BS EN 3507:2006 pdf free.Aerospace series——Steel FE-PL1501(30CrMo12)—Air melted-Hardened and tempered —Forgings—De ≤ 100 mm-930 MPa≤Rm≤1 080 MPa. BS EN 3507 The following referenced documents are indispensable for the application of this document.For datedreferences，only the edition cited applies....