Specification For Steel Castings
| Type of Steel | Specification / Grade | Grade | Equivalent / Nearest International Standard |
CHEMICAL COMPOSITION (Values are in Max % unless specified) |
PHYSICAL PROPERTIES (Values are in Max % unless specified) |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C | Si | Mn | P | S | Cr. | Ni | Mo. | YS | UTS Kgf/mm2 (Mps) |
Elongation | Production in Area |
Hardness | |||||
| Austentic management steel casting |
IS - 276 (1982) | Gr. 1 Gr. 2 Gr. 3 Gr. 4 |
ASTM-A128 Gr.A ASTM-A128 Gr.B1 ASTM-A128 Gr.C ASTM-A128 Gr.D |
1.05 1.35 0.90 1.05 1.05 1.35 0.70 1.30 |
1.00 1.00 1.00 1.00 |
11.00 14.00 11.50 14.00 11.50 14.00 11.50 14.00 |
0.090 0.090 0.090 0.090 |
0.060 0.060 0.060 0.060 |
- - - - |
- - - - |
- - - - |
Bend Test only required Bend Test only required Bend Test only required Bend Test only required |
||||
| Carbon steel casting for general engg. purposes |
IS - 1030 (1989) | 200-400N 200-400W 230-450N 230-520N 280-520N 280-520W 340-570N 340-570 |
ISO-3755 | - 0.25 - 0.25 - 0.25 - 0.25 |
- 0.60 - 0.60 - 0.60 - 0.60 |
- 1.00 - 1.20 - 1.20 - 1.50 |
0.045 0.040 0.045 0.040 0.045 0.040 0.045 0.045 |
0.040 0.035 0.040 0.035 0.040 0.035 0.040 0.035 |
- - - - |
- - - - |
- - - - |
20(200) 20(200) 23(230) 23(230) 28.5(280) 28.5(280 34.7(340) 34.7(340) |
40(400) 40(400) 45(450) 45(450) 52(520) 52(520) 58(570) 58(570) |
25 25 22 22 18 18 15 15 |
40 40 31 31 25 25 21 21 |
|
| High tensile steel castings |
IS - 2644 (1986) | CS-640 CS-700 CS-840 CS-1030 CS-1230 |
- - - - - |
- - - - - |
- - - - - |
0.045 0.045 0.045 0.045 0.045 |
0.045 0.045 0.045 0.045 0.045 |
- - - - |
- - - - |
- - - - |
40(390) 57(560) 71(700) 86(850) 102(100) |
65(640) 71(700) 85(840) 105(1030) 126(1230) |
15 14 12 8 5 |
35 30 28 20 12 |
||
| Carbon steel casting for surface hardnening |
IS - 2707 (1989) |
Gr. 1 Gr. 2 |
BS-3100, AW2 | 0.42 0.48 0.39 0.45 |
0.60 0.30 0.80 |
1.00 1.00 1.40 |
0.050 0.050 |
0.050 0.050 |
- - - - |
- - - - |
- - - - |
33(320) 50(490) |
63(620) 70(690) |
12 12 |
- - |
|
| 1.5% Manganese steel castings |
IS - 2708 (1993) | Gr. I Gr. II Gr. III |
BS-3100, A4 BS-3100, A5 BS-3100, A6 |
0.18 0.25 0.25 0.33 0.25 0.33 |
0.60 0.60 0.60 |
1.20 1.60 1.20 1.60 1.20 1.60 |
0.050 0.050 0.050 |
0.050 0.050 0.050 |
- - - - |
- - - - |
- - - - |
33 (320) 38 (370) 51 (495) |
53 (520) 63 (620) 70 (690) |
16 13 13 |
- - - |
|
| Steel Castings with high magnetic permeability |
IS - 4491 (1986) | Gr. I Gr. II |
BS-3100, AM1 BS-3100, AM2 |
0.15 0.25 |
0.60 0.60 |
0.50 0.50 |
0.040 0.040 |
0.040 0.040 |
- - - - |
- - - - |
- - - - |
19 (190) - 22 (220) |
35 (340) 44 (340) 41 (400) 50 (490) |
22 22 |
40 30 |
|
| High Carbon Steel Castings |
IS - C45 | Gr. A |
EN 8 / C 45 EN 9 / C 50 EN 19 EN 24 EN 31 |
0.35 - 0.45 0.50 - 0.60 0.35 - 0.45 0.35 - 0.45 0.90 - 1.2 |
0.60 - 1.0 0.5 - 0.80 0.5 - 0.80 0.45 - 0.70 0.3 - 0.75 |
0.10 - 0.35 0.05 - 0.35 0.10 - 0.35 0.10 - 0.35 0.10 - 0.35 |
0.05 max 0.04 max 0.04 0.04 0.04 |
0.05 max 0.04 max 0.04 0.04 0.04 |
- - 0.90 - 1.4 0.90 - 1.4 1.0 - 1.6 |
- - - 1.30 - 1.8 - |
- - 0.2 - 0.4 0.2 - 0.4 - |
510 550 510 600 850 |
245 260 420 680 |
17% 16% 13% 13% |
16 20 25 25 |
180 200 230 250 |