| 
				高压锅炉管 GB5310-2008 
			 | 
		
		
			| 
				 
					20G 12CrMoG 12CrIMoVG 15CrMoG 
				 
			 | 
		
		| 
			14*3-3.5-4
		 | 
		
			108*4.5-5-6-7-8-9-10-12-14-15-16-20
		 | 
			
			| 
				16*2-3
			 | 
			
				114*5-6-7-8-8.5-9-10-11-12-13-14-16-18
			 | 
		
		| 
			18*2-3-4-5
		 | 
		
			133*5-6-7-8-9-10-12-13-14-16-18
		 | 
			
			| 
				19*2-3-5
			 | 
			
				159*6-6.5-7-8-9.5-10-12-14-16-18-20-25-28
			 | 
		
		| 
			21*2.5-4
		 | 
		
			168-6-7-8-9.5-10-12-14-15-16-18-20-25-28
		 | 
			
			| 
				22*2.5-3-4-5
			 | 
			
				180*10-12-15-18
			 | 
		
		| 
			25*2.5-3-4-5-5.5
		 | 
		
			194*10-12-14-16-18-20-26
		 | 
			
			| 
				27*4-5-5.5-6
			 | 
			
				219*6.5-7-8-10-12-13-14-16-18-20-22-24 
219*25-26-28-30-32-35-38
			 | 
		
		| 
			28*2.5-3-3.5-4
		 | 
		
			273*7-8-9-9.5-10-11-12-13-15-16-18-20 
273*22-25-28-30-32-35-36-40-42-45
		 | 
			
			| 
				30*2.5-4
			 | 
			
				298.5*12-20-25-36
			 | 
		
		| 
			32*2.5-4-4.5-5
		 | 
		
			325*8-9-10-11-12-13-14-15-16-17-18-20-22 
325*23-25-28-30-32-36-40-45
		 | 
			
			| 
				34*4-4.5-5-6.5
			 | 
			
				325*9.5-12-15-19-25-28-36
			 | 
		
		| 
			38*3-3.5-4-4.5-5-5.5
		 | 
		
			377*9-10-12-14-15-16-18-20-22-25 
377*32-36-40-45-50
		 | 
			
			| 
				42*3-3.5-4-5-6-8
			 | 
			
				406*9.5-11-13-17-22-32-36-40-50-55-60
			 | 
		
		| 
			45*3-4-5-6-7
		 | 
		
			426*12-13-14-17-20-25-28-30-36-40-50
		 | 
			
			| 
				48.3*5*12.5
			 | 
			
				457*9.5-14-16-19-24-65
			 | 
		
		| 
			51*3-3.5-4-5-6
		 | 
		
			508*16-20-22
		 | 
			
			| 
				57*5.5-6
			 | 
			
				558.5*14-20-22-28
			 | 
		
		| 
			60*4-5-6-7-8-9-10
		 | 
		
			530*13-20-28
		 | 
			
			| 
				76*4.5-5-6-7-8-9-10
			 | 
			
				610*13-18-24-28-30-78
			 | 
		
		| 
			89*4-4.5-5-5.5-6-7-7.5-8-9-10-11-12
		 | 
		
		 |