
执行标准 : Chinese GB6479
用途 :用于高压化肥设备和管道用优质碳素钢、低合金钢和合金钢无管
主要钢级牌号 : 10 、 20 、 16Mn 、 10MoWVNb
化学成分、机械性能 :
| 
				 
					牌号  | 
			
				 化学成分 Chemical composition, %  | 
		||||||||||
| 
				 C  | 
			
				 Si  | 
			
				 Mn  | 
			
				 Cr  | 
			
				 Mo  | 
			
				 V  | 
			
				 W  | 
			
				 Nb  | 
			
				 Ni  | 
			
				 P  | 
			
				 S  | 
		|
| 
				 10  | 
			
				 
					0.07  | 
			
				 
					0.17  | 
			
				 
					0.35  | 
			
				 -  | 
			
				 -  | 
			
				 -  | 
			
				 -  | 
			
				 -  | 
			
				 -  | 
			
				 ≤0.030  | 
			
				 ≤0.030  | 
		
| 
				 20  | 
			
				 
					0.17  | 
			
				 
					0.17  | 
			
				 
					0.35  | 
			
				 -  | 
			
				 -  | 
			
				 -  | 
			
				 -  | 
			
				 -  | 
			
				 -  | 
			
				 ≤0.030  | 
			
				 ≤0.030  | 
		
| 
				 16Mn  | 
			
				 
					0.12  | 
			
				 
					0.20  | 
			
				 
					1.20  | 
			
				 -  | 
			
				 -  | 
			
				 -  | 
			
				 -  | 
			
				 -  | 
			
				 -  | 
			
				 ≤0.030  | 
			
				 ≤0.030  | 
		
| 
				 15MnV  | 
			
				 
					0.12  | 
			
				 
					0.20  | 
			
				 
					1.20  | 
			
				 -  | 
			
				 -  | 
			
				 
					0.04  | 
			
				 -  | 
			
				 -  | 
			
				 -  | 
			
				 ≤0.030  | 
			
				 ≤0.030  | 
		
| 
				 10MoWVNb  | 
			
				 
					0.07  | 
			
				 
					0.50  | 
			
				 
					0.50  | 
			
				 -  | 
			
				 
					0.60  | 
			
				 
					0.30  | 
			
				 
					0.50  | 
			
				 
					0.06  | 
			
				 -  | 
			
				 ≤0.030  | 
			
				 ≤0.030  | 
		
| 
				 12CrMo  | 
			
				 
					0.08  | 
			
				 
					0.17  | 
			
				 
					0.40  | 
			
				 
					0.40  | 
			
				 
					0.40  | 
			
				 
  | 
			
				 
  | 
			
				 
  | 
			
				 
  | 
			
				 ≤0.030  | 
			
				 ≤0.030  | 
		
| 
				 15CrMo  | 
			
				 
					0.12  | 
			
				 
					0.17  | 
			
				 
					0.40  | 
			
				 
					0.80  | 
			
				 
					0.40  | 
			
				 -  | 
			
				 -  | 
			
				 -  | 
			
				 -  | 
			
				 ≤0.030  | 
			
				 ≤0.030  | 
		
| 
				 1Cr5Mo  | 
			
				 ≤ 0.15  | 
			
				 ≤ 0.50  | 
			
				 ≤ 0.60  | 
			
				 
					4.00  | 
			
				 
					0.40  | 
			
				 -  | 
			
				 -  | 
			
				 -  | 
			
				 ≤ 0.60  | 
			
				 ≤0.030  | 
			
				 ≤0.030  | 
		
| 
				 12Cr2Mo  | 
			
				 
					0.08  | 
			
				 ≤ 0.50  | 
			
				 
					0.40  | 
			
				 
					2.0  | 
			
				 
					0.90  | 
			
				 -  | 
			
				 -  | 
			
				 -  | 
			
				 -  | 
			
				 ≤0.030  | 
			
				 ≤0.030  | 
		
| 
				 12SiMoVNb  | 
			
				 
					0.08  | 
			
				 
					0.50  | 
			
				 
					0.60  | 
			
				 -  | 
			
				 
					0.90  | 
			
				 
					0.30  | 
			
				 -  | 
			
				 
					0.04  | 
			
				 -  | 
			
				 ≤0.030  | 
			
				 ≤0.030  | 
		
| 
				 
					牌号  | 
			
				 
					抗拉强度  | 
			
				 
					屈服点  | 
			
				 
					延伸率  | 
		
| 
				 10  | 
			
				 
					335  | 
			
				 205  | 
			
				 24  | 
		
| 
				 20  | 
			
				 
					410  | 
			
				 245  | 
			
				 24  | 
		
| 
				 16Mn  | 
			
				 
					490  | 
			
				 320  | 
			
				 21  | 
		
| 
				 15MnV  | 
			
				 
					510  | 
			
				 350  | 
			
				 19  | 
		
| 
				 12CrMo  | 
			
				 
					410  | 
			
				 205  | 
			
				 21  | 
		
| 
				 15CrMo  | 
			
				 
					440  | 
			
				 235  | 
			
				 21  |