DIN 2458

DIN 2458 Standard applies to the dimensions and the conventional masses per unit length of welded steel pipes according to the technical conditions of delivery as stipulated in DIN

1628 Part 1 to part 4, DIN 17172 and DIN 17177. St37.2 welded pipe also applies to other technical conditions of conditions of delivery in which reference to DIN2458 standard is made.

1628 Part 1 to part 4, DIN 17172 and DIN 17177. St37.2 welded pipe also applies to other technical conditions of conditions of delivery in which reference to DIN2458 standard is made.

Chemical composition
Steel grade		Type of deoxidation (RR.fully killed)	Chemical composition, % by mass					Addition of nitrogen fixing elements (e.g.no less than 0.020% Al total)
Symbol	Material number		C	Si	N	P	S
			max			max
St 37.2	1.0037	RR	0.17	--	0.009	0.050	0.050	--

Mechanical property

Mechanical property
Steel grade		Upper yield stress Reh for wall thickness in mm			Tensile N/mm2	Elongation after A5		Impact ISO V-notch test pieces at+20°C
Symbol	Material number	Up to 16	16-40	40-65		longitudinal	transverse	longitudinal	transverse
		N/mm2 min				% min		/ min
St 37.2	1.0037	235	225	215	340 to 510	17-26	---	27	--

It defines that sector, selected from DIN ISO 4200, within which welded steel pipes are standardized.It does not apply to precision steel tubes according to DIN 2393 and DIN 2394.

Chemical composition
Steel grade		Type of deoxidation (RR.fully killed)	Chemical composition, % by mass					Addition of nitrogen fixing elements (e.g.no less than 0.020% Al total)
Symbol	Material number		C	Si	N	P	S
			max			max
St 37.2	1.0037	RR	0.17	--	0.009	0.050	0.050	--

Mechanical property

Mechanical property
Steel grade		Upper yield stress Reh for wall thickness in mm			Tensile N/mm2	Elongation after A5		Impact ISO V-notch test pieces at+20°C
Symbol	Material number	Up to 16	16-40	40-65		longitudinal	transverse	longitudinal	transverse
		N/mm2 min				% min		/ min
St 37.2	1.0037	235	225	215	340 to 510	17-26	---	27	--

It defines that sector, selected from DIN ISO 4200, within which welded steel pipes are standardized.It does not apply to precision steel tubes according to DIN 2393 and DIN 2394.