ASTM A106 Data Sheet
Seamlesscarbonsteelpipeforhigh-temperatureservice Material Data Sheet Steeldesignation: Name Standard G
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Seamlesscarbonsteelpipeforhigh-temperatureservice
Material Data Sheet
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&.
Chemical composition "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
Mechanical properties at room temperature
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.
Minimum values of the proof strength Rp0,2 at elevated temperatures 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
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
Reference data for some physical properties 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
Hot forming / Heat treatment "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
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
Important Hint Informationgiveninthisdatasheetaboutpropertyorapplicabilityofmaterialsrespectiveproductsareno assuranceofcharacteristicsbutservefordescription. Information,withwhichweliketoadviseyou,relatetotheexperienceoftheproducersandourown. Warrantyfortheresultsofthetreatmentandapplicationoftheproductscannotbegranted.
Page 4 Material data sheet ASTM A106
09/2011