrelievinganneal2&
CoolingType
1100-950
Air
890-950°C
600-650°C
Air
Normalizing:Holdingtime1minutepermmplatethickness,minimum30minutes
1&
Stressrelievinganneal:Holdingtime1-2minutespermmplatethickness,minimum30minutes
2&
Processing/Welding
Standardweldingprocessesforthesesteelgradesare:
TIG-welding
Arcwelding"E&
MAG-weldingmassivewire
MAG-weldingcoredwire
Submergedarcwelding"SAW&
Dependingontheweldingpositionandtheplatethickness,maybeotherfillermetalshavetobeapplied,whichcanbeasked
inquiredatthemanufacturerincaseofneed.
Forthesesteelgradesasfillermetalthefollowingelectrodesandweldingwiresarerecommended:
Process
Fillermetal
TIG
UnionI52
MAGmassivewire
UnionK52
UnionK56
MAGcoredwire
UnionMV70
UnionBA70
"UnionRV71&
ArcweldingE Phoenix120K
PhoenixSpecialD
SAW
Wire
Powder
UnionS2
"UnionS2&
UV400
"UV306&
Page 3 Material data sheet ASTM A106
09/2011
ThyssenKruppMaterialsInternational
Thesesteelscanbeweldedwithinallthicknessrangesaccordingtotheaforementionedweldingprocessesconsidering
thegeneralrulesoftechnologybyhandandautomaticallywelding.
Thementionedfillermetalsapplyforhighestdemands.Thedetailsinbracketsareforlowerdemands.
Burning,preheating,weldingandstressrelievingannealingshouldoccurunderconsiderationofStahl-Eisen-Material
bulletin088.
Specificationsandstandardsconcerningstressrelievingannealhavetobeobserved.
Remark
Thematerialismagnetizable.
Editor
ThyssenKruppMaterialsInternationalGmbH
TechnicalSales/QualityManagement
AmThyssenhaus1
45128Essen
References
DINEN10216-2:2007-10
ASME/ASTMA106:2010
ASME31.3:2010
ASME31.1:2010
BeuthVerlagGmbH,Postbox,D-10772Berlin
ASTMInternational,100BarrHarborDrive,POBoxC700,
WestConshohocken,PA19428-2959
TheAmericanSocietyofMechanicalEngineers,ThreeParkAvenue,
NewYork,NY10016-5990
BöhlerSchweisstechnikDeutschlandGmbH,Hamm
ImportantHint
Informationgiveninthisdatasheetaboutpropertyorapplicabilityofmaterialsrespectiveproductsareno
assuranceofcharacteristicsbutservefordescription.
Information,withwhichweliketoadviseyou,relatetotheexperienceoftheproducersandourown.
Warrantyfortheresultsofthetreatmentandapplicationoftheproductscannotbegranted.
Page 4 Material data sheet ASTM A106
09/2011