Yuhong Group Co.,Ltd
Yuhong Holding Group Co.,LTD
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ASTM A182 F51 F53 F55 Forged Pipe Fittings , Accesorios Forjados
Yuhong Group is a factory, offers buttweld and forged pipe fittings / accesorios.Our clients have covered more than 70 countries up to know.Pipe fittings we make usually of material carbon steel (A234/A105),stainless steel (A403/A182),alloy steel ( B366,B564,B151),etc.
This page talk about the forged pipe fittings, material ASTM A182 F51,F53,F55. Of course,we make products of other material, this page is only about F51,F53,F55 material.
Forged pipe fittings we produce : threaded elbows,threaded tees, threaded coupling, threaded half coupling, threaded caps, niples, socketwelded elbows, socketwelded tees, socketwelded couplings,threadolet, weldolet,etc.
ASTM A182 This specification covers forged low alloy and stainless steel piping components for use in pressure systems. Included are flanges, fittings, valves, and similar parts to specified dimensions or to dimensional standards.
Chemical Composition
| Grade | C | Mn | P | S | Si | Ni | Cr | Mo | Others |
| F51 S31803 | 0.03 | 2.00 | 0.03 | 0.02 | 1.00 | 4.5-6.5 | 21.0-23.0 | 2.5-3.5 | N 0.08-0.20 |
| F53 S32750 | 0.03 | 1.20 | 0.035 | 0.02 | 0.80 | 6.0-8.0 | 24.0-26.0 | 3.0-5.0 | N 0.24-0.32 Cu 0.50 |
| F55 S32760 | 0.03 | 1.00 | 0.03 | 0.01 | 1.00 | 6.0-8.0 | 24.0-26.0 | 3.0-4.0 | N 0.20-0.30 Cu 0.50-1.00 |
Application
Petroleum, Power, Chemical, Construction, Gas, Metallurgy, Shipbuilding etc.