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Brand Name : KASUGAI
Model Number : ASME B1.20.1 ASTM A351 Stainless Steel Union Flat Seat M/F Threaded
Certification : ISO-9001; PED; AD 2000
Place of Origin : CHINA
MOQ : TO BE NEGOTIATED
Price : PER BASE MATERIAL PRICE
Payment Terms : L / C , T / T
Supply Ability : 100 TONS / MONTH
Delivery Time : 60 DAYS FOR ONE CONTAINER
Packaging Details : SEAWORTHY PACKING
Product Name : ASME B1.20.1 ASTM A351 Stainless Steel Union Flat Seat M/F Threaded
Size Range : 1/8" to 4"
Thread Types : ASME B1.20.1(NPT), BS 21 (NSPT), DIN2999/259
Pressure Class : Class 150, 1000, 2000, 3000, 6000 and 9000
Materials : ASTM A351 (CF8, CF8M), JIS(SCS13, SCS14), AISI (304/L,316/L), ASTM A182/A276 (304/L, 316/L),
Dimensions : ISO 49-1994(E), MSS SP-114, ANSI B16.3
ASTM A351 Stainless Steel Cast Fittings Union Flat Seat M F Threaded
Product Information
A Union Flat Seat is a type of pipe fitting used to join two pipes together, allowing for easy disassembly and reassembly of the connection.
A Union Flat Seat is a practical pipe fitting that facilitates easy disassembly and reassembly of connections in piping systems, making it ideal for applications where maintenance or repairs may be required without disrupting the entire system.
Product Name | ASME B1.20.1 ASTM A351 Stainless Steel Union Flat Seat M/F Threaded |
Thread Types | ASME B1.20.1(NPT), BS 21 (NSPT), DIN2999/259 |
Dimensions | ISO 49-1994(E), MSS SP-114, ANSI B16.3 |
Size Range | 1/8” to 4” |
Pressure Class | Class 150, 1000, 2000, 3000, 6000 and 9000 |
Materials | ASTM A351 (CF8, CF8M), JIS(SCS13, SCS14), AISI (304/L,316/L), ASTM A182/A276 (304/L, 316/L), |
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.
· Applications: Commonly used in piping systems where periodic maintenance or repairs may be required, allowing for the easy removal of components without disturbing the rest of the system.
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 Union (mm)
Fitting Sizes (inch) | Dimensions (mm) | Laying Length (mm) | |||||
U1 | U2 | U11 | U12 | a | b | z1 | z2 |
— | — | ⅛ | — | 38 | — | 24 | — |
¼ | ¼ | ¼ | ¼ | 42 | 55 | 22 | 45 |
⅜ | ⅜ | ⅜ | ⅜ | 45 | 58 | 25 | 48 |
½ | ½ | ½ | ½ | 48 | 66 | 22 | 53 |
¾ | ¾ | ¾ | ¾ | 52 | 72 | 22 | 57 |
1 | 1 | 1 | 1 | 58 | 80 | 24 | 63 |
1 ¼ | 1 ¼ | 1 ¼ | 1 ¼ | 65 | 90 | 27 | 71 |
1 ½ | 1 ½ | 1 ½ | 1 ½ | 70 | 95 | 32 | 76 |
2 | 2 | 2 | 2 | 78 | 106 | 30 | 82 |
2 ½ | 2 ½ | 2 ½ | 2 ½ | 85 | 118 | 31 | 91 |
3 | — | 3 | 3 | 95 | 130 | 35 | 100 |
— | — | 4 | — | 110 | — | 38 | — |
Benefits of Stainless Steel Casting Screw Fittings
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ASTM A351 Stainless Steel Cast Fittings Union Flat Seat M F Threaded Images |