DIN 17102 StE255 automobile structure steel plate

DIN 17102 StE255 automobile structure steel plate Introduction

DIN 17102 StE255 is a standard for weldable normalized fine grain structural steels. This standard applies to hot rolled products in the form of flats (plate, strip, wide flats), sections, and bars of weldable fine grain structural steels exhibiting. It's used in various fields of application for which additional specifications exist.

DIN 17102 StE255 automobile structure steel plate Mechanical Properties

Grade	StE255
C	≤0.18
Si	≤0.40
Mn	0.5
P	≤0.035
S	≤0.03
N	≤0.02
Al	≥0.02
Cr	≤0.3
Cu	≤0.2
Mo	≤0.08
Ni	≤0.3
Nb	≤0.03
Nb+Ti+V	≤0.05

DIN 17102 StE255 automobile structure steel plate Mechanical Properties

The bending properties of DIN 17102 StE255 are not explicitly mentioned in the sources. However, given its mechanical properties such as tensile strength and yield strength, it can be inferred that this steel should have reasonable bending properties. For specific bending requirements, it's recommended to refer to the detailed technical delivery conditions for this steel grade or consult with a materials engineer.

Grades		StE255
Tensile Strength Rm for product thicknesses s,in mm (N/mm²)	s≤70	360~480
	70＜s≤85	350~470
	85＜s≤100	340~460
	100＜s≤125	330~450
	125＜s≤150	320~440
UpperYield Stress ReH² for product thicknesses s,in mm (N/mm² min.)	s≤16	255
	16＜s≤35	255
	35＜s≤50	245
	50＜s≤60	235
	60＜s≤70	235
	70＜s≤85	225
	85＜s≤100	215
	100＜s≤125	205
	125＜s≤150	195
Elongation after fracture3) (Lo=5do) % min.		25
Mandrel diameter for bend test 4), 5)	Longitudinal	1a
Mandrel diameter for bend test 4), 5)	Transverse 6)	1a

DIN 17102 StE255 automobile structure steel plate Conclusion

DIN 17102 StE255 is a weldable normalized fine grain structural steel. It exhibits a minimum yield strength of 255 MPa and a tensile strength of 360-480 MPa. It's used in various applications and has specific mechanical properties making it a versatile choice for structural applications. However, for specific bending requirements, further consultation with a materials engineer is recommended.