API 5CT oilfield drill pipe (OCTG oil casing drill pipe API
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          API steel pipe
          
 - API steel pipe
 - API steel casing pipe
 - Casing and Tubing
 - API drill pipe
 - API5L steel pipe
 - Oil pipeline
 

- 
          Carbon steel pipe
          
 - Carbon steel pipe
 - Welded steel Pipe
 - seamless carbon steel pipe
 - Petroleum Casing Pipe
 

- 
          Alloy steel pipe
          
 - astm a 335 gr p22
 - alloy steel pipe l555
 - 25crmo4 alloy steel pipe
 - alloy pipe a335 p11
 








- interpret seamless steel pipe
 - Water pipeline - Handling and
 - Applications of welded pipe pil
 - welded steel pipes and Seamless
 - ASTM A 106 Seamless Pipe
 - Carbon dioxide resistant oil ca
 - seamless steel pipe On-line col
 - EN 10305-1 / DIN 2391 cold draw
 - EN 10255 Standard Pipe,replaces
 - API 5L A53 / A106 Grade B, Seam
 
          One of the Top 500 enterprises in China foreign trade
QCCO was approved as a member of “China Association for Contracting Projects Abroad “and granted a membership certificate on Sep 28,2005; “Credibility Rating AAA certificate in Foreign Trade” was granted to QCCO by China Shippers’ Association

TIANHE provides a complete line of drill string products, including a full range of jointed drill pipe in nominal sizes from 2-3/8” to 6-5/8” and in a wide range of wall thicknesses. TIANHE drill pipe with a strict quality control regimen from initial materials selection to final inspection, we ensure that each joint of drill pipe meets your needs for durability and performance.
| 
				 Size  | 
			
