Yuhong Group Co.,Ltd
Yuhong Holding Group Co.,LTD
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ASTM A403 WP316L-S Stainless Steel Buttweld Fittings Conexiones
YUHONG produce and supplies ASTM 403 WP316L Seamless Stainless Steel Buttweld Fittings with high quality and we sell these pipe fittings in more than 70 countries.
ASTM A403 This specification covers wrought stainless steel fittings for pressure piping applications.
| Standard | ASTM A403 |
| Grades we can offer | WP304/304L/304H,WP316/316L/316H,WP317/317L,WP321/321H |
| Products | ELBOWS,TEES,REDUCERS,CAPS,etc |
| Dimensions | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, BS4504, BS4504, BS1560, BS10,etc |
| Fittings Thickness | SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS |
| Fittings Types | Buttweld Fitting,Seamless Fittings,ERW Fittings,Welded Fittings |
| Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or as required |
| Fittings Manufacturing process | Push, Press, Forge, Cast, etc |
| Buttweld Pipe Fittings Test Certificates | EN 10204/3.1B,Raw Materials Certificate,100% Radiography Test Report Third Party Inspection Report, etc |
Chemical Composition % (Maximum, unless otherwise indicated)
| Grade | C | Mn | P | S | Si | Ni | Cr | Mo |
| WP316L | 0.03 | 2.00 | 0.045 | 0.03 | 1.00 | 10.0-14.0 | 16.0-18.0 | 2.00-3.00 |
For small diameter or thin walls, or both, where many drawing passes are required, a carbon maximum of 0.040 % is necessary in grades TP304L and TP316L. Small outside diameter tubes are defined as those less than 0.500 in. [12.7 mm] in outside diameter and light wall tubes as those less than 0.049 in. [1.24 mm] in average wall thickness.
Tensile Requirements
| Grade | Yield Strength min kis(MPa) | Tensile Strength min kis(MPa) | Elongation Requirements |
| WP316L | 30(205) | 75(515) | Longitudinal-28,Transverse-20 |
Solution Anneal Temperature, min 1900 [1040] °F [°C]B
Application
Oil and gas industry
Pulp and paper industry
Petroleum and Chemical
Power plants
Energy industries
Water waste projects
Fluid piping,etc.