ASTM A105 A106 ASME B16.11 sch80 Hot pressing elbow
Description
Hot pressing elbow is to heat the pipe, process it with professional equipment, and then cut and heat it to above the critical temperature.
The elbow is made by quenching and normalizing after heat preservation for a period of time.
Specification
Size: 1/2"-72"
Standard: ASME B16.9
Wall thickness: SCH10S-XXS
Usage: Natural Gas, Oil, Construction
Certificate: API, CE, ISO, EN10204 3.1
Technical data sheet
ASTM A105 A106 ASME B16.11 sch80 Hot pressing elbow technical data sheet as below:
| Nominal Pipe Size | Center to End | Center to center | End to end |
| H F | P | K |
| DN | NPS | LR | LR | SR | LR | SR | LR | SR |
| 15 | 1/2 | 16 | 38 | — | 76 | ― | 48 | — |
| 20 | 3/4 | 19 | 38 | — | 76 | ― | 51 | — |
| 25 | 1 | 22 | 38 | 25 | 76 | 51 | 56 | 41 |
| 32 | 1 1/4 | 25 | 48 | 32 | 95 | 64 | 70 | 52 |
| 40 | 1 1/2 | 29 | 57 | 38 | 114 | 76 | 83 | 62 |
| 50 | 2 | 35 | 76 | 51 | 152 | 102 | 106 | 81 |
| 65 | 2 1/2 | 44 | 96 | 64 | 190 | 127 | 132 | 100 |
| 80 | 3 | 51 | 114 | 76 | 229 | 152 | 159 | 121 |
| 90 | 3 1/2 | 57 | 123 | 89 | 267 | 178 | 1B4 | 140 |
| 100 | 4 | 64 | 152 | 102 | 305 | 203 | 210 | 159 |
| 125 | 5 | 79 | 190 | 127 | 381 | 254 | 262 | 19? |
| 150 | 6 | 96 | 229 | 152 | 457 | 305 | 313 | 237 |
| 200 | 8 | 127 | 3C6 | 203 | 610 | 406 | 414 | 313 |
| 250 | 10 | 159 | 381 | 254 | 762 | 508 | 518 | 391 |
| 300 | 12 | 190 | 457 | 306 | 914 | 610 | 619 | 497 |
Characteristic
Hot pressed elbow can be treated by quenching and normalizing.
Quenching is a method of heating the elbow above the critical temperature, holding it for a period of time, and then quickly putting it into the quenchant to suddenly reduce its temperature and rapidly cool it at a speed greater than the critical cooling speed.
Quenching can increase the strength and hardness of steel, but reduce its plasticity. Quenchants commonly used in quenching include water, oil, alkaline water and salt solution.
Normalizing is a heat treatment method that heats the hot pressed elbow to above the critical temperature, transforms all the hot pressed elbow into uniform austenite, and then cools naturally in air.
It is economical to use normalizing instead of quenching process for elbow with low requirements.
Application
Hot push elbow is used where the direction of pipeline needs to be changed, so it is widely used. It is mainly used in chemical, civil, Petroleum,chemical,power,gas,metallurgy,shipbuilding,construction.etc.
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Sch 80 Stainless Steel Hot Pressing Elbow ASTM A105 Images
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