				 
					Weight   | 
			
				 
					Plain-End Weight   | 
			
				 
					Outside Diameter   | 
			
				 
					Wall thickness   | 
			
				 Grade  | 
			
				 
					Upset Ends,for   | 
			||||
| 
				 lb/ft  | 
			
				 kg/m  | 
			
				 in mm  | 
			
				 in. mm  | 
			|||||||
| 
				 2 3/8  | 
			
				 6.65  | 
			
				 6.27  | 
			
				 9.33  | 
			
				 2.375  | 
			
				 60.3  | 
			
				 0.28  | 
			
				 7.11  | 
			
				 E, X, G, S  | 
			
				 Ext.Upset  | 
			|
| 
				 2 7/8  | 
			
				 10.4  | 
			
				 9.72  | 
			
				 14.47  | 
			
				 2.875  | 
			
				 73  | 
			
				 0.362  | 
			
				 9.19  | 
			
				 E, X, G, S  | 
			
				 Int.Upset or Ext.Upset  | 
			|
| 
				 3 1/2  | 
			
				 9.5  | 
			
				 8.81  | 
			
				 13.12  | 
			
				 3.5  | 
			
				 88.9  | 
			
				 0.254  | 
			
				 6.45  | 
			
				 E  | 
			
				 Int.Upset or Ext.Upset  | 
			|
| 
				 3 1/2  | 
			
				 13.3  | 
			
				 12.32  | 
			
				 18.34  | 
			
				 3.5  | 
			
				 88.9  | 
			
				 0.368  | 
			
				 9.35  | 
			
				 E, X, G, S  | 
			
				 Int.Upset or Ext.Upset  | 
			|
| 
				 3 1/2  | 
			
				 15.5  | 
			
				 14.64  | 
			
				 21.79  | 
			
				 3.5  | 
			
				 88.9  | 
			
				 0.449  | 
			
				 11.4  | 
			
				 E  | 
			
				 Int.Upset or Ext.Upset  | 
			|
| 
				 3 1/2  | 
			
				 15.5  | 
			
				 14.64  | 
			
				 21.79  | 
			
				 3.5  | 
			
				 88.9  | 
			
				 0.449  | 
			
				 11.4  | 
			
				 X, G, S  | 
			
				 Ext.Upset or Int.-Ext.Upset  | 
			|
| 
				 4  | 
			
				 14  | 
			
				 12.95  | 
			
				 19.27  | 
			
				 4  | 
			
				 101.6  | 
			
				 0.33  | 
			
				 8.38  | 
			
				 E, X, G, S  | 
			
				 Int.Upset or Ext.Upset  | 
			|
| 
				 4 1/2  | 
			
				 13.75  | 
			
				 12.25  | 
			
				 18.23  | 
			
				 4.5  | 
			
				 114.3  | 
			
				 0.271  | 
			
				 6.88  | 
			
				 E  | 
			
				 Int.Upset or Ext.Upset  | 
			|
| 
				 4 1/2  | 
			
				 16.6  | 
			
				 15  | 
			
				 22.32  | 
			
				 4.5  | 
			
				 114.3  | 
			
				 0.337  | 
			
				 8.56  | 
			
				 E, X, G, S  | 
			
				 Ext.Upset or Int.-Ext.Upset  | 
			|
| 
				 4 1/2  | 
			
				 20  | 
			
				 18.71  | 
			
				 27.84  | 
			
				 4.5  | 
			
				 114.3  | 
			
				 0.43  | 
			
				 10.92  | 
			
				 E, X, G, S  | 
			
				 Ext.Upset or Int.-Ext.Upset  | 
			|
| 
				 5  | 
			
				 16.25  | 
			
				 14.88  | 
			
				 22.16  | 
			
				 5  | 
			
				 127  | 
			
				 0.296  | 
			
				 7.52  | 
			
				 X, G, S  | 
			
				 Int.Upset  | 
			|
| 
				 5  | 
			
				 19.5  | 
			
				 17.95  | 
			
				 26.7  | 
			
				 5  | 
			
				 127  | 
			
				 0.362  | 
			
				 9.19  | 
			
				 E  | 
			
				 Int.-Ext.Upset  | 
			|
| 
				 5  | 
			
				 19.5  | 
			
				 17.95  | 
			
				 26.7  | 
			
				 5  | 
			
				 127  | 
			
				 0.362  | 
			
				 9.19  | 
			
				 X, G, S  | 
			
				 Ext.Upset or Int.-Ext.Upset  | 
			|
| 
				 5  | 
			
				 25.6  | 
			
				 24.05  | 
			
				 35.8  | 
			
				 5  | 
			
				 127  | 
			
				 0.5  | 
			
				 12.7  | 
			
				 E  | 
			
				 Int.-Ext.Upset  | 
			|
| 
				 5  | 
			
				 25.6  | 
			
				 24.05  | 
			
				 35.8  | 
			
				 5  | 
			
				 127  | 
			
				 0.5  | 
			
				 12.7  | 
			
				 X, G, S  | 
			
				 Ext.Upset or Int.-Ext.Upset  | 
			|
| 
				 5 1/2  | 
			
				 21.9  | 
			
				 19.83  | 
			
				 29.52  | 
			
				 5.5  | 
			
				 139.7  | 
			
				 0.361  | 
			
				 9.17  | 
			
				 E, X, G, S  | 
			
				 Int.-Ext.Upset  | 
			|
| 
				 5 1/2  | 
			
				 24.7  | 
			
				 22.56  | 
			
				 33.57  | 
			
				 5.5  | 
			
				 139.7  | 
			
				 0.415  | 
			
				 10.54  | 
			
				 E, X, G, S  | 
			
				 Int.-Ext.Upset  | 
			|
| 
				 6 5/8  | 
			
				 25.2  | 
			
				 22.21  | 
			
				 33.04  | 
			
				 6.625  | 
			
				 168.3  | 
			
				 0.33  | 
			
				 8.38  | 
			
				 E, X, G, S  | 
			
				 Int.-Ext.Upset  | 
			|
| 
				 6 5/8  | 
			
				 27.72  | 
			
				 24.24  | 
			
				 36.06  | 
			
				 6.625  | 
			
				 168.3  | 
			
				 0.362  | 
			
				 9.19  | 
			
				 E, X, G, S  | 
			
				 Int.-Ext.Upset  | 
		|
 
      


          