UNS EV4

2014-01-06 13:37:52 Print this page

The high quality USA UNS EV4 material is one of the more steel grades we supply, Steel for exhaust valves. EV4 is our main production grade, which has been approved by customers in many countries since its initial production, including our EV4 round bars, flat bar, forgings, fasteners, tubes, wires, strips, sheets & Plates, as well as a variety of profiles, professional high precision auto-lathe processing manufacturer of clinching fasteners, axes, standoffs, screws, studs, nuts, bolt, OEM parts and special shaped turning partsthe state of delivery includes quenched and tempered, annealed, machined semi-finished products, we also have strict management of the packaging, to avoid material damage from transportation. We are the best supplier of EV4 materials, and we are willing to develop together with customers from all over the world.

Also includes EV4 steel material norm, chemical composition, mechanical properties, datasheet, EV4 equivalent, heat treatment and temperature process of EV4, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in EV4 this steel grade have a more comprehensive understanding, Download the full EV4 PDF version of this datasheet.

Chemical composition (wt.%) of EV4

Elements	Min.（≥）	Max.（≤）
C	0.15	0.25
Si	0.70	1.00
Mn	1.00	1.50
P	-	0.045
S	-	0.030
Cr	20.0	22.0
Ni	10.5	12.5
N	0.15	0.20

Mechanical Properties of EV4

Rp0.2 (MPa)	Rm (MPa)	Impact KV (J)	Elongation A (%)	A Z (%)	Delivery	Hardness HB
197 (≥)	856 (≥)	42	41	12	Solution & Aging, Ann, Ausaging, Q+T	113