EN 10296
EN 10296--Welded circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 1: Non-alloy and alloy steel tubes
Corrosion resistant steels
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			 Designation  | 
			
			 Chemical composition (% by mass - max unless stated)  | 
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| 
			 Steel name  | 
			
			 Steel number  | 
			
			 C  | 
			
			 Si  | 
			
			 Mn  | 
			
			 P  | 
			
			 S  | 
			
			 Cr  | 
			
			 Mo  | 
			
			 Ni  | 
			
			 Cu  | 
			
			 N  | 
			
			 Nb  | 
			
			 Ti  | 
		
| 
			 Ferritic steels  | 
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| 
			 X2CrNi12  | 
			
			 1.4003  | 
			
			 0.030  | 
			
			 1.00  | 
			
			 1.50  | 
			
			 0.040  | 
			
			 0.015  | 
			
			 10.5/12.5  | 
			
			 -  | 
			
			 0.30/1.00  | 
			
			 -  | 
			
			 0.030  | 
			
			 -  | 
			
			 -  | 
		
| 
			 X2CrTi12  | 
			
			 1.4512  | 
			
			 0.030  | 
			
			 1.00  | 
			
			 1.00  | 
			
			 0.040  | 
			
			 0.015  | 
			
			 10.5/12.5  | 
			
			 -  | 
			
			 -  | 
			
			 -  | 
			
			 0.030  | 
			
			 -  | 
			
			 6x(C+N)/0.65  | 
		
| 
			 X6Cr17  | 
			
			 1.4016  | 
			
			 0.08  | 
			
			 1.00  | 
			
			 1.00  | 
			
			 0.040  | 
			
			 0.015  | 
			
			 16.0/18.0  | 
			
			 -  | 
			
			 -  | 
			
			 -  | 
			
			 -  | 
			
			 -  | 
			
			 -  | 
		
| 
			 X3CrTi17  | 
			
			 1.4510  | 
			
			 0.05  | 
			
			 1.00  | 
			
			 1.00  | 
			
			 0.040  | 
			
			 0.015  | 
			
			 16.0/18.0  | 
			
			 -  | 
			
			 -  | 
			
			 -  | 
			
			 -  | 
			
			 -  | 
			
			 4x(C+N)+0.15/0.80  | 
		
| 
			 X2CrMoTi18-2  | 
			
			 1.4521  | 
			
			 0.025  | 
			
			 1.00  | 
			
			 1.00  | 
			
			 0.040  | 
			
			 0.015  | 
			
			 17.0/20.0  | 
			
			 1.80/2.50  | 
			
			 -  | 
			
			 -  | 
			
			 0.030  | 
			
			 -  | 
			
			 4x(C+N)+0.15/0.80  | 
		
| 
			 X6CrMoNb17-1  | 
			
			 1.4526  | 
			
			 0.08  | 
			
			 1.00  | 
			
			 1.00  | 
			
			 0.040  | 
			
			 0.015  | 
			
			 16.0/18.0  | 
			
			 0.80/1.40  | 
			
			 -  | 
			
			 -  | 
			
			 0.040  | 
			
			 7x(C+N)+0.10/1.00  | 
			
			 -  | 
		
| 
			 X2CrTiNb18  | 
			
			 1.4509  | 
			
			 0.030  | 
			
			 1.00  | 
			
			 1.00  | 
			
			 0.040  | 
			
			 0.015  | 
			
			 17.5/18.5  | 
			
			 -  | 
			
			 -  | 
			
			 -  | 
			
			 -  | 
			
			 3xC+0.30/1.00  | 
			
			 0.10/0.69  | 
		
| 
			 Austenitic steels  | 
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| 
			 X2CrNiN18-7  | 
			
