AISI 304 MSS SP-114 CL1000 Stainless Steel Cast Threaded Square Head Plug
AISI 304 MSS SP-114 CL1000 Stainless Steel Cast Threaded Square Head Plug
Product Information
· The plug features male threads on the outside and a square head on one end for easy installation and removal using a wrench or a socket.
· It is used to close off a pipe or fitting securely in a threaded system.
· Regular inspection for leaks or signs of corrosion is recommended to ensure the integrity of the system.
· Periodic cleaning can help maintain the appearance and performance of the stainless steel square head plug.
| Product Name | AISI 304 MSS SP-114 CL1000 Stainless Steel Cast Threaded Square Head Plug |
| Thread Types | ASME B1.20.1(NPT), B S 21 (NSPT), DIN2999/259 |
| Dimensions | MSS SP-114 |
| Size Range | 1/8" to 4" |
| Pressure Class | Class 1000 NPT |
| Materials | AISI 304/L |
Advantages:
· Corrosion Resistance: Stainless steel construction provides excellent resistance to corrosion and rust.
· Durability: Offers longevity and strength, ensuring a reliable closure for pipes or fittings.
· Easy Installation: The square head design allows for easy tightening and removal using standard tools.
· Secure Closure: Provides a tight and leak-free seal when properly installed.
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 |
MSS SP-114 Dimensions of Class 1000 Wrought Thread Square Head Plugs (inches)
| NPS | Thread Length (min.) | Height of Head (min.) | Nominal Width Across Flats(b) | Metal Thickness(a) |
| A | B | C | G | |
| ⅛ | 0.38 | 0.25 | 9/32 | 0.19 |
| ¼ | 0.44 | 0.25 | 3/8 | 0.19 |
| ⅜ | 0.50 | 0.31 | 7/16 | 0.19 |
| ½ | 0.56 | 0.38 | 9/16 | 0.25 |
| ¾ | 0.62 | 0.44 | 5/8 | 0.25 |
| 1 | 0.75 | 0.50 | 13/16 | 0.38 |
| 1¼ | 0.81 | 0.56 | 15/16 | 0.38 |
| 1½ | 0.81 | 0.62 | 1⅛ | 0.44 |
| 2 | 0.88 | 0.69 | 1 5/16 | 0.50 |
| 2½ | 1.06 | 0.75 | 1½ | 0.62 |
| 3 | 1.12 | 0.81 | 1 11/16 | 0.75 |
| 4 | 1.25 | 1.00 | 2½ | 0.88 |
NOTE:
(a) Manufacturers applied tolerance shall assure dimensions will fit U.S. customary tooling.
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