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ASTM A351 CF8 ISO 49-1994(E) Stainless Steel Cast Threaded Square Head Plug
Product Information
| Product Name | ASTM A351 CF8 ISO 49-1994(E) Stainless Steel Cast Threaded Square Head Plug |
| Thread Types | ASME B1.20.1(NPT), B S 21 (NSPT), DIN2999/259 |
| Dimensions | ISO 49-1994 (E) |
| Size Range | 1/8“ to 4” |
| Pressure Class | Class 150 NPT |
| Materials | AISI 304/L |
Standard & Materials:ASTM A351 CF8 and CF8M
ASTM A351 CF8 and CF8M are austenitic stainless steel, exhibit good strength and ductility. CF8/CF8M are widely applied in pump and valve, marine, chemical processing, food processing industries, CF8 is also be applied in nuclear and defense industries.
ASTM A351 CF8/CF8M Chemical Composition (%)
| Grade | C | Mn | Cr | Mo | Ni | Fe | Cu |
| CF8 | 0-0.08 | 0-1.5 | 18-21 | 0-0.5 | 9-11 | Bal | 0.00-0.00 |
| CF8M | 0-0.08 | 0-1.5 | 18-21 | 2-3 | 9-12 | Bal | 0.00-0.00 |
ASTM A351 CF8/CF8M Mechanical Properties
| Grade | Tensile Strength (ksi) | Yield Strength (ksi) | Elongation (%) | Hardness (Brinell) |
| CF8 | 0.00-70 | 30 | 35 | 134-196 |
| CF8M | 0.00-70 | 30 | 30 | 146-212 |
ISO 49-1994(E) Dimensions of Square Head Plug (mm)
| Fitting Sizes (inch) | Dimensions (mm) | ||||||
| T1 | T8 | T9 | T11 | a min | b min | c min | d min |
| (⅛) | ⅛ | ⅛ | — | 13 | 11 | 20 | — |
| ¼ | ¼ | ¼ | — | 15 | 14 | 22 | — |
| ⅜ | ⅜ | ⅜ | (⅜) | 17 | 15 | 24 | 11 |
| ½ | ½ | ½ | (½) | 19 | 18 | 26 | 15 |
| ¾ | ¾ | ¾ | (¾) | 22 | 20 | 32 | 16 |
| 1 | 1 | 1 | (1) | 24 | 23 | 36 | 19 |
| 1¼ | 1¼ | 1¼ | — | 27 | 29 | 39 | — |
| 1½ | 1½ | 1½ | — | 27 | 30 | 41 | — |
| 2 | 2 | 2 | — | 32 | 36 | 48 | — |
| 2½ | 2½ | 2½ | — | 35 | 39 | 54 | — |
| 3 | 3 | 3 | — | 38 | 44 | 60 | — |
| 4 | 4 | 4 | — | 45 | 58 | 70 | — |