ADVANCED INVESTMENT CASTING SOLUTIONS WITH HIGH PRECISION
Alloy and Tolerances
Investment Casting Alloy and Tolerances
Investment Casting Alloys
Creation Technocast works with a comprehensive range of alloys for investment casting. Below are the standard alloy specifications we offer, organized by material category.
Carbon Steel
| ASTM | DIN |
|---|---|
| A216 - WCB | 1.0619 |
| A216 - WCC | -- |
| A352 - LCC | 1.1138 |
| A352 - LCB | -- |
Low Alloy Steels
| ASTM | DIN |
|---|---|
| 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
| ASTM | DIN |
|---|---|
| A743 - CA15 | 1.4008 |
| A743 - CA40 | 1.4028 |
| A743 - CA-6NM | 1.4313 |
Heat Resisting Steel
| ASTM | DIN |
|---|---|
| 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
| ASTM | DIN |
|---|---|
| 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 |
Austenitic Ferrite Duplex Steels
| ASTM | DIN |
|---|---|
| A351 - CF3MN | 1.4435 |
| A351 - CD4MCu | -- |
| A351 - CG6MMN | 1.3964 |
| A351 - CK3MCuN | -- |
Super Duplex Stainless Steel
| ASTM | DIN |
|---|---|
| A890 - GR1A | -- |
| A890 - GR2A | -- |
| A890 - GR3A | -- |
| A890 - GR4A | -- |
| A890 - GR5A | -- |
| A890 - GR6A | -- |
Nickel Based Super Alloys
| ASTM | DIN |
|---|---|
| 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 |
Cobalt Based Alloys
- Stellite 3
- Stellite 6
- Stellite 21
- Stellite 23
- Triballoy T 400
Tolerance & Specifications
Creation Technocast maintains strict dimensional tolerances for investment casting, conforming to international standards.
Linear Tolerances
| Nominal Size (mm) | D1 - General Engineering Dimensions | D2 - Functional Dimensions |
|---|---|---|
| 0 to 6 | ±0.15 | ±0.12 |
| 6 to 10 | ±0.18 | ±0.14 |
| 10 to 18 | ±0.22 | ±0.17 |
| 18 to 30 | ±0.26 | ±0.20 |
| 30 to 50 | ±0.40 | ±0.31 |
| 50 to 80 | ±0.45 | ±0.37 |
| 80 to 120 | ±0.55 | ±0.44 |
| 120 to 180 | ±0.80 | ±0.65 |
| 180 to 250 | ±1.20 | ±0.95 |
| 250 to 315 | ±1.30 | ±1.10 |
| 315 to 400 | ±1.80 | ±1.40 |
Straightness, Flatness, Parallelism, Shape
| Precision Class | Length ≤25mm | Length 25-50mm | Percentage |
|---|---|---|---|
| D1 | 0.15 mm | 0.25 mm | 0.6% |
| D2 | 0.10 mm | 0.20 mm | 0.4% |
Angle Values and Right Angles
| Precision Class | ≤30mm | 30-100mm | 100-200mm | >200mm |
|---|---|---|---|---|
| D1 Deviation | 30 min | 30 min | 30 min | 20 min |
| D1 mm/100mm | 0.87 | 0.87 | 0.87 | 0.58 |
| D2 Deviation | 30 min | 20 min | 15 min | 15 min |
| D2 mm/100mm | 0.87 | 0.58 | 0.44 | 0.44 |
Surface Quality (ISO R 468, DIN 4769, VSM10321)
| Ra | Rz | Rt | Grade |
|---|---|---|---|
| 6.3 | 23-32 | 25-38 | N9 |
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