-Can 20# seamless steel pipes be used for a low-temperature, non-corrosive liquid at 25℃?

2020-03-14View Original

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-Can 20# seamless steel pipes be used for a low-temperature, non-corrosive liquid at 25℃?

Reply #22020-03-14

The minimum operating temperature for 20-grade steel is -20°C, so it probably cannot be used. 16Mn (-40°C) can be used

Reply #32020-03-14

Is it really necessary? If a shock test is required, 16MN can be used; if the volume isn’t large, then 304 will suffice

Reply #42020-03-15

Under normal conditions, it cannot be used, but it may be usable in low-temperature and low-stress scenarios.

Reply #52020-07-20

If the materials meet the requirements, they should not be used in non-compliant ways

Reply #62020-07-24

Check the process standards for LF2

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