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Stainless steel stub end is a kind of stamping process. Stub end is a forming method of forming a straight wall or flange with a certain angle along the closed or unclosed curve edge on the plane or curved surface of the blank by using the function of the die. Stainless steel stub end is also a kind of steel butt welded pipe, which is generally a section of loose flange. There are many kinds of stub end, and the classification methods are not the same. According to the deformation properties, it can be divided into elongation stub end and compression stub end.
Elbow pipe fittings Stainless steel elbow technical data sheet as below:
| Nominal Diameter | Outside Diameter | Length(F) | Diameter of Lap Nominal&Maximum | (R) | |||
| DN | NPS | OD | LP | SP | G | A Max | B Max |
| 15 | 1/2 | 21.3 | 76 | 51 | 35 | 3 | 0.75 |
| 20 | 3/4 | 26.7 | 76 | 51 | 43 | 3 | 0.75 |
| 25 | 1 | 33.4 | 102 | 51 | 51 | 3 | 0.75 |
| 32 | 1.1/4 | 42.4 | 102 | 51 | 64 | 5 | 0.75 |
| 40 | 1.1/2 | 48.3 | 102 | 51 | 73 | 6 | 0.75 |
| 50 | 2 | 60.3 | 152 | 64 | 92 | 8 | 0.75 |
| 65 | 2.1/2 | 73.0 | 152 | 64 | 105 | 8 | 0.75 |
| 80 | 3 | 88.9 | 152 | 64 | 127 | 10 | 0.75 |
| 90 | 3.1/2 | 101.6 | 152 | 76 | 140 | 10 | 0.75 |
| 100 | 4 | 114.3 | 152 | 76 | 157 | 11 | 0.75 |
Material:SS304 SS316L
Standard:DIN, ANSI, ASTM, JIS, GB
Size:1/8"~2"
Stainless steel flanging, The smaller the relative diameter of the preformed hole is, the smaller the limit flanging coefficient is, which is conducive to stub end. This is because the same preformed aperture, the greater the thickness of the material, the greater the allowable absolute value of the compressive stress in the thickness direction. According to the law of volume invariance, the ultimate tangential strain value when the edge of the deformation zone is about to crack during flanging increases. It can be seen that the smaller the ultimate flanging coefficient is, so f is convenient to use.
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