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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¡¢SA333¢ñ¡¢SA333¢ö¡¢SA335 P5¡¢SA335 P11¡¢SA335 P12¡¢SA335P22¡¢SA335 P91¡¢
SA335 P92¡¢ST45.8/¢ó¡¢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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£¾219¡«457
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±1.0£¥
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≤20
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£10£¥£¬£«12.5£¥
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£¾20¡«40
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£10£¥£¬£«10£¥
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£¾457¡«1066
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±0.9£¥
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£¾40¡«70
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£7£¥£¬£«9£¥
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£¾70¡«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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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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/
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20
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410¡«550
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≥245
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≥20
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/
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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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/
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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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/
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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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/
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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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/
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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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SA333¢ñ¼‰(j¨ª)
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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/¢ó
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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:
Standards |
Steel pipes No. |
Chemical composition£¨%£© |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Cu |
Ni |
V |
Al |
W |
Nb |
N |
GB3087 |
10 |
0.07¡«0.13 |
0.17¡«0.37 |
0.38¡«0.65 |
≤0.030 |
≤0.030 |
0.3¡«0.65 |
/ |
≤0.25 |
≤0.30 |
/ |
/ |
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20 |
0.17¡«0.23 |
0.17¡«0.37 |
0.38¡«0.65 |
≤0.030 |
≤0.030 |
0.3¡«0.65 |
/ |
≤0.25 |
≤0.30 |
/ |
/ |
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GB5310 |
20G |
0.17¡«0.24 |
0.17¡«0.37 |
0.35¡«0.65 |
≤0.030 |
≤0.030 |
≤0.25 |
≤0.15 |
≤0.20 |
≤0.25 |
≤0.08 |
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20MnG |
0.17¡«0.25 |
0.17¡«0.37 |
0.70¡«1.00 |
≤0.030 |
≤0.030 |
≤0.25 |
≤0.15 |
≤0.20 |
≤0.25 |
≤0.08 |
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25MnG |
0.23¡«0.27 |
0.17¡«0.37 |
0.70¡«1.00 |
≤0.030 |
≤0.030 |
≤0.25 |
≤0.15 |
≤0.20 |
≤0.25 |
≤0.08 |
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15CrMo |
0.12¡«0.18 |
0.17¡«0.37 |
0.40¡«0.70 |
≤0.030 |
≤0.030 |
0.80¡«1.10 |
0.40¡«0.55 |
≤0.20 |
≤0.30 |
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12Cr2MoG |
0.08¡«0.15 |
≤0.50 |
0.40¡«0.70 |
≤0.030 |
≤0.030 |
2.00¡«2.50 |
0.90¡«1.20 |
≤0.20 |
≤0.30 |
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12Cr1MoV |
0.08¡«0.15 |
0.17¡«0.37 |
0.40¡«0.70 |
≤0.030 |
≤0.030 |
0.90¡«1.20 |
0.25¡«0.35 |
≤0.20 |
≤0.30 |
0.15¡«0.30 |
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10Cr9Mo1VNb |
0.08¡«0.12 |
0.20¡«0.50 |
0.30¡«0.60 |
≤0.020 |
≤0.010 |
8.00¡«9.50 |
0.85¡«1.05 |
≤0.20 |
≤0.40 |
0.18¡«0.25 |
≤0.015 |
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0.06¡«0.10 |
0.03¡«0.07 |
ASME SA106 |
SA106B |
0.17¡«0.25 |
≥0.1 |
0.70¡«1.00 |
≤0.030 |
≤0.030 |
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SA106C |
0.23¡«0.27 |
≥0.1 |
0.70¡«1.00 |
≤0.030 |
≤0.030 |
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ASME SA333 |
SA333¢ñ |
0.09¡«0.12 |
/ |
0.7¡«1.00 |
≤0.020 |
≤0.010 |
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SA333¢ö |
0.09¡«0.12 |
≥0.1 |
0.9¡«1.10 |
≤0.020 |
≤0.010 |
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ASME SA335 |
SA335 P11 |
0.05¡«0.15 |
0.50¡«1.0 |
0.30¡«0.60 |
≤0.030 |
≤0.030 |
1.00¡«1.50 |
0.50¡«1.00 |
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SA335 P12 |
0.05¡«0.15 |
≤0.50 |
0.30¡«0.61 |
≤0.030 |
≤0.030 |
0.80¡«1.25 |
0.44¡«0.65 |
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SA335 P22 |
0.05¡«0.15 |
≤0.50 |
0.30¡«0.60 |
≤0.030 |
≤0.030 |
1.90¡«2.60 |
0.87¡«1.13 |
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SA335 P5 |
≤0.15 |
≤0.50 |
0.30¡«0.60 |
≤0.030 |
≤0.030 |
4.00/
6.00 |
0.45/
0.65 |
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SA335 P91 |
0.08¡«0.12 |
0.20¡«0.50 |
0.30¡«0.60 |
≤0.020 |
≤0.010 |
8.00¡«9.50 |
0.85¡«1.05 |
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≤0.40 |
0.18¡«0.25 |
≤0.015 |
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0.06¡«0.10 |
0.03¡«0.07 |
SA335 P92 |
0.07¡«0.13 |
≤0.50 |
0.30¡«0.60 |
≤0.020 |
≤0.010 |
8.50¡«9.50 |
0.30¡«0.60 |
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≤0.40 |
0.15¡«0.25 |
≤0.015 |
1.50¡«2.00 |
0.04¡«0.09 |
0.03¡«0.07 |
DIN 17175 |
ST45.8/¢ó |
≤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 |
≤0.035 |
≤0.035 |
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0.25¡«0.35 |
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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 |
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10CrMo910 |
0.08¡«0.15 |
≤0.50 |
0.30¡«0.70 |
≤0.025 |
≤0.020 |
2.00¡«2.50 |
0.90¡«1.10 |
≤0.30 |
≤0.30 |
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≤0.015 |
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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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