Investment And Precision Castings
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Product Description
IT HAS INHERENT ADVANTAGES DESCRIBED AS HEREUNDER:-- LIGHTER IN WEIGHT,REDUCES STRESS CORROSION.
- RADIOGRAPHIC QUALITY, DIMENSIONAL TOLERANCES UPTO +-.003MM PER MM CAN BE ACHIEVED.
- EXCELLENT, SMOOTHER, SURFACE FINISH, BETTER RESISTANT TO SURFACE CORROSION.
- SINCE MOLTEN METAL IS POURED IN PRE-HEATED MOULDS THE RESULTANT COOLING RATE THUS BEING SLOW, PRODUCES LARGE GRAIN SIZE AS WELL AS SOUNDER & DENSER CASTING.
- BETTER GRAIN STRUCTURE TO ASTM NUMBER 7-9 AT 100 X EQUIVALENT TO FORGING MATERIALS AS AGAINST SAND.
Material Construction
ASTM Specification
Number | Grade |
A-351 | CF8(304) |
A-351 | CF3(304 L) |
A-351 | CF8 M(316) |
A-351 | CF3 M(316 L) |
A-351 | CF8 C (321) |
A-351 | CN7 M(Aolly-20) |
- Hast Alloy -B
- Hast Alloy-C
Pressure Rating
Class | Test | Medium | Pressure | |
PSI | Bar | |||
150 | Shell | Hydro static | 450 | 31 |
Seat leak | Air | 60-100 | 5-7 | |
300 | Shell | Hydro static | 1125 | 78 |
Seat leak | Air | 60-100 | 5-7 | |
800 | Shell | Hydro static | 3000 | 207 |
Seat leak | Air | 60-100 | 5-7 |
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Hauz Qazi, Delhi-110006.
4969/3, Ist Floor, Sirkiwalan Bazar,
Hauz Qazi, Delhi-110006.
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