35HGS

TOUGHENING AND STRUCTURAL STEEL

NORM: PN-89/H-84030/04

APPLICATION:

Steel susceptible to pins, rolls, bushings and other highly loaded elements, working at max. 150–200°C.

MECHANICAL PROPERTIES:

Property	Symbol	Unit	After heat treatment
Ultimate tensile strength	Rm	MPa	≥ 1620
Yield stress	Re (Rp0,2)	MPa	≥ 1280
Elongation	A	%	≥ 9
Reduction of area	Z	%	≥ 40
Impact energy	KV	J	≥ 40

Technological treatment processes:

Technological treatment processes			Possible application	Temperature, °C
Hot forming	Forging		+	(1050 – 850)
	Rolling		+	(1230 – 840)
Treatment	Heat treatment	Quenching	+	860-880/o
		Tempering	+	500 – 650
	Precipitation strengthening	Supersaturation	–	–
		Ageing	–	–
	Annealing	Normalising	+	(860 – 880)
		Soft annealing	+	(680 – 720)
Thermochemical treatment	Carburising		–	–
	Other		–	–

INTERNATIONAL STEEL GRADES: