UNS EV9

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

The high quality USA UNS EV9 material is one of the more steel grades we supply, Steel for exhaust valves. EV9 is our main production grade, which has been approved by customers in many countries since its initial production, including our EV9 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 EV9 materials, and we are willing to develop together with customers from all over the world.

Also includes EV9 steel material norm, chemical composition, mechanical properties, datasheet, EV9 equivalent, heat treatment and temperature process of EV9, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in EV9 this steel grade have a more comprehensive understanding, Download the full EV9 PDF version of this datasheet.

Chemical composition (wt.%) of EV9

Elements	Min.（≥）	Max.（≤）
C	0.35	0.50
Si	0.30	0.80
Mn	-	1.00
P	-	0.045
S	-	0.030
Cr	12.0	15.0
Ni	12.0	15.0
Mo	0.20	0.50
W	1.50	3.00

Mechanical Properties of EV9

Rp0.2 (MPa)	Rm (MPa)	Impact KV (J)	Elongation A (%)	A Z (%)	Delivery	Hardness HB
639 (≥)	941 (≥)	23	42	44	Solution & Aging, Ann, Ausaging, Q+T	443