12 Years Factory Cobalt Alloy Haynes 188 Udimet alloy 188 UNS R30188 to Mombasa Manufacturer
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HY 188 Material grades and equivalents: Udimet alloy 188;Werkstoff 2.4683;Alloy 188;Inconel alloy 188; Haynes Alloy 188;UNS R30188
HY 188 is a cobalt base superalloy with a unique combination of high temperature strength and oxidation resistance, along with adequate ductility after prolonged exposure to the 1400-1600°F temperature range.Cobalt alloys have an herent advantage over the nickel base grades in high temperature creep.Alloy 188 is solid solution strengthened by a 14% tungsten addition, and further by M6C and M23C6 carbides
HY 188 Chemical composition:
| Alloy | Cr | Ni | Co | W | La | B | C | Fe | Mn | Si | P | S | |
|
188 |
MIN | 20.0 | 20.0 | - | 13.0 | 0.02 | - | 0.05 | - | - | 0.2 | - | - |
| MAX | 24.0 | 24.0 | Balance | 16.0 | 0.12 | 0.015 | 0.015 | 3.0 | 1.25 | 0.5 | 0.02 | 0.015 |
HY 188 Physical properties:
| Density | 9.14 g/cm3 |
| Melting point | 1300℃-1330 ℃ |
HY 188 alloy sheet mechanical properties in the room temperature:
| Alloy Status | Tensile strength Rm N/mm² |
Yield strengthRP0.2 N/mm² | Elongation A5 % |
| Solution Treatment | 963 | 446 | 55 |
HY 188 Applications Fileds:
This alloy useful in gas turbine applications such as combustors, flame holders, liners and transition ducts.
| Regular shape for all kinds of alloys | |||
| Form | Specification | Supply Form | Others |
| Sheet | Thickness：0.40-4.75mm，General Width：1000、1219、1500mm | Whole Coil or piece of it | Cold Annealed，Surface 2B、2E |
| Plate | Thickness：4.76-60mm，Width：1500、2000、2500mm，Length：3000、6000、8000、8500mm（Under 10mm plate can be coiled） | Whole Coil or piece of it | Single hot rolling，Solid solution annealed state，Surface 1D |
| Belt | Thickness：0.10-3.0mm，Width：50-500mm | Whole Coil or Specified size | Cold Annealed，Surface 2B、2E |
| Bar & Rod | Rolled barΦ5-45mm，Length≤1500mm | Polished Bar（circle、Square） | Solution annealing,descaling |
| Forged barΦ26-245mm，Length≤4000mm | |||
| Weld tube | Outer diameterΦ4.76-135mm，Wall Thickness0.25-4.00mm，Length：≤35000 mm | Base on your requirement | |
| Seamless Tube | Outer diameterΦ3-114mm，Wall Thickness0.2-4.5mm | Base on your requirement | |
| Wire | Outer diameterΦ0.1-13mm | Base on your requirement | Ni & Ni alloy, Ti & Ti alloy |
| Forged piece | discs,rings,squares,blocks,slabs | Base on your requirement | Steel, Alloy |
| Flangs | All kinds of Flangs | Base on your requirement | Steel, Alloy |
| Welding Material | Coil wire Φ0.025mm-1.6mm | Base on your requirement | Certificate of Origin：America, Sweden, Britain, Germany, Austria, Italy, France. |
| Straight WireΦ1.6mm-4.0mm | |||
| Welding rodΦ1.2mm-4.0mm | |||
| Tube | Elbow, three links, four links, different diameter size | Base on your requirement | Ni & Ni alloy, Ti & Ti alloy |
| Explosive bonded laminate | Raw Sheet Thickness≥2mm | Base on your requirement | Ni & Ni alloy, Ti & Ti alloy |
http://www.weldingtipsandtricks.com/metals-and-how-to-weld-nickel.html
How to weld nickel alloys like hastelloy, inconel, etc. Nickel alloys have a low thermal conductivity and so limiting heat input and using lower amperage than would be used for stainless is one key to making good nickel alloy welds.
Discovery and Science Channel’s How It truly is Designed Alloy Wheels episode.
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