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Carbon Steel Gate Valve
May 13, 2019

Carbon Steel Gate Valve


In order to make the carbon steel gate valve safe and reliable, save energy, protect environment and save economy, the main material of the carbon steel gate valve should be selected according to design input parameters, service conditions and manufacturing requirements.


There are many problems that must be considered in the design and material selection of carbon steel gate valve. One of the key issues that must be considered is the temperature of carbon steel gate valve at work. In order to better regulate the suitable working temperature of the main material of the carbon steel gate valve, the stress requirement and temperature of the material used in the carbon steel gate valve have been stipulated in our country so as to facilitate the design of the conventional carbon steel gate valve. In addition, considering the production economy, the main material of the carbon steel gate valve should be comprehensive and appropriate to avoid economic waste. According to the design input parameters, service conditions and manufacturing requirements, and should meet the requirements, after comprehensive consideration to determine the main material of the carbon steel gate valve. Carbon cast steel is the common material number of carbon steel gate valve. It is a medium strength weldable steel casting with B mechanical properties and low carbon steel with carbon content.


Design Given: Nominal Pressure, Temperature


Reference [3] [4] Copy information, etc., after comprehensive consideration, determine the carbon steel gate valve body material carbon cast steel WCB.

    

           ASTM Mechanical Properties of Casting Materials for Valve Tubes(Mpa

Material grade

mechanical property

temperature/oC

-29~343

371

399

427

454

482

510

538

565

WCA

414

397.5

359

298

240

180

125

70

207

200

180

150

120

90

65

35

WCB

485

458

408

330

256

180

125

70

245

230

200

165

128

90

65

35


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