Short Lead Time for Zinc Alloy Gravity Casting - B-100 Camlock of Stainless Steel 316 – RMC Foundry Detail:
Custom or standard stainless steel 316 camlock by investment casting process and CNC machining.
Stainless steel has a minimum chromium content of 10.5%, making it more resistant to corrosive liquid environments and to oxidation. However, this is not absolute. Stainless steel investment castings are “corrosion-resistant” when used in liquid environments and vapors below 1200°F (650°C) and “heat-resistant” when used above this temperature. AISI 316 is an austenitic stainless steel which is widely used for investment castings.
Austenitic stainless steel should be solid-solution treated before use, so as to maximize the solid solution of various precipitates such as carbides in the steel into the austenite matrix, while also homogenizing the structure and eliminating stress, so as to ensure excellent Corrosion resistance and mechanical properties. The correct solution treatment system is water cooling after heating at 1050～1150℃ (the thin parts can also be air cooled). The solution treatment temperature depends on the degree of alloying of the steel: Molybdenum-free or low-molybdenum steel grades should be lower (≤1100℃), and higher alloyed grades such as 00Cr20Ni18Mo-6CuN, 00Cr25Ni22Mo2N, etc. should be higher (1080～1150) ℃).
Capabilities of Investment Casting Foundry:
- • Max Size: 1,000 mm × 800 mm × 500 mm
- • Weight Range: 0.5 kg – 100 kg
- • Annual Capacity: 2,000 tons
- • Bond Materials for Shell Building: Silica Sol, Water Glass and their mixtures.
- • Tolerances: On Request.
Advantages of Investment Casting Components:
- - Excellent and smooth surface finish
- - Tight dimensional tolerances.
- - Complex and intricate shapes with design flexibility
- - Capability to cast thin walls therefore a lighter casting component
- - Wide selection of cast metals and alloys (ferrous and non-ferrous)
- - Draft is not required in the molds design.
- - Reduce the need for secondary machining.
- - Low material waste.
| Materials for Investment Casting Process at RMC Foundry | |||
| Category | China Grade | US Grade | Germany Grade |
| Ferritic Stainless Steel | 1Cr17, 022Cr12, 10Cr17, | 430, 431, 446, CA-15, CA6N, CA6NM | 1.4000, 1.4005, 1.4008, 1.4016, GX22CrNi17, GX4CrNi13-4 |
| Martensitic Stainless Steel | 1Cr13, 2Cr13, 3Cr13, 4Cr13, | 410, 420, 430, 440B, 440C | 1.4021, 1.4027, 1.4028, 1.4057, 1.4059, 1.4104, 1.4112, 1.4116, 1.4120, 1.4122, 1.4125 |
| Austenitic stainless steel | 06Cr19Ni10, 022Cr19Ni10, 06Cr25Ni20, 022Cr17Ni12Mo2, 03Cr18Ni16Mo5 |
302, 303, 304, 304L, 316, 316L, 329, CF3, CF3M, CF8, CF8M, CN7M, CN3MN | 1.3960, 1.4301, 1.4305, 1.4306, 1.4308, 1.4313, 1.4321, 1.4401, 1.4403, 1.4404, 1.4405, 1.4406, 1.4408, 1.4409, 1.4435, 1.4436, 1.4539, 1.4550, 1.4552, 1.4581, 1.4582, 1.4584, |
| Precipitation Hardening Stainless Steel | 05Cr15Ni5Cu4Nb, 05Cr17Ni4Cu4Nb | 630, 634, 17-4PH, 15-5PH, CB7Cu-1 | 1.4542 |
| Duplex Stainless Steel | 022Cr22Ni5Mo3N, 022Cr25Ni6Mo2N | A 890 1C, A 890 1A, A 890 3A, A 890 4A, A 890 5A, A 995 1B, A 995 4A, A 995 5A, 2205, 2507 |
1.4460, 1.4462, 1.4468, 1.4469, 1.4517, 1.4770 |
| High Mn Steel | ZGMn13-1, ZGMn13-3, ZGMn13-5 | B2, B3, B4 | 1.3802, 1.3966, 1.3301, 1.3302 |
| Tool Steel | Cr12 | A5, H12, S5 | 1.2344, 1.3343, 1.4528, GXCrMo17, X210Cr13, GX162CrMoV12 |
| Heat Resistant Steel | 20Cr25Ni20, 16Cr23Ni13, 45Cr14Ni14W2Mo |
309, 310, CK20, CH20, HK30 | 1.4826, 1.4828, 1.4855, 1.4865 |
| Nickle-base Alloy | HASTELLY-C, HASTELLY-X, SUPPER22H, CW-2M, CW-6M, CW-12MW, CX-2MW, HX(66Ni-17Cr), MRE-2, NA-22H, NW-22, M30C, M-35-1, INCOLOY600, INCOLOY625 |
2.4815, 2.4879, 2.4680 | |
| Aluminum Alloy |
ZL101, ZL102, ZL104 | ASTM A356, ASTM A413, ASTM A360 | G-AlSi7Mg, G-Al12 |
| Copper Alloy | H96, H85, H65, HPb63-3, HPb59-1, QSn6.5-0.1, QSn7-0.2 |
C21000, C23000, C27000, C34500, C37710, C86500, C87600, C87400, C87800, C52100, C51100 | CuZn5, CuZn15, CuZn35, CuZn36Pb3, CuZn40Pb2, CuSn10P1, CuSn5ZnPb, CuSn5Zn5Pb5 |
| Cobalt-base Alloy | UMC50, 670, Grade 31 | 2.4778 | |
| INVESTMENT CASTING TOLERANCES | |||
| Inches | Millimeters | ||
| Dimension | Tolerance | Dimension | Tolerance |
| Up to 0.500 | ±.004″ | Up to 12.0 | ± 0.10mm |
| 0.500 to 1.000” | ±.006″ | 12.0 to 25.0 | ± 0.15mm |
| 1.000 to 1.500” | ±.008″ | 25.0 to 37.0 | ± 0.20mm |
| 1.500 to 2.000” | ±.010″ | 37.0 to 50.0 | ± 0.25mm |
| 2.000 to 2.500” | ±.012″ | 50.0 to 62.0 | ± 0.30mm |
| 2.500 to 3.500” | ±.014″ | 62.0 to 87.0 | ± 0.35mm |
| 3.500 to 5.000” | ±.017″ | 87.0 to 125.0 | ± 0.40mm |
| 5.000 to 7.500” | ±.020″ | 125.0 to190.0 | ± 0.50mm |
| 7.500 to 10.000” | ±.022″ | 190.0 to 250.0 | ± 0.57mm |
| 10.000 to 12.500” | ±.025″ | 250.0 to 312.0 | ± 0.60mm |
| 12.500 to 15.000 | ±.028″ | 312.0 to 375.0 | ± 0.70mm |
Stainless Steel Castings by Investment Casting
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