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File:Steel pd.svg

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Description
English: Steel phase diagram

Iron-carbon phase diagram under atmospheric pressure

This diagram is limited by pure iron on the left and by iron carbide on the right. The mains phases are: 

   * α iron: ferrite, ferritic steel
   * γ iron: austenite, austenitic steel
   * iron carbide: cementite, Fe3C.

We can see a eutectic and a eutectoid; these phases crystallise as a stacking of fine strips of pure phases (iron and cementite) in case of the eutectoid, or a pure iron containing small balls of cementite for the eutectic. Although it is heterogeneous, these phases behave like homogeneous pure bodies.

Steel is between 0 and 2.06 mass percent of carbon. Cast iron is between 2.06 and 6.67%.

Note that this diagram is for illustrative purposes only, and is not thermodynamically accurate.

SVG Author : en:User:User A1

Original Author : Christophe Dang Ngoc Chan
Date (original upload date)
Source Transferred from en.wikipedia to Commons by Pieter Kuiper using CommonsHelper.
Author The original uploader was User A1 at English Wikipedia.
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Original upload log

The original description page was here. All following user names refer to en.wikipedia.
  • 2007-12-06 11:13 User A1 420×380× (344464 bytes) Steel phase diagram Iron-carbon phase diagram under atmospheric pressure This diagram is limited by pure iron on the left and by iron carbide on the right. The mains phases are: * α iron: ferrite, ferritic steel * γ iron: austenite, austeniti

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current09:23, 20 November 2008Thumbnail for version as of 09:23, 20 November 2008420 × 380 (336 KB)File Upload Bot (Magnus Manske) {{BotMoveToCommons|en.wikipedia}} {{Information |Description={{en|Steel phase diagram Iron-carbon phase diagram under atmospheric pressure This diagram is limited by pure iron on the left and by iron carbide on the right. The mains phases are: * �

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