GENERAL

 SINGLE PIECE INVESTMENT CASTING SIZE  800 X 800 X 550 MAX. IN MM
 UNIT CASTING WEIGHT  0.02 Kg TO 160 Kg
 VISUAL STANDARD  MSS -SP-55
 ASTM A997
 TOLERANCE STANDARD  IS 11166 CLASS II (1993)
 ISO 8062 DCTG 8

Materials HANDLED

NO. METAL TYPE ASTM DIN
1. CARBON STEEL A216 Gr.WCA 1.0619
A216 Gr.WCB 1.0619
A216 Gr.WCC 1.1120
A352 Gr.LCB 1.1156
A352 Gr.LCC 1.1138
 
2. AUSTENITIC STAINLESS STEEL ASTM DIN
A351 Gr.CF8 1.4308
A351 Gr.CF8M 1.4408
A351 Gr.CF3 1.4306
A351 Gr.CF3M 1.4404
A351 Gr.CF8C 1.4852
A351 Gr. CK20 1.4843
A351 Gr.CN7M 1.4500
A351 Gr. CG8M 1.4448
A351 Gr. CG3M
 
3. SUPER DUPLEX STEEL ASTM DIN
A890 Gr.1A
A890 Gr.2A
A890 Gr.3A 1.4460
A890 Gr.4A 1.4462
A890 Gr.5A 1.4469
A890 Gr.6A
 
4. LOW ALLOY STEEL ASTM DIN
A217 Gr.C5 1.7363
A217 Gr.C12 1.4389
A217 Gr.WC1 1.5419
A217 Gr.WC4
A217 Gr.WC5
A217 Gr.WC6 1.7356
A217 Gr.WC9 1.7379
A217 Gr.WC11
A217 Gr.CA15 1.4006
 
5. MARTENSITIC STEEL ASTM DIN
A743 Gr.CA15 1.4008
A743 Gr.CA40 1.4028
A743 Gr.CA6NM 1.4313
 
6. NICKEL BASED ALLOY ASTM DIN
A494 Gr.M35-1 2.4365
A494 Gr.M35-2
A494 Gr.M30C
A494 Gr.N-12MV
A494 Gr.CW12MW 2,4686
A494 Gr.CZ100 2.4170
 
7. PRECIPITATION HARDENING STAINLESS STEEL ASTM DIN
A747 Gr.Cb7Cu-1 1.4542
A747 Gr.Cb7Cu-2
 
8. COBALT BASED ALLOY STELLITE -3
STELLITE -6
STELLITE -12
 
9. COPPER BASE ALLOYS BS 1400 Gr.AB1
BS 1400 Gr.AB2
ASTM B148 Gr.C95200
ASTM B148 Gr.C95500
BS 1400 Gr.LG1
BS 1400 Gr.LG2
BS 1400 Gr.LG4

Apart from above listed grades, we can cast any customer specified grades as per various standards like ASTM, DIN, GOST, JIS, IS, BS etc.

GENERAL LINEAR TOLERANCES

Nominal Dimension       Overall Dimensions    
  Over - 6 10 18 30 80 180 300
Over Upto 6 10 18 30 80 180 300 500
- 6 0.10 0.12 0.15 0.20 0.25 0.25 0.30 0.35
6 10   0.12 0.15 0.25 0.25 0.30 0.35 0.45
10 18     0.20 0.30 0.35 0.35 0.40 0.55
18 30       0.30 0.40 0.45 0.50 0.65
30 80         0.45 0.55 0.60 0.75
80 180           0.60 0.70 0.90
180 300             1.00 1.15
300 500               2.00

Flatness

Casting Length (mm) 25 50 75 100 125 150
As-Casting Tolerances (mm) 0.20 0.37 0.50 0.63 0.76 0.76
             
 ANGULAR TOLERANCE  Normal angular tolerance in investment casting is ± ½ °
 SURFACE ROUGHNESS  3.2 – 6.0 Ra