YUHONG HOLDING GROUP CO., LTD
YUHONG HOLDING GROUP CO., LTD
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180 Deg. Short Radius, U Bend Return, ASME SA234 WPB for Fired Heater Convection Section
Yuhong Group U bend Return already was used in many industries , which like power plant, petrochemical, oil refinary, U bend return usually need Short radius, because the equirpment CBM limited, so the designer usually request to use short radius (SR) type, Main of the 180 deg. return made by hot forming or cold hydro forming . But in high temperature furnace, usually request cast type also.
180 degree Return usually connect two pipes/tubes / fin tubes, so it is very important , usually Yuhong Group will arrange 100% PT / UT/ MT for our U bend return before shipment . And try to make sure each return quality match to standard request .
Besides 180 degree return , some time client also need 90 degree elbow in short radius or 45 degree elbow in short radius.Yuhong Group also can supply well .
180 degree return material : Carbon Steel , Alloy Steel , Stainless Steel , Nickel Alloy Steel .
| ASME SA234 WPB Chemical Composition (%) | |||||||||||||||
| C | Si | Mn | P | S | Cr | Ni | Mo | TI | Nb | Cu | Al | V | Co | Fe | Result |
| ≤0.30 | ≤0.10 | 0.29~1.06 | ≤0.050 | ≤0.058 | ≤0.40 | ≤0.40 | ≤0.15 | / | / | ≤0.40 | / | ≤0.08 | / | / | / |
| ASME SA234 WPB Tensile Test ASTM A370-20 | ||
| TensileStrength: Rm (Mpa) | Yield Strength: Rp 0.2(Mpa) | Elongation: A (%) |
| ≥415 | ≥240 | ≥20 |
Yuhong Group main Returns :
45 Degree Return, 90 Degree Return, 180 Degree Return, Long Radius, Short Radius , Long tang which according to customer request .
Yuhong Group main Returns Sizes:
1>.OD: 15mm to 1219mm
2>.Thickness : 1mm to 60mm
3>.Degree: any degree depend on client request
Application of 90degree / 180 degree Return :
