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Seamless steel pipes in large calibers for high(low and middium)pressure boilers
and petrochemical industry
Standards:
GB3087 —— China national standards
GB5310 —— China national standards
ASME SA106 —— American Boiler and Pressure Vessel norms
ASME SA333 —— American Boiler and Pressure Vessel norms
ASME SA335 —— American Boiler and Pressure Vessel norms
DIN17175 —— German industry standards
EN10216-2 —— European pressure piping standards
Uses:
For the low and medium pressure boiler and steam header pipes; for the high-pressure boiler
and steam pipes, and the petrochemical industry pipes.
Steel pipes No. of main production:
10、20、20G、20MnG、25MnG、15CrMoG、12Cr2MoG、12Cr1MoVG、10Cr9Mo1VNb、SA106B、
SA106C、SA333Ⅰ、SA333Ⅵ、SA335 P5、SA335 P11、SA335 P12、SA335P22、SA335 P91、
SA335 P92、ST45.8/Ⅲ、15Mo3、13CrMo44、10CrMo910、15NiCuMoNb5-6-4
Dimensional tolerance:
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Pipe types
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Outer-caliber（D）
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Thickness（S）
|
|
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Pipe outer-caliber(mm)
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Allowable warp(mm)
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Pipe thickness(mm)
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Allowable warp(mm)
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Hot-rolled pipes
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＞219～457
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±1.0％
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≤20
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－10％，＋12.5％
|
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＞20～40
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－10％，＋10％
|
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＞457～1066
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±0.9％
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＞40～70
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－7％，＋9％
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＞70～120
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－6％，＋8％
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Mechanical Properties:
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Standards
|
Steel pipes No.
|
Tensile strength（MPa）
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Bend strength（MPa）
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Elongation（％）
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Impact energy（J）
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Hardness
|
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GB3087
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10
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335～475
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≥195
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≥24
|
|
/
|
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20
|
410～550
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≥245
|
≥20
|
|
/
|
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GB5310
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20G
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410～550
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≥245
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≥24
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≥35
|
/
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20MnG
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≥415
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≥240
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≥22
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≥35
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/
|
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25MnG
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≥485
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≥275
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≥20
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≥35
|
/
|
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15CrMoG
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440～640
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≥235
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≥21
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≥35
|
/
|
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12Cr2MoG
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450～600
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≥280
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≥20
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≥35
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/
|
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12Cr1MoVG
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470～640
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≥255
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≥21
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≥35
|
/
|
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10Cr9Mo1VNb
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≥585
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≥415
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≥20
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≥35
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/
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ASME SA106
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SA106B
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≥415
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≥240
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≥22
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≥35
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/
|
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SA106C
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≥485
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≥275
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≥20
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≥35
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/
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ASME SA333
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SA333Ⅰ級(jí)
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≥380
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≥205
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≥28
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－45≥18
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/
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ASME SA335
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SA335 P11
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≥415
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≥205
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≥22
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≥35
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≤163HB
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SA335 P12
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≥415
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≥220
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≥22
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≥35
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≤163HB
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SA335 P22
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≥415
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≥205
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≥22
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≥35
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≤163HB
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SA335 P5
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≥415
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≥205
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≥22
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≥35
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≤187HB
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SA335 P91
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585～760
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≥415
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≥20
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≥35
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≤250HB
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SA335 P92
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≥620
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≥440
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≥20
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≥35
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250HB
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DIN17175
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ST45.8/Ⅲ
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410～530
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≥255
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≥21
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≥27(DVM)
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/
|
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15Mo3
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450～600
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≥270
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≥22
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≥34(DVM)
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/
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13CrMo44
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440～590
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≥290
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≥22
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≥34(DVM)
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/
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10CrMo910
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480～630
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≥280
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≥20
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≥34(DVM)
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/
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EN10216-2
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15NiCuMoNb5-6-4 (WB36)
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610～780
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≥440
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≥19
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≥40
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/
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Chemical composition:
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Standards
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Steel pipes No.
