| 
					No.
				 | 
					Steel pipe name
				 | 
					Steel number
				 | 
					specifications
				 | 
					standard
				 | 
| 
					1
				 | 
					Seamless steel pipe for high pressure boiler
				 | 
					20G,15CrMoG,12Cr1MoVG,SA-210C
				 | 
					28-219x2-16
				 | 
					GB 5310-1995,ASME SA-210,ASME SA-213
				 | 
| 
					2
				 | 
					Seamless steel pipe for low and medium pressure boilers
				 | 
					10,20,20G
				 | 
					20-219x2-16
				 | 
					GB3087-1999
				 | 
| 
					3
				 | 
					Seamless steel pipe for structural 
				 | 
					10-45,Q345
				 | 
					16-219x2-16
				 | 
					GB/T8162-2008
				 | 
| 
					4
				 | 
					Seamless steel pipe for conveying fluid
				 | 
					10,20,Q345
				 | 
					16-219x2-16
				 | 
					GB/T8163-2008
				 | 
| 
					5
				 | 
					seamless steel pipe for ship 
				 | 
					C10,C20
				 | 
					16-219x2-16
				 | 
					GB/T5312-1999
				 | 
| 
					6
				 | 
					Oil casing
				 | 
					H40,J55,K55,N80-1
				 | 
					60.32-139.7x,4.83-12.18
				 | 
					API Spec 5CT
				 | 
| 
					7
				 | 
					Line pipe
				 | 
					A,B,X42,X52,10,20
				 | 
					21.3-177.8x,2.77-16
				 | 
					API Spec5L
				 | 
| 
					8
				 | 
					Cold drawn seamless steel pipe for petroleum cracking
				 | 
					10,20,12-15CrMo
				 | 
					28-219x2-16
				 | 
					GB9948-2006
				 | 
| 
					9
				 | 
					Seamless steel pipe for high pressure fertilizer equipment
				 | 
					10,20,15CrMo
				 | 
					28-219x2-16
				 | 
					GB6479-2000
				 | 
| 
					10
				 | 
					Carbon steel seamless steel pipe for high temperature operation
				 | 
					A,B
				 | 
					16-219x2-16
				 | 
					ASTM A106
				 |