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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:
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
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Steel pipes No.
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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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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
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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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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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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
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/
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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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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
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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
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0.06～0.10
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0.03～0.07
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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
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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
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0.04～0.09
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0.03～0.07
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DIN 17175
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ST45.8/Ⅲ
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≤0.21
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0.10～0.35
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0.40～1.20
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≤0.040
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≤0.040
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≤0.30
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15Mo3
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0.12～0.20
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0.10～0.35
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0.40～0.80
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≤0.035
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≤0.035
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0.25～0.35
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13CrMo44
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0.10～0.18
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0.10～0.35
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0.40～0.70
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≤0.035
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≤0.035
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0.70～1.10
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0.45～0.65
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10CrMo910
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0.08～0.15
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≤0.50
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0.30～0.70
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≤0.025
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≤0.020
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2.00～2.50
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0.90～1.10
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≤0.30
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≤0.30
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≤0.015
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