Pressure rating of pressure pipe
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Please ask, 14* 1,14 * 2,14 * 3,14 * 4. What is the maximum pressure that each stainless steel pipe can withstand?
According to HG/T 21581-95 Φ14×2 ==6.3 MPa； Φ14×3 ==16 MPa ； Φ14×4 ==32 MPa
We only use two types of pipes: Φ14×2 and Φ14×4. Φ14×4 is called a high-pressure pipe and is used when it exceeds 6.3MPa.
I remember that we used one with a wall thickness of 23MM before, and it was actually customized by a steel factory:)
But it’s not just pressure, but also temperature. Depending on the temperature, the pressure may be much different. Even if it is the same process, the material and temperature have an impact on the pressure, so we need to look at the temperature and pressure curve.