Everyone knows that there are many types and specifications of stainless steel elbows (stainless steel pressed elbows),Many newcomers to the industry are not sure what the standards are for stainless steel butt-welded elbows, etc. As a manufacturer, let me tell you about the standards for stainless steel elbows.

Stainless steel elbow
1.The commonly used standards for stainless steel elbows in our country are the national standards (description of the grades), and the ranking is not in any particular orderGB12459Steel butt-weld seamless pipe fittingsGB/T13401Steel plate butt-welded pipe fittingsGB/T14383Forged steel socket welded pipe fittingsGB/T14626Forged steel threaded pipe fittingsGB9112-9131China National Petroleum Corporation standards for steel pipe flanges, flange covers and flange gasketsSY/T0510-1998Steel butt-weld pipe fittingsSY5257-91Sinopec standard for steel elbow pipesSH3406Petrochemical steel pipe flangesSH3408Steel butt-weld seamless pipe fittingsSH3409Forged steel socket welded pipe fittingsSH3410Chemical standards for butt-weld pipe fittings made of steel platesHGJ514Seamless butt-welded pipe fittings made of carbon steel and low alloy steelHGJ528Steel butt-welded pipe fittings with seamsHGJ10Forged steel socket welded pipe fittingsHGJ529Forged steel socket welding, threaded and butt-welded pipe fittingsHGJ-44-76-91Steel pipe flanges, gaskets, fastenersHG20592-20635Power standards for steel pipe flanges, gaskets and fastenersGD87-1101Typical Design Manual for Steam and Water Pipeline Parts and Components in Thermal Power PlantsDL/T515Power station elbow pipe2.The commonly used international standard for stainless steel elbows (grade description) is the American standard:Description of standard numberASME/ANSIB16.9Forged steel butt-weld pipe fittings manufactured in the factoryASME/ANSIB16.11Socket welded and threaded forged pipe fittingsASME/ANSIB16.28Steel butt-welded small-radius elbows and return bendsASMEB16.5Pipe flanges and flange fittingsMSSSP-43Forged stainless steel butt-weld pipe fittingsMSSSP-83Socket welding and threaded unionMSSSP-97Japanese standard for integral reinforced socket, threaded and butt-welded endsJISB2311General steel butt-weld pipe fittingsJISB2312Steel butt-weld pipe fittingsJISB2313Steel plate butt-welded pipe fittingsJISB2316The above standards are actually applicable to any stainless steel pipe fittings