| Steel Type |
Quality |
Aisi |
Typical analysis in % |
C |
Si |
Mn |
Cr |
W |
V |
Co |
Mo |
ni |
High |
18% w |
t1 |
0.75 |
0.40 |
0.40 |
4.30 |
18.0 |
1.00 |
---- |
---- |
---- |
Speed |
18% w + 5% co. |
t4 |
0.80 |
0.40 |
0.40 |
4.30 |
18.0 |
1.60 |
5.0 |
0.80 |
---- |
Steel |
18% w + 10% Co. |
t5 |
0.75 |
0.40 |
0.40 |
4.30 |
18.0 |
1.60 |
9.5 |
0.80 |
---- |
|
6 / 5 / 2 |
m2 |
0.80 |
0.40 |
0.40 |
4.30 |
18.0 |
2.00 |
---- |
5.00 |
---- |
Hot Work |
9% W |
h21 |
0.30 |
0.20 |
0.30 |
2.60 |
8.5 |
0.40 |
---- |
---- |
---- |
Steel |
5% Cr |
h11 |
0.36 |
1.00 |
0.40 |
5.00 |
---- |
0.40 |
---- |
1.10 |
---- |
Non |
hchc |
d3 |
2.0 |
0.30 |
0.30 |
12.00 |
---- |
---- |
---- |
---- |
---- |
Shrinking |
" |
d2 |
1.70 |
0.30 |
0.30 |
12.00 |
0.5 |
0.10 |
---- |
0.60 |
---- |
Die steel |
ohns |
01 |
0.95 |
---- |
1.00 |
0.50 |
0.5 |
0.10 |
---- |
---- |
---- |
|
" |
02 |
0.90 |
0.20 |
1.90 |
0.30 |
---- |
0.10 |
---- |
---- |
---- |
|
" |
e0300 |
1.00 |
0.40 |
1.00 |
1.00 |
---- |
0.10 |
---- |
0.10 |
---- |
Pneumatic Steel |
s2 |
0.48 |
0.90 |
0.30 |
1.00 |
1.90 |
0.20 |
---- |
---- |
---- |
Shock-Resisting V6N Steel |
|
|
0.90 |
---- |
---- |
---- |
---- |
0.20 |
---- |
---- |
0.70 |
Stainless Magnetic |
410 |
0.10 |
0.75 |
1.00 |
13.00 |
---- |
---- |
---- |
---- |
0.60 |
Steel Non-Magnetic |
304 |
0.08 |
1.00 |
2.00 |
18.00 |
---- |
---- |
---- |
---- |
10.00 |
Carbon Tool Steel |
|
1095 |
0.90 |
0.20 |
0.40 |
---- |
---- |
---- |
---- |
---- |
---- |
Constructional Steel |
EN-8 |
1040 |
0.35/
0.45 |
0.10/
0.35 |
0.60/
0.90 |
---- |
S&P each 0.06
(Max) |
|
|
|
|
En-9 |
1055 |
0.45/
0.60 |
0.10/
0.35 |
0.50/
0.80 |
|
S&P each 0.06
(Max) |
|
|
|
|
EN-19 |
4140 |
0.35/
0.45 |
0.10/
0.35 |
0.50/
0.80 |
0.90/
1.50 |
S&P each 0.05
(Max) |
|
0.20/
0.40 |
|
|
EN-24 |
4340 |
0.35/
0.45 |
0.10/
0.35 |
0.45/
0.70 |
0.90/
1.40 |
S&P each 0.05
(Max) |
0.20/
0.35 |
1.30/
1.80 |
|
|
EN-30 B |
|
0.26/
0.34 |
0.10/
0.35 |
0.40/
0.60 |
1.10/
1.40 |
S&P each 0.05
(Max) |
0.20/
0.40 |
3.90/
4.30 |
|
|
EN-31 |
52100 |
0.95/
1.20 |
0.10/
3.35 |
0.30/
0.75 |
1.00/
1.60 |
S&P each 0.025
(Max) |
|
|
|
|
EN-36 |
3310 |
0.15 |
0.10/
0.35 |
0.30/
0.60 |
0.60/
1.10 |
S&P each 0.05
(Max) |
|
3.00/
3.75 |
|
Spring |
EN-45 |
9255 |
0.50/
0.60 |
1.50/
2.00 |
0.70/
1.00 |
|
S&P each 0.05
(Max) |
|
|
|
Steel |
EN-47 |
6150 |
0.45/
0.55 |
0.50 |
0.50/
0.80 |
0.80/
1.20 |
0.15 S&P
(Max) |
each
(Max) |
0.05 |
|
Case Hardening
Steel SAE |
8620 |
0.18/
0.23 |
0.20/
0.35 |
0.70/
0.90 |
0.40/
0.60 |
S&P each 0.04
(Max) |
0.15/
0.25 |
0.40/
0.70 |
|
NOTES : O=Oil, CA-Compressed Air, M=Martempering bath, W=Water, A=Air
Forging
Temp.
oC |
Annealing
Temp.
oC |
Hardening
Temp.
oC |
Quenching Medium |
Tempering
Temp.