			 1.4318  | 
			
			 0.030  | 
			
			 1.00  | 
			
			 2.00  | 
			
			 0.045  | 
			
			 0.015  | 
			
			 16.5/18.5  | 
			
			 -  | 
			
			 6.0/8.0  | 
			
			 -  | 
			
			 0.10/0.20  | 
			
			 -  | 
			
			 -  | 
		
| 
			 X2CrNi18-9  | 
			
			 1.4307  | 
			
			 0.030  | 
			
			 1.00  | 
			
			 2.00  | 
			
			 0.045  | 
			
			 0.015  | 
			
			 17.5/19.5  | 
			
			 -  | 
			
			 8.0/10.5  | 
			
			 -  | 
			
			 0.11  | 
			
			 -  | 
			
			 -  | 
		
| 
			 X2CrNi19-11  | 
			
			 1.4306  | 
			
			 0.030  | 
			
			 1.00  | 
			
			 2.00  | 
			
			 0.045  | 
			
			 0.015  | 
			
			 18.0/20.0  | 
			
			 -  | 
			
			 10.0/12.0  | 
			
			 -  | 
			
			 0.11  | 
			
			 -  | 
			
			 -  | 
		
| 
			 X2CrNiN18-10  | 
			
			 1.4311  | 
			
			 0.030  | 
			
			 1.00  | 
			
			 2.00  | 
			
			 0.045  | 
			
			 0.015  | 
			
			 17.0/19.5  | 
			
			 -  | 
			
			 8.5/11.5  | 
			
			 -  | 
			
			 0.12/0.22  | 
			
			 -  | 
			
			 -  | 
		
| 
			 X5CrNi18-10  | 
			
			 1.4301  | 
			
			 0.07  | 
			
			 1.00  | 
			
			 2.00  | 
			
			 0.045  | 
			
			 0.015  | 
			
			 17.0/19.5  | 
			
			 -  | 
			
			 8.0/10.5  | 
			
			 -  | 
			
			 0.11  | 
			
			 -  | 
			
			 -  | 
		
| 
			 X6CrNiTi18-10  | 
			
			 1.4541  | 
			
			 0.08  | 
			
			 1.00  | 
			
			 2.00  | 
			
			 0.045  | 
			
			 0.015  | 
			
			 17.0/19.0  | 
			
			 -  | 
			
			 9.0/12.0  | 
			
			 -  | 
			
			 -  | 
			
			 -  | 
			
			 5xC/0.70  | 
		
| 
			 X6CrNiNb18-10  | 
			
			 1.4550  | 
			
			 0.08  | 
			
			 1.00  | 
			
			 2.00  | 
			
			 0.045  | 
			
			 0.015  | 
			
			 17.0/19.0  | 
			
			 -  | 
			
			 9.0/12.0  | 
			
			 -  | 
			
			 -  | 
			
			 10xC/1.00  | 
			
			 -  | 
		
| 
			 X2CrNiMo17-12-2  | 
			
			 1.4404  | 
			
			 0.030  | 
			
			 1.00  | 
			
			 2.00  | 
			
			 0.045  | 
			
			 0.015  | 
			
			 16.5/18.5  | 
			
			 2.00/2.50  | 
			
			 10.0/13.0  | 
			
			 -  | 
			
			 0.11  | 
			
			 -  | 
			
			 -  | 
		
| 
			 X5CrNiMo17-12-2  | 
			
			 1.4401  | 
			
			 0.07  | 
			
			 1.00  | 
			
			 2.00  | 
			
			 0.045  | 
			
			 0.015  | 
			
			 16.5/18.5  | 
			
			 2.00/2.50  | 
			
			 10.0/13.0  | 
			
			 -  | 
			
			 0.11  | 
			
			 -  | 
			
			 -  | 
		
| 
			 XCrNiMoTi17-12-2  | 
			
			 1.4571  | 
			
			 0.08  | 
			
			 1.00  | 
			
			 2.00  | 
			
			 0.045  | 
			
			 0.015  | 
			
			 16.5/18.5  | 
			
			 2.00/2.50  | 
			
			 10.5/13.5  | 
			
			 -  | 
			
			 -  | 
			
			 -  | 
			
			 5xC/0.70  | 
		
| 
			 X2CrNiMo17-12-3  | 
			
			 1.4432  | 
			
			 0.030  | 
			
			 1.00  | 
			
			 2.00  | 
			
			 0.045  | 
			
			 0.015  | 
			
			 16.5/18.5  | 
			
			 2.50/3.00  | 
			
			 10.5/13.0  | 
			
			 -  | 
			
			 0.11  | 
			
			 -  | 
			
			 -  | 
		
| 
			 X2CrNiMoN17-13-3  | 
			
			 1.4429  | 
			
			 0.030  | 
			
			 1.00  | 
			
			 2.00  | 
			
			 0.045  | 
			
			 0.015  | 
			
			 16.5/18.5  | 
			
			 2.50/3.00  | 
			
			 11.0/14.0  | 
			
			 -  | 
			
			 0.12/0.22  | 
			
			 -  | 
			
			 -  | 
		
| 
			 X3CrNiMo17-13-3  | 
			
			 1.4436  | 
			
			 0.05  | 
			
			 1.00  | 
			
			 2.00  | 
			
			 0.045  | 
			
			 0.015  | 
			
			 16.5/18.5  | 
			
			 2.50/3.00  | 
			
			 10.5/13.0  | 
			
			 -  | 
			
			 0.11  | 
			
			 -  | 
			
			 -  | 
		
| 
			 X2CrNiMo18-14-3  | 
			
			 1.4435  | 
			
			 0.030  | 
			
			 1.00  | 
			
			 2.00  | 
			
			 0.045  | 
			
			 0.015  | 
			
			 17.0/19.0  | 
			
			 2.50/3.00  | 
			
			 12.5/15.0  | 
			
			 -  | 
			
			 0.11  | 
			
