Heat exchange tube standards

2009-02-27View Original

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Does anyone know why GB8163 pipes cannot be used at pressures above 10.0 MPa?

Reply #22009-02-27

The working pressure for GB8163 seamless steel pipes should be ≤1.0 MPa, right? The poster must be mistaken! GB8163 refers to ordinary seamless steel pipes used for transporting fluids such as water, oil, and gas. The wall temperature that GB8163 seamless steel pipes can withstand is specified in the Safety Technical Inspection Regulations for Hot Water Boilers.

Reply #32009-02-28

I’d like to learn* too; we are a stainless steel seamless tube factory!

Reply #42009-02-28

According to the HG standards, GB8163 steel pipes are specified to be used only in compression components with pressures below 10.0 MPa. As for why, my understanding is that the requirements for tube manufacturing and inspection under the GB8163 standard are relatively lower; such tubes can only be used in low- and medium-pressure vessels.

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Heat exchange tube standards

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