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Chemical composition（%）
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C
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Si
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Mn
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P
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S
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Cr
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Mo
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Cu
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Ni
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V
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Al
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W
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Nb
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N
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GB3087
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10
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0.07～0.13
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0.17～0.37
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0.38～0.65
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≤0.030
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≤0.030
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0.3～0.65
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/
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≤0.25
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≤0.30
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/
|
/
|
|
|
|
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20
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0.17～0.23
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0.17～0.37
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0.38～0.65
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≤0.030
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≤0.030
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0.3～0.65
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/
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≤0.25
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≤0.30
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/
|
/
|
|
|
|
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GB5310
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20G
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0.17～0.24
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0.17～0.37
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0.35～0.65
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≤0.030
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≤0.030
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≤0.25
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≤0.15
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≤0.20
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≤0.25
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≤0.08
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|
|
|
|
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20MnG
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0.17～0.25
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0.17～0.37
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0.70～1.00
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≤0.030
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≤0.030
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≤0.25
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≤0.15
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≤0.20
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≤0.25
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≤0.08
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|
|
|
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25MnG
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0.23～0.27
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0.17～0.37
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0.70～1.00
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≤0.030
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≤0.030
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≤0.25
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≤0.15
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≤0.20
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≤0.25
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≤0.08
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|
|
|
|
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15CrMo
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0.12～0.18
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0.17～0.37
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0.40～0.70
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≤0.030
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≤0.030
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0.80～1.10
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0.40～0.55
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≤0.20
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≤0.30
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|
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|
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12Cr2MoG
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0.08～0.15
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≤0.50
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0.40～0.70
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≤0.030
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≤0.030
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2.00～2.50
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0.90～1.20
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≤0.20
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≤0.30
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|
|
|
|
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12Cr1MoV
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0.08～0.15
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0.17～0.37
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0.40～0.70
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≤0.030
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≤0.030
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0.90～1.20
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0.25～0.35
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≤0.20
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≤0.30
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0.15～0.30
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|
|
|
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10Cr9Mo1VNb
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0.08～0.12
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0.20～0.50
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0.30～0.60
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≤0.020
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≤0.010
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8.00～9.50
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0.85～1.05
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≤0.20
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≤0.40
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0.18～0.25
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≤0.015
|
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0.06～0.10
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0.03～0.07
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ASME SA106
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SA106B
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0.17～0.25
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≥0.1
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0.70～1.00
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≤0.030
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≤0.030
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|
|
|
|
|
|
|
|
|
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SA106C
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0.23～0.27
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≥0.1
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0.70～1.00
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≤0.030
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≤0.030
|
|
|
|
|
|
|
|
|
|
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ASME SA333
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SA333Ⅰ
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0.09～0.12
|
/
|
0.7～1.00
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≤0.020
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≤0.010
|
|
|
|
|
|
|
|
|
|
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SA333Ⅵ
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0.09～0.12
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≥0.1
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0.9～1.10
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≤0.020
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≤0.010
|
|
|
|
|
|
|
|
|
|
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ASME SA335
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SA335 P11
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0.05～0.15
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0.50～1.0
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0.30～0.60
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≤0.030
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≤0.030
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1.00～1.50
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0.50～1.00
|
|
|
|
|
|
|
|
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SA335 P12
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0.05～0.15
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≤0.50
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0.30～0.61
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≤0.030
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≤0.030
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0.80～1.25
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0.44～0.65
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|
|
|
|
|
|
|
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SA335 P22
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0.05～0.15
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≤0.50
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0.30～0.60
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≤0.030
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≤0.030
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1.90～2.60
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0.87～1.13
|
|
|
|
|
|
|
|
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SA335 P5
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≤0.15
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≤0.50
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0.30～0.60
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≤0.030
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≤0.030
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4.00/
6.00
|
0.45/
0.65
|
|
|
|
|
|
|
|
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SA335 P91
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0.08～0.12
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0.20～0.50
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0.30～0.60
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≤0.020
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≤0.010
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8.00～9.50
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0.85～1.05
|
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≤0.40
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0.18～0.25
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≤0.015
|
|
0.06～0.10
|
0.03～0.07
|
|
SA335 P92
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0.07～0.13
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≤0.50
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0.30～0.60
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≤0.020
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≤0.010
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8.50～9.50
|
0.30～0.60
|
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≤0.40
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0.15～0.25
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≤0.015
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1.50～2.00
|
0.04～0.09
|
0.03～0.07
|
|
DIN 17175
|
ST45.8/Ⅲ
|
≤0.21
|
0.10～0.35
|
0.40～1.20
|
≤0.040
|
≤0.040
|
≤0.30
|
|
|
|
|
|
|
|
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15Mo3
|
0.12～0.20
|
0.10～0.35
|
0.40～0.80
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≤0.035
|
≤0.035
|
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0.25～0.35
|
|
|
|
|
|
|
|
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13CrMo44
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0.10～0.18
|
0.10～0.35
|
0.40～0.70
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≤0.035
|
≤0.035
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0.70～1.10
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0.45～0.65
|
|
|
|
|
|
|
|
|
10CrMo910
|
0.08～0.15
|
≤0.50
|
0.30～0.70
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≤0.025
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≤0.020
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2.00～2.50
|
0.90～1.10
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≤0.30
|
≤0.30
|
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≤0.015
|
|
|
|
|
EN1021 6-2
|
15NiCuMoNb5-6-4 (WB36)
|
≤0.17
|
0.25～0.50
|
0.80～1.20
|
≤0.025
|
≤0.020
|
≤0.30
|
0.25～0.50
|
0.50～0.80
|
1.00～1.30
|
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≤0.05
|
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0.015～0.045
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