Chinese Seamless Tube Grades
Seamless Tube
| NO
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SERIES
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DESCRIPTION OF GOODS
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RAW MATERIAL
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SIZE (mm)
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PRECISION | |
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O.D.
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THICKNESS
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1
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HOLLOW FORGING |
HOLE-DRILLING HOLLOW FORGING
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10#, 20#,35#,45#, 20-35CrMo, 20-40Cr
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51-96
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2.7-15.0
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TRADE STANDARD
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2
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COLD DRAWING PIPE |
STRUCTURAL PIPE
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10#, 20#, 35#, 45#
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20-76
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1.0-11.0
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GB/T8162-1999
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3
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DUCT LIQUID PIPE
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10#,20#, 20G, 20A
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16-76
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1.5-6.0
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GB/T8163-1999
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|
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4
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LOW MEDIUM PRESSURE BOILER TUBE
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10#, 20#, 20A, 20G
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25-76
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1.5-6.0
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GB3087-1999
|
|
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5
|
SUPERIOR DRAWING PIPE |
SUPERIOR PULLING PIPE
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20# 20-35CrMo, 20-40Cr
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3-57
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0.5-5.0
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CLEANLINESS: Ra3.2 O.D.:+/- 0.02mm ENDOPORE:+/- 0.02mm
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|
6
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WELDING PIPE SEAMLESSNESS
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Q195~235 SPHC SPCC, 0.8AL, H08
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10-57
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0.5-5.0
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