Hot-rolled by cold forming

Hot-rolled cold-forming steels are ranked in ascending order of formability and can be used from the least critical stampings (DD11) to the deepest embeddings (DD14). If not specified, the material is supplied with pickled and oiled surface.

"Black" hot rolled laminate - with a rough rolling surface, so called because of the presence of calamine - is available. Calamine is an oxide layer that characterizes the coloring and protects the material from weathering.

Mechanical characteristics

Chemical composition

Comparison tables

Mechanical characteristics

Chemical composition

Comparison tables

Areas of use:

• Industry
• Construction
• Transportation
• Metal structures
• Carpentry in general
• Naval

Technical supply conditions:

The standard establishes the quality of mechanical properties inherent in continuously hot-rolled plates and coils of low carbon steel by cold forming.

EN10111:2008 certified quality for cold drawing and bending steels
EN10149:1997 quality certified for high strength steels

Data sheet

Data sheet with current European standards and technical characteristics of the product.

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Hot rolled laminate for structural uses

Structural steels are suitable for structural uses by exhibiting various technological properties such as welding, formability, bending, hot-dip galvanizing and machinability.

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Quality	R_e (MPa)		R_m (MPa)	A₈₀ (%)		A₅ (%)
Quality	min-max		max	min		min
EN10111:98	1.5≤t<2.0	2.0≤t≤11		1.5≤t<2.0	2.0≤t<3.0	3.0≤t≤11
DD11	170–360	170-340	440	≥23	≥24	≥28
DD12	170–340	170-320	420	≥25	≥26	≥30
DD13	170-330	170-310	400	≥28	≥29	≥33
DD14	170-310	170-290	380	≥31	≥32	≥36
Tensile tests performed on transverse specimens t=laminate thickness in mm

Quality	C (%)	Mn (%)	P (%)	S (%)
EN10111:98	max	max	max	max
DD11	0.12	0.60	0.045	0.045
DD12	0.10	0.45	0.035	0.035
DD13	0.08	0.40	0.030	0.030
DD14	0.08	0.35	0.025	0.025

EUROPE	MATERIAL	I	D	E	F	GB	USA	JAPAN
EN 10111:2008	N°	UNI 5867:73	DIN 1614/2:86	UNE 36093:91	NF A36-301:92	BS 1449/1:91	ASTM:96	JIS G 3131:96
–	–	Fe P10	–	–	–	HR4	–	–
DD11	1.0332	Fe P11	StW22	AP11	1C	HR3	A 569 HRCQ	SPHC
DD12	1.0398	Fe P12	StW23	AP12	–	HR2	A 621 HRDQ	SPHD
DD13	1.0335	Fe P13	StW24	AP13	3C	HR1	A 622 HRDQSK	SPHE
DD14	1.0389	–	–	–	–	–	–	–