Steel Plate 1E0653 high yield strength steel

The technical conditions apply to plates of 1E0653 with thickness not more than 60mm. (8mm-60mm)

Thickness tolerance: +/-1.52mm
Flatness: 4mm/m
Surface shot blasting or peeled.

Steel making process: EAF+LF/VD

Carbon equivalent (CEq)
Carbon equivalent shall be not more than 0.76 for plates of 1E0653.
Carbon equivalent shall be calculated as follows:
CEq=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15 (%)

1E0653 Chemical composition:

Ceq

0.15~0.21

0.15~0.4

0.95~1.4

≤0.025

≤0.015

0.4~0.65

≤0.35

≤0.07

0.0005~0.003

≥0.020

≤0.70

≤0.02

≤0.03

≤0.065

≤0.61

Mechanical properties 1E0653:

Size mm	Mechanical properties				Lateral expansion	Hardness test
Size mm	Mechanical properties				Lateral expansion	1/4 T
8-60	Yield strength MPa	Tensile strength MPa	Section shrinkage ratio %	Elongation %	mm	HRC
8-60	Min 620	725-860	Min 45	Min 14	Min 0.38	20-30