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[China]
Trade Verify
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Contact name:Jikin Cai
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Overview
Characteristic
ASME SA182 347 Slip-on flanges are slip-on flanges that are slipped over the pipe and welded with one or more fillet welds on their interior and exterior. These flanges are favored by engineers in the gas and oil industry because of their lower cost compared to other types of flanges.DIN 1.4550 socket weld flanges have the same strength as slip-on flanges and can be joined with a single fillet weld on their exterior. These flanges are used in small sizes up to 2NPS and can be found in low-pressure setups.UNS S34700 Weld Neck Flanges feature a long tapered hub that transfers the stress of the pipe to the hub. Weld neck flanges are suitable for use in repeated bending conditions and are well suited for use in high pressure environments. SS 347 blind flanges are characterized by the absence of a hole in the center. Their primary use is to leave a gap at either end of a piping system. The flange terminates the flow of media and isolates the system.347 SS spectacle blind flanges are double assemblies consisting of a gasket and a blank. The gasket allows normal flow, while the blank section cuts off the flow. Blind flanges are commonly used in systems where frequent maintenance is performed.
Chemical Composition of A182 F347
| Identification Symbol | UNS Number | Grade | Elements | Composition % |
|---|---|---|---|---|
| F347 | S34700 | 18 chromium, 8 nickel modified with columbium 347 | Carbon | 0.08 max |
| Manganese | 2.00 max | |||
| Phosphorus | 0.045 max | |||
| Sulfur | 0.030 max | |||
| Silicon | 1.00 max | |||
| Nickel | 9.00 – 13.00 | |||
| Chromium | 17.00 – 20.00 |
Mechanical Properties of A182 F347
| Elongation in 2 in. | 0.2% Offset, Yield Properties | Hardness | Ultimate Tensile Properties | ||
|---|---|---|---|---|---|
| % (min.) | psi (min.) | (MPa) | (max.) | (MPa) | psi (min.) |
| 40 | 30,000 | 205 | 201 Brinell | 515 | 75,000 |
Thermal Conductivity 212°F (100°C) 133 BTU/ °F/ ft2/ hr/ ft16.3 W /m-°K Melting Range 2550 – 2635°F1398 – 1446°C Electrical Resistivity 72 Microhm-cm at 20°F | Density 0.288 lbs/ in37.96 g/ cm3 Specific Heat 0.12 BTU/ lb-°F (32 – 212°F)500 J/ kg-°K (0 – 100°C) Modulus of Elasticity 28.0 x 106 psi193 GPa |
Equivalent of A182 F347
| STANDARD | EN | UNS | GOST | JIS | WERKSTOFF NR. |
|---|---|---|---|---|---|
| SS 347 | X6CrNiNb18-10 | S34700 | 08Ch18N12B | SUS 347 | 1.4550 |
Application
Oil and Gas
Fossil Fuel Power Plants
Nuclear Power
Hear Exchanger
Food Processing
Condensers
Marine
