Engine Valve Steels
Engine Valve Steels
These highly alloyed (Mn-Ni-Cr-Mo-N) magnetic and non-magnetic steels are used for Inlet & Exhaust Valves for IC Engines, which function under conditions of severe heat and corrosion stress. These grades of steel are known to retain their properties at elevated temperatures. Allianz Steel offers a bouquet of material for these demanding applications.
Size Range
Dia. : 5.00 mm to 60.00mm
Dim. Tol. : ISO h9, h11 +0.05/-0, +/-0.05, +/-0.10 and Black Bars.
Supply Conditions
Martensitic grades are supplied in the Hot Rolled, Annealed or Hardened & Tempered Condition.
Austenitic grades are supplied in Hot Rolled & Solution Annealed Condition.
Centre less ground/ Peeled/Hot Rolled Black condition.
International Standards of Valve Steels
|
IS |
DIN |
BS |
SAE |
JIS |
|
X45Cr9Si3 |
1.4718 |
EN52 |
HNV3 |
SUH 1/SUH 11 |
|
X40Cr11SI2Mo1 |
1.4731 |
-- |
-- |
SUH 3 |
|
X85CrMoV18-2 |
1.4748 |
-- |
-- |
-- |
|
X55Cr21Mn8Ni2N |
1.4866 |
23-8N |
EV16 |
-- |
|
X53Cr22Mn9Ni4N |
1.4871 |
21-4N |
EV 8 |
SUH 35 |
|
X20Cr21Ni12N |
1.4875 |
21-2N |
EV 12 |
-- |
|
-- |
1.4882 |
21-43 |
EV 8+Nb |
-- |
|
-- |
-- |
21-12N |
EV4 |
SUH 37 |
Chemical Composition
|
DIN |
C |
Si |
Mn |
PMax |
S Max |
Cr |
Mo |
Ni |
N |
V |
W |
Nb+Ta |
CU |
Nb |
B |
Fe |
AI |
Ti |
Ti+Ai |
Co |
|
1.4718 |
0.40 |
2.75 |
0.80 |
0.04 |
0.03 |
7.50 |
-- |
0.50 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
SUH 11 |
0.45 |
1.00 |
0.60 |
0.04 |
0.03 |
7.50 |
-- |
0.60 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
1.4731 |
0.35 |
1.80 |
0.60 |
0.04 |
0.03 |
10.00 |
0.70 |
0.60 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
1.4748 |
0.80 |
1.00 |
1.50 |
0.04 |
0.03 |
16.50 |
2.00 |
-- |
-- |
0.30 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
1.4875 |
0.50 |
0.25 |
7.00 |
0.05 |
0.03 |
19.50 |
-- |
1.50 |
0.20 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
1.4871 |
0.48 |
0.25 |
8.00 |
0.05 |
0.03 |
20.00 |
-- |
3.25 |
0.35 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
21-12N |
0.15 |
0.70 |
1.50 |
0.05 |
0.03 |
20.00 |
-- |
10.50 |
0.15 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
1.4866 |
0.28 |
0.50 |
1.50 |
0.05 |
0.03 |
22.00 |
-- |
7.00 |
0.25 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
1.4882 |
0.45 |
0.45 |
8.00 |
0.05 |
0.03 |
20.00 |
-- |
3.50 |
0.40 |
-- |
0.80 |
1.80 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
SWS3015R |
0.08 Max |
0.50 Max |
0.50 Max |
0.030 Max |
0.015 Max |
13.50 15.50 |
0.40 1.00 |
29.50 33.50 |
-- |
-- |
-- |
-- |
0.50 Max |
0.40 0.90 |
0.002 0.006 |
Balance |
1.60 2.20 |
2.30 2.90 |
-- |
-- |
|
SWS3015VR |
0.08 Max |
0.50 Max |
0.50 Max |
0.030 Max |
0.015 Max |
13.50 15.50 |
0.40 1.00 |
29.50 33.50 |
-- |
-- |
-- |
-- |
0.50 Max |
0.40 0.90 |
0.002 0.006 |
Balance |
1.60 2.20 |
2.30 2.90 |
-- |
-- |
|
SWS40VR |
0.08 Max |
0.50 Max |
0.50 Max |
0.030 Max |
0.015 Max |
14.00 16.00 |
0.40 1.00 |
39.00 43.00 |
-- |
-- |
-- |
-- |
0.50 Max |
1.00 1.50 |
0.002 0.006 |
Balance |
1.60 2.20 |
2.00 2.60 |
-- |
-- |
|
SWS36VR |
0.10 Max |
0.50 Max |
0.50 Max |
0.015 Max |
0.015 Max |
18.50 20.00 |
-- |
35.00 37.00 |
-- |
-- |
-- |
2.10 2.70 |
0.50 Max |
-- |
-- |
Balance |
1.70 2.10 |
1.00 1.40 |
-- |
-- |
|
SWN751VR |
0.03 0.10 |
0.50 Max |
0.50 Max |
0.015 Max |
0.015 Max |
14.00 17.00 |
0.50 Max |
Balance |
-- |
-- |
-- |
0.70 1.20 |
0.50 Max |
-- |
0.0015 0.009 |
5.0 9.0 |
1.10 1.35 |
2.20 2.60 |
3.30 Min |
1.0 Max |
|
SWN080VR |
0.04 0.10 |
1.00 Max |
1.00 Min |
0.015 Max |
0.02 Max |
18.00 21.00 |
-- |
65.00 Min |
-- |
-- |
-- |
-- |
0.2 Max |
-- |
0.008 Max |
3.00 Max |
1.00 1.80 |
1.80 2.70 |
-- |
2.0 Max |