			 -  | 
			
			 -  | 
		
| 
			 X2CrNiMoN17-13-5  | 
			
			 1.4439  | 
			
			 0.030  | 
			
			 1.00  | 
			
			 2.00  | 
			
			 0.045  | 
			
			 0.015  | 
			
			 16.5/18.5  | 
			
			 4.0/5.0  | 
			
			 12.5/14.5  | 
			
			 -  | 
			
			 0.12/0.22  | 
			
			 -  | 
			
			 -  | 
		
| 
			 X1CrNiMoCu25-20-5  | 
			
			 1.4539  | 
			
			 0.020  | 
			
			 0.70  | 
			
			 2.00  | 
			
			 0.030  | 
			
			 0.010  | 
			
			 19.0/21.0  | 
			
			 4.0/5.0  | 
			
			 24.0/26.0  | 
			
			 1.20/2.00  | 
			
			 0.15  | 
			
			 -  | 
			
			 -  | 
		
| 
			 X1CrNiMoCuN20-18-7  | 
			
			 1.4547  | 
			
			 0.020  | 
			
			 0.70  | 
			
			 1.00  | 
			
			 0.030  | 
			
			 0.010  | 
			
			 19.5/20.5  | 
			
			 6.0/7.0  | 
			
			 17.5/18.5  | 
			
			 0.50/1.00  | 
			
			 0.18/0.25  | 
			
			 -  | 
			
			 -  | 
		
| 
			 Austenitic ferritic steels  | 
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| 
			 X2CrNiN23-4  | 
			
			 1.4362  | 
			
			 0.030  | 
			
			 1.00  | 
			
			 2.00  | 
			
			 0.035  | 
			
			 0.015  | 
			
			 22.0/24.0  | 
			
			 0.10/0.60  | 
			
			 3.5/5.5  | 
			
			 0.10/0.60  | 
			
			 0.05/0.20  | 
			
			 -  | 
			
			 -  | 
		
| 
			 X2CrNiMoN22-5-3  | 
			
			 1.4462  | 
			
			 0.030  | 
			
			 1.00  | 
			
			 2.00  | 
			
			 0.035  | 
			
			 0.015  | 
			
			 21.0/23.0  | 
			
			 2.50/3.5  | 
			
			 4.5/6.5  | 
			
			 -  | 
			
			 0.10/0.22  | 
			
			 -  | 
			
			 -  | 
		
| 
			 X2CrNiMoN25-7-4  | 
			
			 1.4410  | 
			
			 0.030  | 
			
			 1.00  | 
			
			 2.00  | 
			
			 0.035  | 
			
			 0.015  | 
			
			 24.0/26.0  | 
			
			 3.0/4.5  | 
			
			 6.0/8.0  | 
			
			 -  | 
			
			 0.24/0.35  | 
			
			 -  | 
			
			 -  | 
		
Heat resisting steel
| 
			 Designation  | 
			
			 
  | 
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| 
			 Steel name  | 
			
			 Steel number  | 
			
			 C  | 
			
			 Si  | 
			
			 Mn  | 
			
			 P  | 
			
			 S  | 
			
			 Cr  | 
			
			 Ni  | 
			
			 N  | 
			
			 Ce  | 
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| 
			 Austenitic heat resisting steels  | 
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| 
			 X15CrNiSi20-12  | 
			
			 1.4828  | 
			
			 0.20  | 
			
			 1.50/2.50  | 
			
			 2.00  | 
			
			 0.045  | 
			
			 0.015  | 
			
			 19.0/21.0  | 
			
			 11.0/13.0  | 
			
			 0.11  | 
			
			 -  | 
		|
| 
			 X9CrNiSiNCe21-11-2  | 
			
			 1.4835  | 
			
			 0.05/0.12  | 
			
			 1.40/2.50  | 
			
			 1.00  | 
			
			 0.045  | 
			
			 0.015  | 
			
			 20.0/22.0  | 
			
			 10.0/12.0  | 
			
			 0.12/0.20  | 
			
			 0.03/0.08  | 
		|
| 
			 X12CrNi23-13  | 
			
			 1.4833  | 
			
			 0.15  | 
			
			 1.00  | 
			
			 2.00  | 
			
			 0.045  | 
			
			 0.015  | 
			
			 22.0/24.0  | 
			
			 12.0/14.0  | 
			
			 0.11  | 
			
			 -  | 
		|
| 
			 X8CrNi25-21  | 
			
			 1.4845  | 
			
			 0.10  | 
			
			 1.50  | 
			
			 2.00  | 
			
			 0.045  | 
			
			 0.015  | 
			
			 24.0/26.0  | 
			
			 19.0/22.0  | 
			
			 0.11  | 
			
			 -  | 
		|
| 
			 X6CrNiSiNCe19-10  | 
			
			 1.4818  | 
			
			 0.04/0.08  | 
			
			 1.00/2.00  | 
			
			 1.00  | 
			
			 0.045  | 
			
			 0.015  | 
			
			 18.0/20.0  | 
			
			 9.0/11.0  | 
			
			 0.12/0.20  | 
			
			 0.03/0.08  | 
		|
| 
			 X6NiCrSiNCe35-25  | 
			
			 1.4854  | 
			
			 0.04/0.08  | 
			
			 1.20/2.00  | 
			
			 2.00  | 
			
			 0.040  | 
			
			 0.015  | 
			
			 24.0/26.0  | 
			
			 34.0/36.0  | 
			
			 0.12/0.20  | 
			
			 0.03/0.08  | 
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