What are suitable reagents for color eching of AISI 304 stainless steel?

More Hossein Ahmadi's questions See All

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Why second phase particles cluster during cold work?

In the attached picture, rolling direction is from bottom to the top(vertical).

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Can grain structure be revealed using SEM?

can we see the grains and grain boundaries without using any etching procedure by SEM?

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Neetesh Soni

Dear , for 316 SS you can read article link it will help you .

Ref: https://ac.els-cdn.com/S0026057601852764/1-s2.0-S0026057601852764-main.pdf?_tid=fca26bda-9b20-4f58-a7f7-9497f2c9e255&acdnat=1543782949_a6448dfd5f04d62ba9120ba8b90ccc7b

this is all refrernces but if you want to use ASTM then follow this one

Standard E407-07 of ASTM.

Darshan Kare Gowda

Dear Mr. Ahmadi,

Beraha Ⅱ colour etchant (800 ml water + 400 ml HCl + 48 g NH4FHF, Ammonium bi fluoride). You should use it fresh.

Maryam Soleimani

Dear. In this paper the researcher used some colorful etchant for 304 stainless steel.