ISO 49-1994(E) CL150 AISI 304 Stainless Steel Cast Threaded Bushing
Product Information
A stainless steel cast threaded bushing is a type of fitting used in piping systems to reduce the size of a threaded connection. It is typically used to connect pipes or fittings with different thread sizes, providing a secure and leak-free joint. Stainless steel cast threaded bushings are commonly used in various industries where corrosion resistance, durability, and strength are essential, such as in chemical processing, oil and gas, and marine applications.
| Product Name | AISI 304 ISO 49-1994(E) CL150 Stainless Steel Cast Threaded Bushing |
| Thread Types | ASME B1.20.1(NPT) |
| Dimensions | ISO 49-1994(E) |
| Size Range | 1/4” to 4" |
| Pressure Class | Class 150 |
| Materials | AISI 304/L |
Standard & Materials:AISI 304L
These bushings are made of stainless steel, which offers excellent corrosion resistance, durability, and strength. Common stainless steel grades used include 304 and 316.
Threaded Connection: The cast threaded bushing has internal and external threads that allow it to be screwed into a pipe or fitting with a larger thread size, while the other end can accommodate a smaller threaded connection.
AISI 304/L Chemical Composition (%)
| Grade | C, max | Cr | Mn, max | Ni | P, max | S, max | Si, max |
| AISI 304 | 0.08 | 18~20 | 2 | 8~10.5 | 0.045 | 0.03 | 1 |
| AISI 304L | 0.03 | 18~20 | 2 | 8~12 | 0.045 | 0.03 | 1 |
AISI 304/L Mechanical Properties
| Mechanical Properties | 304 | 304L |
| Hardness, Knoop | 138 | 158 |
| Hardness, Rockwell B | 70 | 82 |
| Hardness, Vickers | 129 | 159 |
| Tensile Strength, Ultimate | 505 MPa | 564 MPa |
| Tensile Strength, Yield | 215 MPa | 210 MPa |
| Elongation at Break | 70% | 58% |
| Modulus of Elasticity | 193~200 GPa | 193~200 GPa |
| Charpy Impact | 325 J | 216J |
ISO 49-1994 Dimensions of Bushing (mm)
| Fitting Sizes (inches) | Patterns | Dimensions (mm) | Laying Lengths (mm) |
| a | b | z |
| ¼ ×⅛ | I | 20 | — | 13 |
| ⅜ ×⅛ | II | 20 | — | 13 |
| ⅜ ×¼ | I | 20 | — | 10 |
| ½ ×⅛ | II | 24 | — | 17 |
| ½ ×¼ | II | 24 | — | 14 |
| ½ ×⅜ | I | 24 | — | 14 |
| ¾×¼ | II | 26 | — | 16 |
| ¾ ×⅜ | II | 26 | — | 16 |
| ¾ ×½ | I | 26 | — | 13 |
| 1 ×¼ | II | 29 | — | 19 |
| 1 ×⅜ | II | 29 | — | 19 |
| 1 ×½ | II | 29 | — | 16 |
| 1 ×¾ | I | 29 | — | 14 |
| 1¼ ×⅜ | II | 31 | — | 21 |
| 1¼ ×½ | II | 31 | — | 18 |
| 1¼ ×¾ | II | 31 | — | 16 |
| 1¼ ×1 | I | 31 | — | 14 |
| (1½ ×⅜) | II | 31 | — | 21 |
| 1½ ×½ | II | 31 | — | 18 |
| 1½ ×¾ | II | 31 | — | 16 |
| 1½ ×1 | II | 31 | — | 14 |
| 1½ ×1¼ | I | 31 | — | 12 |
| 2 ×½ | III | 35 | 48 | 35 |
| 2 ×¾ | III | 35 | 48 | 33 |
| 2 ×1 | II | 35 | — | 18 |
| 2 ×1¼ | II | 35 | — | 16 |
| 2 ×1½ | II | 35 | — | 16 |
| 2½ ×1 | III | 40 | 54 | 37 |
| 2½ ×1¼ | III | 40 | 54 | 35 |
| 2½ ×1½ | II | 40 | — | 21 |
| 2½ ×2 | II | 40 | — | 16 |
| 3 ×1 | III | 44 | 59 | 42 |
| 3 ×1¼ | III | 44 | 59 | 40 |
| 3 ×1½ | III | 44 | 59 | 40 |
| 3 ×2 | II | 44 | — | 20 |
| 3 ×2½ | II | 44 | — | 17 |
| 4 ×2 | III | 51 | 69 | 45 |
| 4 ×2½ | III | 51 | 69 | 42 |
| 4 ×3 | II | 51 | — | 21 |
Benefits of Stainless Steel Casting Screw Fittings
- Stainless steel casting combines good corrosion resistance and high strength, which allows the reduction in wall thickness and weight of pipe fittings. Besides, it can withstand very high flow rates, making it capable to withstand long-term exposure to the elements in almost any environment.
- Cast stainless steel pipe fittings can be used in all types of water, including drinking water in public supply. They have an excellent resistance to the full range of potable waters, including various chloride levels. At the end of its useful life, cast stainless steel is fully recyclable and retains a higher residual scrap value than ordinary cast steel.
- Stainless steel casting of pipe fittings requires low maintenance and does not need an additional coating, in both indoor and outdoor applications. The expected lifetime of a stainless steel pipe fitting is more than 50 years, reducing system down time, replacement and maintenance costs over the life of the installation.
- Last but not the least, stainless steel casting is afforable to produce any type of pipe fittings, and it can produce pipe fittings in both high and small volumes.
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SO 49-1994(E) CL150 AISI 304 I Stainless Steel Casting Bushing Images
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