EN10305-1： Cold Drawn/Cold Rolled Precision Seamless Steel Tubes

SIZE: OD4-300mm, WT1-30mm.

EN10305-2： Cold Drawn/Cold Rolled Precision Welded Steel Tubes

SIZE: OD10-150mm, WT0.5-7.0mm.

Steel Grade and Chemical Composition ( % )

Steel Grade	Chemical Composition ( % )
	C max	Si max	Mn max	P max	S max	Al min
E215	0.10	0.35	0.70	0.025	0.025	0.025
E235	0.17	0.35	1.20	0.025	0.025
E355	0.22	0.55	1.60	0.025	0.025

Mechanical Properties ( Mpa )

Steel Grade	Mechanical Properties ( Mpa )
	C		LC		SR			A		N
	Rm	Elongation	Rm	Elongation	Rm	ReH	Elongation	Rm	Elongation	Rm	ReH	Elongation
	N/mm2	%	N/mm2	%	N/mm2	N/mm2	%	N/mm2	%	N/mm2	N/mm2	%
	min	Min	min	Min	min	min	Min	min	Min	min	min	Min
E215	430	8	380	12	380	280	16	280	30	290-430	215	30
E235	580	6	420	10	420	350	16	315	25	340-480	235	25
E355	640	4	580	7	580	450	10	450	22	490-630	355	22