1
1

1

1
2
2

2

2
pic

ABOUT HUADONG

Yangzhou Huadong Pipeline Technology Co., Ltd. is located in Yangzhou, a famous historical and cultural city in China. The company was founded in 2005. Since 2005, it has been mass-producing spring support hangers and four major pipe connections. Factory, petrochemical plant supply, product sales nationwide, after more than ten years of development and growth, has now become spring (disc spring) support hangers and pipe accessories and other product research and development, manufacturing...

Engaged in the development and production of spring-supported hangers and four major pipe connections

If inquiring about our products, please contact us by phone: 0514-87256161

Products and Services

News center

What are the styles of stainless steel manholes?

What are the styles of stainless steel manholes?

Stainlesssteelmanholesareacollectivename,acommonnameforthematerialusedformanholes.Usuallyinstalledonthetopofstoragetanks,containersandtankswithstainlesssteelairbreathingvalvesandtankwashers,stainlesssteelmanholesarealsosafe.Fireresistanceisasafetydeviceforprotectingstoragetanks,andisespeciallysuitableforvaultedatmosphericpressuretankswhosestoragematerialsarecappedwithnitrogen. Aslongasstainlesssteelmanholesaremadeofstainlesssteel,theyarecalledstainlesssteelmanholes.Infact,therearestillmanysubdividedshapes. 1.Accordingtothematerial. Stainlesssteelisusuallydividedintostainlesssteelaccordingtotheorganizationstate:martensiticsteel,ferriticsteel,austeniticsteel,austenitic-ferritic(duplex)stainlesssteelandprecipitationhardeningstainlesssteel.Austeniticstainlesssteeliscommonlyusedforstainlesssteelmanholes.Thistypeofsteelhasgoodplasticity,toughness,propertiesandcorrosionresistance,andhasgoodcorrosionresistanceinoxidizingandreducingmedia.Itisusedtomakeacid-resistantstainlesssteel.Holes,304stainlesssteelmanholes,316stainlesssteelmanholes,316lstainlesssteelmanholesaremorecommonlyused.Otherstainlesssteelmanholessuchas201,301,304l,321areusedless. 2.Accordingtotheusepressureclassification: Stainlesssteelmanholesaredividedintonormalpressuremanholesandpressuremanholesaccordingtotheusepressure. Three.Classifiedaccordingto*gradeorchemicalstandards: Sanitarymanholes,standardmanholes,steelmanholes,etc.(Steelmanholesarejustabbreviations,whicharedividedintomanytypesaccordingtostandardmodels).
2019-12-18

Message

If you have any questions, please leave a message and we will answer you in time!

验证码

About us

Customer satisfaction is the sole criterion for testing product quality. Listen to the voice of customers, grasp their needs, and improve customer satisfaction

Contact us

Contact: Mr. Liang 1381580000

Add: Shaobo Town, Jiangdu District, Yangzhou City, Jiangsu Province

Copyright © 2020 Yangzhou Huadong Pipeline Technology Co., Ltd.