EN10305-1 E235 +SRA CDS Hydraulic Cylinder Tubes  for Pneumatic Cylinders Tube and Telescopic Systems

 

Standard: EN10305-1 Seamless Cold Drawn/Rolling Steel Tubes                                                    

Steel tubes for precision applications.

                                                   
Applications: for Auto industry/for machinery use/Oil Cylinder Tube/Motorcyle shock absorber 
Auto shock absorber inner cylinder/Telescopic Cylinders              

                                     
Size range: O.D.:6-350mm     W.T.:1-35mm      L:max12000mm           

 

Production:  Cold Drawn + Honing + Skiving + Roller Burnish                                      

Steel Grade and Chemical Compositions:                                                    

Steel Grade		C	Si	Mn	P	S	Al
Steel Name	Steel Number	max	max	max	max	max	min
E215	1.0212	0.10	0.05	0.70	0.025	0.025	0.025
E235	1.0308	0.17	0.35	1.20	0.025	0.025	-
E355	1.0580	0.22	0.55	1.60	0.025	0.025	-

 

Mechanical properties at room temperature
Steel Grade		Minimum values for the delivery condition
Steel Name	steel Nubmer	(+Cc)		(+LCc)		(+SR)			(+Ad)		(+N)  NBK
		Rm Mpa	A %	Rm Mpa	A %	Rm Mpa	ReH Mpa	A %	Rm Mpa	A %	Rm Mpa	ReH Mpa	A %
E215	1.0212	430	8	380	12	380	280	16	280	30	290-430	215	30
E235	1.0308	480	6	420	10	420	350	16	315	25	340-480	235	25
E355	1.0580	640	4	580	7	580	450f	10	450	22	490-630	355	22

Note: Special steel grade is also available, according to customer request.