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ASTM B151 C70600 ANSI B16.5/B16.47 Copper Nickel Slip-On (SO) Flanges
Product Information
| Product Name | ASTM B151 C70600 ANSI B16.5/B16.47 Copper Nickel Slip-On (SO) Flanges) |
| Size Range | 1/2’ to 48” |
| Pressure Class | 150, 300, 400, 600, 900, 1500, 2500, |
| Thickness | Sch10S to Sch160 |
| Standards | ASME/ANSI B16.5/B16.47, JIS B2220 |
| Type | Slip-On (SO) |
| Dimensions | ASME/ANSI B16.5/B16.47, Custom Drawings |
| Origin | China |
Standards & Materials: ASTM B151
Chemical Composition of ASTM B151 (%)
| UNS | C | Ni | Pb | Fe | Mn | Zn | P | S | C |
| C70600 | Remainder | 9.0-11.0 | 0.05 | 1.0-1.8 | 1.0 | 1.0 | |||
| C71500 | Remainder | 29.0-33.0 | 0.05 | 0.40-1.0 | 1.0 | 1.0 |
Mechanical Properties of ASTM B151 C70600
| Temper Code | Dia. or Distance Between Parallel Surfaces (mm) | Tensile Strength, min (MPa) | Yield Strength at 0.5%Extension Under Load, min (MPa) | Elongation in 4xDia or Thickness of Specimen, min (%) | |
| O60, M30 | Round, Hex and Octagonal rods and square bars | All sizes | 260 | 105 | 30 |
| H04 | Round, Hex and Octagonal rods and square bars | Up to 9.5, incl | 415 | 260 | 10 |
| Over 9.5 to 25, incl | 345 | 205 | 15 | ||
| Over 25 to 80, incl | 275 | 105 | 30 | ||
| Over 80 to 125, incl | 260 | 105 | 20 | ||
| O60 | Rectangular bars and shapes | All sizes | 260 | 105 | 30 |
| H04 | Rectangular bars | Up to 9.5, incl | 380 | 205 | 10 |
| Over 9.5 to 12, incl | 345 | 195 | 12 | ||
| Over12 to 80, incl | 275 | 115 | 20 | ||
| H04 | Shapes | All sizes | (As agreed upon between the manufacturer or supplier and the purchaser) | ||
Flange Type: Slip On (SO)
Slip on flange also simplified as SO flange. SO flanges slip over pipes and are designed to bit slightly bigger on the inside than the pipe. They connect to the pipe through a fillet weld at the flange top and bottom. It is used to insert the pipe into the inner hole of flange, as the flange inner diameter is little bigger than the pipe’s outer diameter, pipe and flange could be connected by lap welding at the top and bottom of the flange.
The slip on flange is shorter in length than a weld neck flange, and is used in areas where short tie-ins are necessary or space limitations necessitate its use. Generally, the life span of a slip-on flange connection is about one-third that of the weld neck flange. Despite of additional welding involved during installation, its lower initial cost makes the SO flange preferred over WN flanges by many users. It is generally used in non-corrosive, non-critical, moderate pressure services. Slip on flanges of Class 150 and Class 300 are most commonly seen in utility engineering.
