| Specifications︰ | ASTM A106-96a
ATSM A213-95a
JIS G3461-1988
JIS G3462-1998
DIN 17175-1979
BS3059：Part 2：1990
ASTM A179, ASTM A192
ASTM SA179,SA192,
BS3059
Seamless tubes for manufacture of high pressure steam boilers and pipe lines,etc
Commonly used typical steel grade
20G,12CrMoG,20MnG,25MoG,20MoG,15CrMoG,12Cr2MoG,
12Cr1MoVG,12Cr2MoWVTiB,10Cr9Mo1VNb
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Boiler Tube
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16
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2.0-4.0
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17
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2.0-4.0
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18
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2.0-4.0
|
|
19
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2.0-4.0
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20
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2.0-5.0
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21
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2.0-5.0
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22
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2.0-5.0
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25
|
2.0-5.0
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27
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2.0-6.0
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28
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2.0-6.0
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30
|
2.0-6.0
|
|
32
|
2.0-6.0
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34
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2.0-7.0
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35
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2.0-7.0
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38
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2.0-7.0
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40
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2.0-7.5
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42
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2.0-8.5
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|
45
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2.0-8.5
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48
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2.0-8.5
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|
50
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2.0-8.5
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51
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2.0-8.5
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54
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3.5-17
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|
57
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3.5-18
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60
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3.5-19
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63
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3.5-20
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|
65
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3.5-21
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|
68
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3.5-22
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|
70
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3.5-23
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|
73
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3.5-24
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|
76
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3.5-25
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|
77
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3.5-25
|
|
80
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3.5-25
|
|
83
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4.0-25
|
|
85
|
4.0-25
|
|
89
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4.0-25
|
|
95
|
4.0-25
|
|
102
|
4.0-25
|
|
108
|
4.0-25
|
|
114
|
4.0-25
|
|
121
|
4.0-25
|
|
127
|
4.0-25
|
|
133
|
4.0-25
|
|
140
|
4.0-25
|
|
152
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4.0-25
|
|
159
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4.0-25
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