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Red Nova
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Join Date: Mar 2011
Posts: 5

Lowest Service Temperature For Steel Selection

03/13/2011 4:06 AM

Hi.

I was trying to understand how must be steel selected in accordance with European standard.

Eurocode 3 refers to lowest service temperature for design against brittle fracture. But I can't find what is the definition of "lowest service temperature". Is it one-day mean or five-day mean or maybe something else?
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ba/ael
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#1

Re: Lowest Service Temperature For Steel Selection

03/13/2011 3:26 PM

I would think it is the lowest temperature the steel will feel in its lifetime. It doesn't have to be sixty below for very long to cause brittle fracture.

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ronclarke
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Re: Lowest Service Temperature For Steel Selection

03/14/2011 11:03 AM

We do charpy testing down to -40 degrees F. I believe the customer sets the temperature.

Ron

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Kwetz
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#3

Re: Lowest Service Temperature For Steel Selection

03/16/2011 4:01 AM

I think you must consider the minimum "metal" temperature that is expectable, taking into account any variables (weather, fluid temperature, thermal insulation, heat tracing, etc.)

Kind regards

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