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ASME SA-387/SA-387M-2019
Specification for Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum
Material Designation Chemical Composition (%)
SA-387 Grade11 Class1 (K11789)
Min
Max
SA-387 Grade11 Class2 (K11789)
Min
Max
SA-387 Grade12 Class1 (K11757)
Min
Max
SA-387 Grade12 Class2 (K11757)
Min
Max
SA-387 Grade2 Class1 (S50460)
Min
Max
SA-387 Grade2 Class2 (S50460)
Min
Max
SA-387 Grade22 Class1 (K21590)
Min
Max
SA-387 Grade22 Class2 (K21590)
Min
Max
SA-387 Grade21 Class1 (K31545)
Min
Max
SA-387 Grade21 Class2 (K31545)
Min
Max
SA-387 Grade9 Class1 (K90941)
Min
Max
SA-387 Grade9 Class2 (K90941)
Min
Max
SA-387 Grade5 Class1 (S50200)
Min
Max
SA-387 Grade5 Class2 (S50200)
Min
Max
SA-387 Grade91 Type1 (K90901)
Min
Max
SA-387 Grade91 Type2 (K90901)
Min
Max
For Reference Only
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