Tests on the intergranular corrosion resistance of stainless steel plates

2009-03-24View Original

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GB/T4237 states that stainless steel plates and strips shall undergo intergranular corrosion resistance tests in accordance with 6.5.1~6.5.4. For all stainless steel sheets? Isn’t intergranular corrosion a problem only in acid-resistant steels with Cr%>17%? There is an atmospheric-pressure storage tank containing highly hazardous formaldehyde at a temperature of 45 degrees. The tank is made of 316L steel – is it necessary to conduct a test for intergranular corrosion resistance?

Reply #22009-03-24

We don’t need this, right? This intergranular corrosion test should only be considered when such an environment is present.

Reply #32009-03-24

There is no need to conduct intergranular corrosion resistance tests

Reply #42009-03-24

This is necessary when the medium has a tendency to intergranular corrosion

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Tests on the intergranular corrosion resistance of stainless steel plates

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