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Chemical Composition Requirements of Cast Steel Grades for General Engineering Purposes

The following is the chemical composition of cast steels for general engineering purposes, the grades are 200-400, 200-400W, 230-450, 230-450W, 270-480, 270-480W, 340-550, 340-550W.

Steel Grade

Chemical Composition Requirements of Cast Steel Grades (% maxima)

C Mn Si P S Ni Cr Cu Mo V
200-400 - - - 0.035 0.035 - - - - -
200-400W 0.25 1.00 0.60 0.035 0.035 0.40 0.35 0.40 0.15 0.05
230-450 - - - 0.035 0.035 - - - - -
230-450W 0.25 1.20 0.60 0.035 0.035 0.40 0.35 0.40 0.15 0.05
270-480 - - - 0.035 0.035 - - - - -
270-480W 0.25 1.20 0.60 0.035 0.035 0.40 0.35 0.40 0.15 0.05
340-550 - - - 0.035 0.035 - - - - -
340-550W 0.25 1.50 0.60 0.035 0.035 0.40 0.35 0.40 0.15 0.05

The followings are some steel castings produced by Dandong Foundry in China.


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