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DIN 17175 ST35.8 View larger

DIN 17175 ST35.8

Other Trade name: DIN 17175 seamless steel tube for elevated temperature St35.8, St45.8, 17Mn4, 19Mn5, 15Mo3, 13CrMo44

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DIN 17175 seamless steel tube for elevated temperature St35.8, St45.8, 17Mn4, 19Mn5, 15Mo3, 13CrMo44

DIN 17175 alloy steel pipe is just a big class,and it has many classifivations. We mainly produce DIN 17175 ST35.8,DIN 17175 ST45.8, and 10CrMo910 steel pipes. This alloy steel pipe is just a big class,and it has many classifivations. We mainly produce DIN 17175 ST35.8,DIN 17175 ST45.8, and 10CrMo910 steel pipes. Steel grade: DIN17175 St35.8 DIN17175 St45.8 15Mo3 13CrMo44 10CrMo910

Chemical Compositions of DIN 17175 steel pipes (%)
GradeCSiMnPSCrMo
St35.8 ≤0.17 0.10-0.35 0.40-0.80 ≤0.040 ≤0.040 / /
St45.8 ≤0.21 0.10-0.35 0.40-1.20 ≤0.040 ≤0.040 / /
15Mo3 0.12-0.20 0.10-0.35 0.40-0.80 ≤0.035 ≤0.035 / 0.25-0.35
13CrMo44 0.10-0.18 0.10-0.35 0.40-0.70 ≤0.035 ≤0.035 0.70-1.10 0.46-0.65
10CrMo910 0.08-0.15 ≤0.50 0.40-0.70 ≤0.035 ≤0.035 0.20-0.25 0.90-1.20
Mechanical Properties of DIN17175 steel pipe
GradeYield Strength (Mpa)Tensile Strength (Mpa)Elongation(%)
St35.8 ≥235 360-480 25
St45.8 ≥255 410-530 21
15Mo3 ≥275 450-600 20
13CrMo44 ≥290 440-590 20
10CrMo910 ≥280 450-600 18

EN 10216-2, Quality P235 GH (formerly DIN 17175, St.35.8 Cl. 1, boiler pipe) P = Pressure 235 = minimum yield strength in N/mm2 GH = tested properties at higher temperatures

OLD New
ExecutionNormSteel grade ExecutionNormSteel grade
Welded DIN 1626 St.37.0   Welded DIN EN 10217-1 P235TR2
Welded DIN 1626 St.52.2   Welded DIN EN 10217-3 P355N
Seamless DIN 1629 St.37.0   Seamless DIN EN 10216-1 P235TR2
Seamless DIN 1629 St.52.2   Seamless DIN EN 10216-3 P355N
Seamless DIN 17175 St.35.8/1   Seamless DIN EN 10216-2 P235GH
Seamless ASTM A106* Grade B   Seamless DIN EN 10216-2 P265GH
Seamless ASTM A333* Grade 6   Seamless DIN EN 10216-4 P265NL

PN-EN 10216-2, DIN 17175 Pipes for pressure purposes with specified elevated temperature properties. Boiler tubes

Boiler tubes are used in heat exchange appliances in which the energy is transferred from one medium to the other. The pipes are manufactured from carbon and low-alloy steel grades which are resistant to loads under high pressure and temperatures. They are used for the construction of power engineering appliances such as: boilers, heating coils, stoves, heaters, heat exchangers.

DIN 17175

Grades: St 35.8, St 45.8, 15Mo3, 13CrMo44, 10CrMo910, 14MoV63

Mechanical properties of seamless steel pipes for elevated temperatures tested in room temperature
Pipe typesSteel gradesTensile strength RmYield limit for walls in mm maxElongation at break (Lo=5do) maxResilience work of the transverse DVM sample J max
Seamless steel pipes for elevated temperatures St 35.8, St 45.8, 15Mo3, 13CrMo44, 10CrMo910, 14MoV63 according to DIN 17175 <\=16>16-<\=40>40-<\=60
MPaMPaMPaMPa1t
St35.8 360-480 235 225 215 25 23 34
St45.8 410-530 255 245 235 21 19 27
15Mo3 450-600 270 270 260 22 20 34
13CrMo44 440-590 290 280 280 22 20 34
10CrMo910 450-600 280 280 270 20 18 34
14MoV63 460-610 310 320 310 20 18 41

Steel gradesCHEMICAL COMPOSITION (LADLE ANALYSIS)  
C% maxSi% maxMn% maxP% maxS% maxCr% maxMo% maxNi% maxV% maxColor code
St35.8 0,17 0,10-0,35 0,40-0,80 0,040 0,040 - - - - White
St45.8 0,21 0,10-0,35 0,40-1,20 0,040 0,040 - - - - Yellow
15Mo3 0,12-0,20 0,10-0,35 0,40-0,80 0,035 0,035 - 0,25- 0,35 - - Yellow and carmine red
13CrMo44 0,10-0,18 0,10-0,35 0,40-0,70 0,035 0,035 0,70- 1,10 0,45- 0,65 - - Yellow and silver
10CrMo910 0,08-0,15 0,50 0,40-0,70 0,035 0,035 2,00- 2,50 0,90- 1,20     Red and green
14MoV63 0,10-0,18 0,10-0,35 0,40-0,70 0,035 0,035 0,30- 0,60 0,50- 0,70 - 0,22- 0,32 Red and silver

Test scope for seamless pipes in both quality stages and the responsibility for test execution

NoTestsStage IStage IIIResponsible for test execution
1 Tensile testing On two pipes per batch in two first batches, on one pipe per every subsequent batch On two pipes per batch in two first batches, on one pipe per every subsequent batch Manufacturer
2 Vibration bending test On pipes according to no 1  On pipes according to no 1 To be negotiated
3 Ring testing At one of the pipe ends according to no 1 Depending on the diameter, for 20% of cylindrical length or partial length, on one side or for 100% of cylindrical length or partial length on both sides, potentially also on one side  To be negotiated
4 Non-destructive testing    All pipes To be negotiated
5 Surface inspection All pipes  All pipes Manufacturer
6 Dimensional testing All pipes  All pipes To be negotiated
7 Tightness testing All pipes  All pipes Manufacturer
8 Room inspection    All alloy pipes Manufacturer
9 Detailed testing no 9, no10 Check analysis To be negotiated  To be negotiated Manufacturer
10 Tensile testing at elevated temperatures If not agreed otherwise, 1 sample per one ladle and in one size or 1 sample per one ladle and annealing (without thermal processing)  If not agreed otherwise, 1 sample per one ladle and in one size or 1 sample per one ladle and annealing (without thermal processing) To be negotiated

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DIN 17175 ST35.8

DIN 17175 ST35.8

Other Trade name: DIN 17175 seamless steel tube for elevated temperature St35.8, St45.8, 17Mn4, 19Mn5, 15Mo3, 13CrMo44

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  • Product Name:DIN 17175 ST35.8
  • Price: $ 1.00
  • Product Width: 0.00 cm
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  • Product Weight: 0.00 kg
  • Description: Other Trade name: DIN 17175 seamless steel tube for elevated temperature St35.8, St45.8, 17Mn4, 19Mn5, 15Mo3, 13CrMo44 Calculate Your Pipe Weight (It will open in new window) Send Enquiry
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