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MATERIALS OF CONSTRUCTION
Nitin
manufactures castings in all grades of Heat and Corrosion
resistant alloy steels, as well as in special alloys developed
specifically for particular applications.
Some of these grades are given below :
|
| |
NITIN'S |
|
|
COMPOSITION |
EQUIVALENT
SPECN. |
| GRADE |
C |
Cr |
Ni |
Mn
Max |
Si
Max |
Mo
Max |
IS4522 |
ASTM
A297 |
NHC |
0.5
max |
26.0
-
30.0 |
4.0
max |
1.0 |
2.0 |
0.5max |
- |
HC |
NHD |
0.5
max |
26.0-
30.0 |
4.0-
7.0 |
1.5 |
2.0 |
0.5 |
GRADE
4 |
HD |
NHE |
0.2-0.5 |
26.0
30.0 |
8.0
11.0 |
2.0 |
2.0 |
0.2 |
GRADE
6 |
HE |
NHF |
0.2-0.4 |
18.0
23.0 |
8.0
12.0 |
2.0 |
2.0 |
0.5 |
GRADE
5 |
HF |
NHH1 |
0.2-0.5 |
24.0
28.0 |
11.0
14.0 |
2.0 |
2.0 |
0.5 |
GRADE
7 |
HH |
NHK |
0.2-0.6 |
24.0
28.0 |
18.0
22.0 |
2.0 |
2.0 |
0.5 |
GRADE
9 |
HK |
NHL |
0.2-0.6 |
28.0
32.0
|
18.0
22.0 |
2.0 |
2.0 |
0.5 |
GRADE
10 |
HL |
NHN |
0.2-0.5 |
19.0
23.0 |
23.0
27.0 |
2.0 |
2.0 |
0.5 |
GRADE
11 |
HN |
NHT |
0.35-0.75
|
15.0
19.0 |
33.0
37.0 |
2.0 |
2.5 |
0.5 |
GRADE
12 |
HT |
NHU |
0.35-0.75 |
17.0
21.0 |
37.0
41.0 |
2.0 |
2.5 |
0.5 |
GRADE
13 |
HU |
NHX |
0.35-0.75
|
15.0
19.0 |
64.0
68.0 |
2.0 |
2.5 |
0.5 |
GRADE
14 |
HX |
Corrsion-Resistant
Cast Steels
NITIN'S
|
|
COMPOSITION
% |
|
|
|
EQUIVALENT
GRADES |
GRADE |
C(Max) |
Ni |
Cr |
Mo |
Mn
Max |
Si
Max |
Other
Elements |
INDIAN
IS-3444 |
AMERICAN
ASTM A743 |
NCA-1 |
0.15 |
1.0Max |
11.5-14.0 |
0.5Max |
1.0 |
1.5 |
- |
GRADE
10 |
CA-15 |
NCA-2 |
0.2-0.4 |
1.0Max |
11.5-14.0 |
0.4-1.0 |
1.0 |
1.0 |
- |
GRADE
14 |
CA-40 |
NCA-3 |
0.06 |
3.5-4.5 |
11.5-14.0 |
0.4-1.0 |
1.0 |
1.0 |
- |
GRADE
24 |
CA-6NM |
NCF-2b |
0.08 |
8.0-11.0 |
18.0-21.0 |
2.0-3.0 |
1.5 |
2.0 |
- |
GRADE
1 |
CF-8 |
NCF-3b |
0.08 |
9.0-12.0 |
18.0-21.0 |
2.0-3.0 |
1.5 |
2.0 |
- |
GRADE
4 |
CF-8M |
NCF-4a |
0.03 |
8.0-12.0 |
17.0-21.0 |
- |
1.5 |
2.0 |
- |
GRADE
15 |
CF-3 |
NCF-4b |
0.03 |
9.0-13.0 |
17.0-21.0 |
2.0-3.0 |
1.5 |
1.5 |
- |
GRADE
16 |
CD-3M |
NCN |
0.07 |
27.5-30.5 |
19.0-22.0 |
2.0-3.0 |
1.5 |
1.5 |
Cu-3.0-4.0 |
GRADE
18 |
CN-7M |
NCD3a |
0.03 |
4.5-6.5 |
21.0-23.5 |
2.5-3.5 |
1.5 |
1.0 |
Cu=1.0
max,
N=0.1 to 0.3 |
- |
A-890
4A |
NCD3b |
0.03 |
6.5-8.5 |
24.0-26.0 |
3.0-4.0 |
1.5 |
1.0 |
Cu=0.5-2.0
N=0.2-0.3
W=0.5-1.0 |
- |
A-890-6A |
NCE |
0.03 |
6.0-8.0 |
24.0-26.0 |
4.0-5.0 |
1.5 |
1.0 |
N=0.1-0.3 |
- |
A890-5A |
NCD4 |
0.04 |
4.7-6.0 |
24.5-26.5 |
1.7-2.3 |
1.0 |
1.0 |
Cu=2.7-3.3
N=0.1-0.25 |
- |
A890-1B |
Special
Heat-Resisting Alloys
NITIN'S |
CHEMICAL
COMPOSITION (NOMINAL %) |
|
EQUIVALENT |
| GRADE |
C |
Si |
Mn |
Cr |
Ni |
Others |
Grade |
NHK-40 |
0.40 |
1.30 |
1.30 |
25.0 |
20.0 |
- |
ASTM
A351/
608 HK-40 |
N-24/24Nb |
0.30 |
0.80 |
1.30 |
24.0 |
24.0 |
Nb=1.50 |
IN-519 |
N25/35 |
0.40 |
1.30 |
1.30 |
25.0 |
35.0 |
- |
HP-40 |
N25/35NB |
0.40 |
1.30 |
1.30 |
25.0 |
35.0 |
Nb=1.00 |
HP-40Nb |
N25/35Nb
Mod, |
0.43 |
1.30 |
1.30 |
25.0 |
35.0 |
Nb=1.00
+
OTHERS |
HP-40Nb
(MICRO ALLOYED) |
N25/35WNB |
0.45 |
1.80 |
1.30 |
25.0 |
35.0 |
W+Nb |
- |
N20/32Nb |
0.10 |
1.20 |
1.30 |
20.0 |
32.0 |
Nb-0.90 |
CAST
ALLOY 800H |
N28/48W |
0.50 |
1.50 |
1.50 |
28.0 |
48.0 |
W=5.0 |
ALLOY
22H |
N28/48W
SUPER |
0.50 |
1.25 |
1.50 |
27.0 |
48.0 |
Co
2.5/4.0 |
ALLOY
22H SUPER |
N29/35WCo |
0.50 |
1.50 |
1.20 |
29.0 |
35.0 |
W-5.0
Co=15.0 |
SUPER
THERM |
N50/50Nb |
0.10 |
0.5 |
0.3 |
50.0 |
BAL. |
Nb=1.5 |
IN-657
(ASTM A560) |
N35/45Nb |
0.40 |
1.0 |
1.30 |
35.0 |
45.0 |
Nb=1.0 |
- |
N35/45Nb
MOD. |
0.43 |
1.60 |
1.30 |
35.0 |
45.0 |
Nb=1.00+
OTHERS |
- |
UMCO-50 |
0.2 |
1.3 |
0.8 |
28.0 |
- |
Co-50.0 |
- |
UMCO-51 |
0.3 |
1.0 |
0.8 |
28.0 |
- |
Co=50.0
Nb-2.0 |
- |
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