SPECIFICATIONS

Remark A : Impact test on material grades SM400,SM490, SM520,SM400B,SM490YB, SN400B,SN490B, 43C and 50C with thickness > 12 mm. at 0 ํC B : Impact test on material grades 43B, 50B, S275JR with thickness > 12mm. at 20 ํC C : It is permissible to vary the carbon and manganese contents (ladle analysis) for grades 50B and 50C on the basis of an ... ................
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