COLD-ROLLED STRIP

TUBES AND OVALS

Our company offers tubes of diametres 8.0 – 300.0 mm with wall thickness 0.5 – 3.0 mm from hot-rolled pickled, cold-rolled and galvanized strips.

Our company offers square profiles 8.0 x 8.0 mm – 80.0 x 80.0 mm and rectangular profiles 8.0 x 8.0 mm – 120.0 x 40.0 mm.

Our company offers special profiles according the inquiries of the clients.

Product aluminum tubes Allu's businesses.

SUPPLY CONDITION
SYMBOL	DESIGNATION	DESCRIPTION
"+CR1"	COLD WELDED AND GAUGED	Normally not heat treated but suitable for final annealing. After annealing or normalization, the mechanical properties given in table 4 of EN 10305-3/5, for delivery condition +A and +N, are normally obtained.
"+CR2"	COLD WELDED AND GAUGED	Not suitable for heat treatment after welding and sizing. In case a further heat treatment is applied, the outcoming mechanical properties could be out of the specified ranges.

SUPERFICIAL FINISHING CONDITIONS
CODE	STATUS DESCRIPTION
S2	From hot rolled pickled16+1 strip
S3	From cold strip
S4	From coated strip, accordance to defined condition

CHARACTERISTICS FOR + CR1 DELIVERY CONDITION acc. EN10305-3 and EN10305-5
STEEL GRADE		MECHANICAL CHARACTERISTICS (MINIMUM VALUES)		CHEMICAL COMPOSITION %						CORRESPONDING PREVIOUS STANDARDS
STEEL NAME	STEEL NUMBER	ULTIMATE TENSILE STRENGHT Rm N/mm²	A %	C max	Si max	Mn max	P max	S max	Al total min	UNI 7947	DIN 2394	NFA49-646
E155	1.0033	290	15	0,11	0,35	0,70	0,025	0,025	0,015	Fe 280
E195	1.0034	330	8	0,15	0,35	0,70	0,025	0,025	0,015	Fe 320	RSt 34.2	ES185
E235	1.0308	390	7	0,17	0,35	1,20	0,025	0,025	0,015	Fe 360	RSt 37.2	ES235
E275	1.0225	440	6	0,21	0,35	1,40	0,025	0,025	0,015	Fe 410	St 44.2	ES275
E355	1.0580	540	5	0,22	0,55	1,60	0,025	0,025	0,020	Fe 490	St 52.3	ES355

the additions of Nb, Ti; V, is allowed with discretion of the consctructor, but the content of such elements must be marked

CHARACTERISTICS FOR + CR2 DELIVERY CONDITION acc. EN10305-3 and EN10305-5
STEEL GRADE		MECHANICAL CHARACTERISTICS (MINIMUM VALUES)			CHEMICAL COMPOSITION %						CORRESPONDING PREVIOUS STANDARDS
STEEL NAME	STEEL NUMBER	ULTIMATE TENSILE STRENGHT Rm N/mm²	YIELD POINT Re N/mm²	A %	C max	Si max	Mn max	P max	S max	Al total min		NFA49-646
E190	1.0031	270	190	26	0,10	0,35	0,70	0,025	0,025	0,015
E220	1.0215	310	220	23	0,14	0,35	0,70	0,025	0,025	0,015		ES200
E260	1.0220	340	260	21	0,16	0,35	1,20	0,025	0,025	0,015		ES250
E320	1.0237	410	320	19	0,20	0,35	1,40	0,025	0,025	0,015		ES320
E370	1.0261	450	370	15	0,21	0,55	1,60	0,025	0,025	0,020		ES380
E420	1.0575	490	420	12	0,16	0,50	1,70	0,025	0,025	0,020		ED420

the additions of Nb, Ti; V, is allowed with discretion of the consctructor, but the content of such elements must be marked