Materials Cast Capabilities

ASTM DIN
Carbon Steel A216 – WCB 1.0619
A216 – WCC
A352 – LCC 1.1138
A352 – LCB
Low Alloys Steels A217 – WC1 1.5419
A217 – WC4
A217 – WC5
A217 – WC6 1.7356
A217 – WC9 1.7379
A217 – WC11
A217 – C5 1.7363
A217 – C12
A217 – C12A
Martensitic Steels A743 – CA15 1.4008
A743 – CA40 1.4028
A743 CA-6NM 1.4313
Heat Resisting Steel A297 – HF 1.4825
A297 – HH 1.4837
A297 – HI 1.4846
A297 – HK 1.4848
1.4749
A297 – HD 1.4823
Austenitic Stainless Steel A351 – CF8 1.4308
A351 – CF8M 1.4408
A351 – CF3 1.4306
A351 – CF3M 1.4404 / 1.4409
A351 – CF8C 1.4827
A351 – CF10 1.4308
A351 – CK20 1.4843
A351 – CH20
A351 – CN7M 1.4500
A351 – CG8M 1.4431
A351 – CG3M
ASTM DIN
Austenitic Ferrite Duplex Steels A351 – CF3MN 1.4435
A351 – CD4MCu
A351 – CG6MMN 1.3964
A351 – CK3MCuN
Super Duplex Stainless Steel A890 – GR1A
A890 – GR2A
A890 – GR3A
A890 – GR4A
A890 – GR5A
A890 – GR6A
Nickle Based Super Alloys A494 – M-35-1 2.4365
A494 – M-35-2
A494 – M 30 C
A494 – N-12MV
A494 – N-7M
A494 – CY40 2.4816
A494 – CW12MW 2.4686
A494 – CW6M
A494 – CW2M 2.4610
A494 – CW6MC 2.4856
A494 – CX2MW 2.4602
A494 – Cu5MCuC 2.4858
A560 – 50Cr50Ni
A560 – 50Cr50Ni-Nb 2.4813
A560 – 60Cr40Ni
Cobalt Based Alloys STELLITE 3
STELLITE 6
STELLITE 21
STELLITE 23
TRIBALLOY T 400
Non Ferrous Material Grades ALUMINIUM BRONZE
BRASS
GUN METALS

GENERAL INVESTMENT CASTINGS TOLERANCES

IS 11166 (1993), CLASS 2 (Reference International Standard: VDG P690)
Permissible Deviations on Dimentions, Class 2
Nominal Dimensions of Rough casting Over all Dimensions
Over Up to Up to 6 Over 6 Up to 10 Over 10 Up to 18 Over 18 Up to 30 Over 30 Up to 80 Over 80 Up to 180 Over 180 Up to 300 Over 300 Up to 500
0 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
Permissible Deviation On Centre to Centre, Distance Between Holes, Bosses etc.
Nominal Dimension Nominal Dimension Permissible Deviation
Over Up to Class 2
0 6 ±0.125
6 10 ±0.125
10 18 ±0.15
18 30 ±0.25
30 80 ±0.35
80 180 ±0.45
180 300 ±0.70
300 500 ±0.90

Permissible Machining Allowance

Nominal Overall Dimensions (mm/face)
Over Up to 6 6-10 10-18 18-30 30-80 80-180 100-300 —–
0 6 0.3 0.35 0.4 0.5 0.7 1 1 —–
6 10 —– 0.35 0.4 0.5 0.7 1.25 1.5 —–
10 18 —– —– 0.5 0.6 0.7 1.25 1.5 —–
18 30 —– —– —– 0.6 0.8 1.4 1.75 —–
30 80 —– —– —– —– 1 1.6 2 —–
80 180 —– —– —– —– —– 2 2.25 —–
180 300 —– —– —– —– —– —– 3 —–
Permissible Deviations On Angles
Permissible Deviations On Specified Angles For Class 2 is ± 1°
Permissible Deviation On Surface Roughness
Surface Roughness Would Be Between 3.0 Ra to 6.0 Ra.

SINGLE PIECE CAST CAPABILITIES

Weight : 0.150 grams to 30 Kgs.
Maximum Size : 350MM (Length) x 350MM (Width) Width x 400MM (Height).

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