oC |
Hardness
Rockwell
'C' |
1150-900 |
830-870 |
1240-1290 |
O. CA. M. |
550-580 |
64-66 |
1150-900 |
800-850 |
1250-1310 |
O. CA. M. |
550-580 |
64-66 |
1120-950 |
800-850 |
1260-1320 |
O. CA. M. |
560-590 |
64-66 |
1100-900 |
800-850 |
1190-1250 |
O. CA. M. |
540-570 |
64-66 |
1100-900 |
740-780 |
1070-1150 |
O. CA. M. |
600-680 |
42-50 |
1100-900 |
800-830 |
980-1030 |
O. CA. |
550-650 |
38-52 |
1050-850 |
800-850 |
920-980 |
O. CA. M. |
100-350 |
58-65 |
1050-850 |
800-850 |
970-990 |
O. CA. M. |
100-350 |
58-65 |
1050-850 |
740-760 |
780-820 |
O. M. |
100-300 |
58-63 |
1050-850 |
690-710 |
780-830 |
O |
100-300 |
58-64 |
1050-850 |
760-800 |
800-850 |
O. CA. |
200-Max |
58-61 |
1050-850 |
720-740 |
900-950 |
O |
150-400 |
50-57 |
1050-800 |
740-760 |
770-830 |
W |
150-250 |
58-64 |
1050-1100 |
800-900 |
1000 |
O
Rapid
Cooling |
700-750 |
BHN
159-229
BHN
135-185 |
1050-1100 |
|
1100 |
|
1000-800 |
750-780 |
760-820 |
W |
150-200 |
59-62 |
1100-850 |
650-700 |
820-850 |
O.W. |
530-670 |
BHN |
Normalise 840-870 |
|
|
|
179-229 |
1050-850 |
680-720 |
800-840 |
O.W. |
530-670 |
BHN |
Normalise 820-850 |
|
|
|
201-277 |
1050-850 |
680-720 |
820-850 |
O.W. |
530-670 |
BHN |
Normalise 850-880 |
|
|
|
201-415 |
1050-850 |
650-700 |
830-850 |
O |
530-670 |
BHN |
Normalise 850-880 |
|
|
|
223-444 |
1050-900 |
580-630 |
810-830 |
O.A. |
530-670 |
BHN |
Normalise 810-850 |
|
|
|
285-444 |
1100-850 |
750-800 |
790-850 |
O.W. |
150-170 |
60-65 |
Normalise 860-890 |
|
|
|
|
1100-850 |
620-670 |
790-850 |
O |
170-210 |
BHH |
Carburise 860-890 : Refine 850-880 |
|
|
|
220 |
900-830 |
650-680 |
830-820 |
O |
470-570 |
BHN |
|
|
|
|
235 |
900-1150 |
|
780-820 |
O.A. |
150-200 |
|
Carburise 880-930 : Refine 850-880 |
|
|
|
|
| ALTERNATIVE MATERIALS - MILD STEEL AND MEDIUM CARBON STEELS |
Sl. No. |
Indian (IS & IRS) |
British (EN) |
American (AISI) |
West German |
Austrian (Bohler) |
Japan (JIS) |
Czechoslovakia (CSN) |
Russian (GOST) |
Hungarian (MSZ) |
(1) |
(2) |
(3) |
(4) |
(5) |
(6) |
(7) |
(8) |
(9) |
(10) |
1. |
---- |
---- |
C 1010 |
ST 35 |
---- |
SIOC, S 15 C |
11350 |
ST 2 |
---- |
2. |
---- |
---- |
---- |
ST 35, 8,
ST 23 |
---- |
---- |
11353 |
---- |
---- |
3. |
IS 513/63 |
2A, 2A1 |
C 1006 |
---- |
---- |
---- |
11330 |
---- |
---- |
4. |
IS 2002 Gr. 1
IRS R-29 |
BS 1501/161
Gr. 238 |
A 285 Gr. B
(ASTM) |
H-1 |
---- |
---- |
11366
11364 |
15 K |
35 U, 35-0 |
5. |
ST - 37 - 1570/1961
IRS M4/61 Class 1 |
---- |
---- |
ST - 37.3 |
---- |
---- |
11373
11370
11353
11350 |
380 - 60 |
---- |
6. |
---- |
---- |
C -1010 |
RST 42 - 2 |
EI, ESI |
---- |
11375 |
Vst 3 |
36.24 S |
7. |
IS 1570/61 - C15
IS 2002 - 62 Gr. 24 |
BS 1501/161
Gr. 26 B
BS 14/42 |
A - 201
Gr. B. Fx
(ASTM) |
H - II
AST 41 |
---- |
G - 3103,
SB 42 B |
11416 |
20 K |
41 U.41 0 |
8. |
IS 226 |
BS 1501/101 |
---- |
----- |
---- |
---- |
11425 |
VST 4 |
45.30 S |
9. |
IS 1570/61
C 15 Mn 75 |
BS 1501/221
Gr. 28 B |
----
---- |
AST 45
H III |
----
---- |
G - 3103
CI. B
SB 35/B |
11444 |
---- |
---- |
10. |
IS 2041 Type 2 |
BS 1501/221
Gr. 30 B |
A 299
A 212
Gr. A Fx
(ASTM) |
H IV |
---- |
G - 3103
Class 2
SB 46 B |
11474 |
---- |
---- |
11. |
IS 1570/61 C35 Mn 75 IRS M4.49
IS 961/62 ST 58 HT
IS 1875/61 C. I. 3
IS 1149/57 |
EN 5D, 6 |
C 1033
C 1034 |
50-2 HM |
---- |
---- |
11500 |
VST 5 |
---- |
12. |
IS 1570/61 30 Mn 2
IS 961/62 ST 55 HTW
IRS M/4/61 C1 III
IRS M23-38 " IX IRS M3-41 " III |
En 32 A,C |
1330
(SAE) |
St 5.03 |
---- |
---- |
11523 |
---- |
MTA 50 |
13. |
IS 1875/61 C1. IV
IRS M3-49 " IV
IRS M4-61 " IV |
En 8A, 8B
En 9 |
C 1038
C 1040
C 1060
C 1055
W1. |
St 60 2 HH
40 Mn 4
St 70-2 |
----
---- |
S-40 C
SK 7.
S 55 C |
11600
11700 |
St 6
St 7 |
----
---- |
|