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steel composition

steel composition

steel composition

(OP)
Hello,

could someone tell me the ANSI or ISO designations for these two steel compositions:

C       Si      Mn       P      S       Cr
0.30  0.25  0.50  0.035  0.040  0.95

C       Si      Mn      P       S        Cr       Ni      Pb
0.98  0.23  0.46  0.014  0.050  0.15   0.06   0.19   

Thanks
Pete

RE: steel composition

The first composition is similar to grade 5132 according to SAE J404, but the Mn is to low; it should be 0.60-0.80.  Grade 34Cr4 appears in ISO standards like 4954 and EN standards like EN 10263-4 is equivalent to the 5132 and likewise has a minimum Mn content of 0.60.

The second composition meets the requirements of 10L95 according to SAE J403.  C100S acording to EN 10132-4 is a nominally 1% C steel for spring discs, but the maximum S content is 0.035 and there is no Pb.  C98D2 according to EN 10016-4 is another ~ 1% C steel for drawn wire, and it is common in Europe to specify something like C98D2 + Pb to make it a "free-machining" version of a standard steel.

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