ASME SA179, SA192, SA213, etc
Outer diameter: 20mm~114mm
Wall thickness: 1mm~10mm
Length: 6meters, 12meters, by random
Specifications of ma}or steel:
10,20,20G,20MnG,25MnG,15CrMoG,12Cr2MoG,12Cr1MoVG,12Cr2MoWVTiB,10Cr9Mo1VNb,SA210A1,SA210C,SA213 T11,SA213 T12,SA213 T22,SA213 T23,SA213 T91,SA213 T92,ST45.8/III,15Mo3,13CrMo44,10CrMo910etc.
Small Calibers Seamless steel tubes for high(low and medium) pressure boilers and petrochemical industry
Standards:
GB3087 Chinese national standard
GB5310 Chinese national standard
ASME SA210 Boiler and pressure vessel code of ASME
ASME SA213 Boiler and pressure vessel code of ASME
DINl7175 Deutsches industrial standard~
Application:
Used as the pipes on the heated side of low and medium pressure boilers(normally with operating pressure not higher than 5.88Mpa and
operating temperature below 450 oc);as the pipes on the heated sides of high·pressure boilers,economizers,overheaters,reheaters and pipes
for petrochemical industry(with the operating pressure above 9.8Mpa and operating temperature ranging between 450~C~650~C1
Diamensional tolerances:
Types of steel tubes
|
Outer diameters
|
Wall thickness
|
Cold-rolled tubes
|
Tube sizes(mm)
|
Tolerances(mm)
|
Tube sizes (mm)
|
Tolerances(mm)
|
>30~50
|
±0.3
|
>3~20
|
±10%
|
Mechanical properties:
Standard codes
|
Models of steel tubes
|
Tensite strength(MPa)
|
Yield strength(MPa)
|
Elongation(%)
|
Hardness
|
GB3087
|
10
|
335~475
|
≥195
|
≥24
|
/
|
20
|
410~550
|
≥245
|
≥20
|
/
|
GB5310
|
20G
|
410~550
|
≥245
|
≥24
|
/
|
20MnG
|
≥415
|
≥240
|
≥22
|
/
|
25MnG
|
≥485
|
≥275
|
≥20
|
/
|
15CrMoG
|
440~640
|
≥235
|
≥21
|
/
|
12Cr2MoG
|
450~600
|
≥280
|
≥20
|
/
|
12Cr1MoVG
|
470~640
|
≥255
|
≥21
|
/
|
12Cr2MoWVTiB
|
540~735
|
≥345
|
≥18
|
/
|
10Cr9Mo1VNb
|
≥585
|
≥415
|
≥20
|
/
|
ASME SA210
|
SA210A-1
|
≥415
|
≥255
|
≥30
|
≤143HB
|
SA210C
|
≥485
|
≥275
|
≥30
|
≤179HB
|
ASME SA213
|
SA213 T11
|
≥415
|
≥205
|
≥30
|
≤163HB
|
SA213 T12
|
≥415
|
≥220
|
≥30
|
≤163HB
|
SA213 T22
|
≥415
|
≥205
|
≥30
|
≤163HB
|
SA213 T23
|
≥510
|
≥400
|
≥20
|
≤220HB
|
SA213 T91
|
≥585
|
≥415
|
≥20
|
≤250HB
|
SA213 T92
|
≥620
|
≥440
|
≥20
|
≤250HB
|
DIN17175
|
ST45.8/III
|
410~530
|
≥255
|
≥21
|
/
|
15Mo3
|
450~600
|
≥270
|
≥22
|
/
|
13CrMo44
|
440~590
|
≥290
|
≥22
|
/
|
10CrMo910
|
480~630
|
≥280
|
≥20
|
/
|
Chemical composition:
Standard codes
|
Models of steel tubes
|
Chemical compositions(%)
|
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Mo
|
Cu
|
Ni
|
V
|
Al
|
W
|
Ti
|
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
|
/
|
/
|
|
|
|
|
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
|
/
|
/
|
|
|
|
|
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
|
|
|
|
|
|
20MnG
|
0.17~0.24
|
0.17~0.37
|
0.70~1.00
|
≤0.030
|
≤0.030
|
≤0.25
|
≤0.15
|
≤0.20
|
≤0.25
|
≤0.08
|
|
|
|
|
|
25MnG
|
0.18~0.24
|
0.17~0.37
|
0.80~1.10
|
≤0.030
|
≤0.030
|
≤0.25
|
≤0.15
|
≤0.20
|
≤0.25
|
≤0.08
|
|
|
|
|
|
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
|
|
|
|
|
|
|
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
|
|
|
|
|
|
|
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
|
|
|
|
|
|
12Cr2MoWVTiB
|
0.08~0.15
|
0.45~0.75
|
0.45~0.65
|
≤0.030
|
≤0.030
|
1.60~2.10
|
0.50~0.65
|
≤0.20
|
≤0.30
|
0.28~0.42
|
|
0.30~0.55
|
0.08~0.15
|
B 0.002~0.008
|
|
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
|
|
|
0.06~0.10
|
0.03~0.07
|
ASME SA210
|
SA210A-1
|
0.13~0.19
|
≥0.1
|
0.45~0.65
|
≤0.030
|
≤0.030
|
|
|
|
|
|
|
|
|
|
|
SA210C
|
0.18~0.24
|
≥0.1
|
0.80~1.10
|
≤0.030
|
≤0.030
|
|
|
|
|
|
|
|
|
|
|
ASME SA213
|
SA213 T11
|
0.05~0.15
|
0.50~1.0
|
0.30~0.60
|
≤0.030
|
≤0.030
|
1.00~1.50
|
0.50~1.00
|
|
|
|
|
|
|
|
|
SA213 T12
|
0.05~0.15
|
≤0.50
|
0.30~0.61
|
≤0.030
|
≤0.030
|
0.80~1.25
|
0.44~0.65
|
|
|
|
|
|
|
|
|
SA213 T22
|
0.05~0.15
|
≤0.50
|
0.30~0.60
|
≤0.030
|
≤0.010
|
1.90~2.60
|
0.87~1.13
|
|
|
|
|
|
|
|
|
SA213 T23
|
0.04~0.10
|
≤0.50
|
0.10~0.60
|
≤0.030
|
≤0.030
|
1.90~2.60
|
0.05~0.30
|
|
|
|
≤0.030
|
1.45~1.75
|
B0.0005~0.006
|
0.02~0.08
|
≤0.040
|
SA213 T91
|
0.08~0.12
|
0.20~0.50
|
0.30~0.60
|
≤0.020
|
≤0.010
|
8.00~9.50
|
0.85~1.05
|
|
≤0.40
|
0.18~0.25
|
≤0.015
|
|
|
0.06~0.10
|
0.03~0.07
|
SA213 T92
|
0.07~0.13
|
≤0.50
|
0.30~0.60
|
≤0.020
|
≤0.010
|
8.50~9.50
|
0.30~0.60
|
|
≤0.40
|
0.15~0.25
|
≤0.015
|
1.50~2.00
|
B 0.001~0.006
|
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
|
|
|
|
|
|
|
|
|
|
|
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
|
0.45~0.65
|
|
|
|
|
|
|
|
|
10CrMo910
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|