|
We can manufacture castings conforming
to the following standards and specifications:
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|
Type of castings
|
Specifications followed
|
Chemical composition
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Hardness
|
Tensile strength
|
Uses
|
| Grey
Iron castings |
ISI,
ASTM, DIN |
C-
3.2 to 3.8%
Si- 1.4 to 2.5%
Mn- 0.4 to 1.0%
P- 0.15% max.
S- 0.10% max |
160
- 230 BHN |
20-30
Kgf/mm2 |
Automotive
applications, machine tools, gas and water pipe fittings, household appliances |
| Malleable
Iron Castings |
ISI,
ASTM |
C-
2.0 to 3.0%
Si- 0.6 to 1.3%
Mn- 0.2 to 0.6%
P- 0.15%
S-0.10% max
Other alloying elements, as required |
Ferrite-
150 BHN max.
Pearlite-
150 - 320 BHN |
Ferrite-
27.6 -34.5 Kgf/mm2
Pearlite-
41.4 -72.4 Kgf/mm2 |
Automotive
applications, agricultural implements, electrical hardware |
| S.G.
Iron / Ductile Iron Castings |
ISI,
ASTM, DIN |
C-
3.5 to 4.6%
Si- 2.0 to 4.0%
Mn- 0.4% max
S- 0.03% max
P- 0.08% max |
170-
350 BHN |
40
- 80 Kgf/mm2 |
Valves
and fittings, automotive applications, agricultural implements, earth-moving
machinery, steel-mill rolls and mill equipment |
| Carbon
Steel Castings |
ISI,
ASTM |
C-
0.2 to 1.2%
Si- 0.25 to 1.0%
Mn- 0.50 to 1.0%
P- 0.05% max
S- 0.05% max |
131
- 212 BHN |
43.4
- 72.4 Kgf/mm2 |
Automotive
applications, electrical applications, marine equipment, transport equipment |
| Low
Alloy Steel Castings |
ISI,
ASTM, DIN |
C-
0.2 - 0.5%
Si- > 0.5%
Mn- >0.5%
P- <0.05
S- <0.05%
Other alloying elements not to exceed 8% |
221
- 607 BHN |
46.9
- 141.3 Kgf/mm2 |
Agricultural
implements, earth-moving machinery, valves and fittings |
| Manganese
Steel Castings |
ISI,
ASTM, DIN |
C-0.8
- 1.4%
Si - 0.8% max
Mn - 11-14%
S - 0.06% max
P- 0.10% max
Cr - 2.6 % max
Ni - 5.0 % |
220
- 260 BHN |
About
80 Kgf/mm2 |
Crushing
and grinding machinery, wheels and chains for tanks, excavator dowels,
cement plant machinery |
| Stainless
Steel Castings |
ISI,
ASTM, DIN |
C
- 0.04-0.12%
Mn - 2.0% max
P- 0.045% max
S - 0.045%
Ni - 3-30%
Cr - 15-30%
Mo - upto 3.25% |
190
- 200 BHN |
50
Kgf/mm2
Min |
High
temperature industrial process machinery, pumps and valve fittings, chemical
industries, food and beverage processing industries |
| Heat
Resistant Steel Castings |
ISI,
ASTM, DIN |
C
- 0.2-0.75%
Si - 1.0-2.50%
Mn - 0.35-2.00%
S - 0.04% max
P - 0.04% max
Ni - 4-8%
Cr - 8-30%
Mo - 0.5-1.2% |
As
required |
As
required |
Industrial
process equipment operating upto 1200° C |
| Corrosion
Resistant Steel Castings |
ISI,
ASTM, DIN |
C
- 0.15-0.50%
Si - 0.65-2.0%
Mn - 1.0-1.50%
S - 0.04%
P - upto 0.17%
Cr - 11.5-27.0%
Ni - 1.0-22.0%
Mo - 0.5-4.0%
Cu -3.0-4.0% |
130
- 400 BHN |
45
- 130 Kgf/mm2 |
Marine,
chemical and electrical industries |
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