Issues with the material of the lean amine liquid tank

2017-08-10View Original

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The material of the lean amine liquid tank was originally Q345R (R-HIC), but it has been changed to Q245R; is it because the H2S concentration is low, so corrosion cracking is not a concern?

Reply #22017-08-10

For stress corrosion, it’s better to use Q245R

Reply #32017-08-12

Both Q345R(R-HIC) and Q245R were considered in light of corrosion cracking. I think it is feasible to change to Q245R in the design due to issues such as the price or lead time of Q345R(R-HIC) material

Reply #42017-08-13

Q245R already has excellent resistance to H2S corrosion

Reply #52017-08-13

I’m also glad it’s the same person upstairs. . . . The score is too low. . .

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Issues with the material of the lean amine liquid tank

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