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ASME SA-193/SA-193M-2019
Standard Specification for Alloys-Steel and Stainless Steel Bolting for High-Temperature or or High Pressure Service and Other Special Purpose Applications
Material Designation Chemical Composition (%)
SA-193 B8LN Class 1D
Min
Max
SA-193 B8LN Class 1
Min
Max
SA-193 B8LNA Class 1A
Min
Max
SA-193 B8MLNA Class 1A
Min
Max
SA-193 B8MLN Class 1
Min
Max
SA-193 B8MLN Class 1D
Min
Max
SA-193 B8R Class 1C
Min
Max
SA-193 B8R Class 1D
Min
Max
SA-193 B8RA Class 1C
Min
Max
SA-193 B8SA Class 1C
Min
Max
SA-193 B8S Class 1D
Min
Max
SA-193 B8S Class 1C
Min
Max
SA-193 B8M3 Class 2C
Min
Max
SA-193 B8MNA Class 1A
Min
Max
SA-193 B8NA Class 1A
Min
Max
SA-193 B8N Class 2
Min
Max
SA-193 B8N Class 1B
Min
Max
SA-193 B8N Class 1D
Min
Max
SA-193 Grade B8M Class 1
Min
Max
SA-193 Grade B8M Class 1D
Min
Max
SA-193 Grade B8P Class 1D
Min
Max
SA-193 Grade B8P Class 1
Min
Max
SA-193 Grade B8P Class 2
Min
Max
SA-193 Grade B8PA Class 1A
Min
Max
SA-193 Grade B8T Class 1
Min
Max
SA-193 Grade B8T Class 2
Min
Max
SA-193 Grade B8TA Class 1A
Min
Max
SA-193 Grade B8C Class 1
Min
Max
SA-193 Grade B8C Class 2
Min
Max
SA-193 Grade B8CA Class 1A
Min
Max
SA-193 Grade B8CLN Class 1
Min
Max
SA-193 Grade B8CLN Class 1D
Min
Max
SA-193 Grade B8CLNA Class 1A
Min
Max
SA-193 Grade B8M Class 2
Min
Max
SA-193 Grade B8M2 Class 2B
Min
Max
SA-193 Grade B8MA Class 1A
Min
Max
SA-193 Grade B8MLCuN Class 1D
Min
Max
SA-193 Grade B8MLCuN Class 1B
Min
Max
SA-193 Grade B8MLCuN Class 2
Min
Max
SA-193 Grade B8MLCuNA Class 1A
Min
Max
SA-193 Grade B8MN Class 1B
Min
Max
SA-193 Grade B8MN Class 1D
Min
Max
SA-193 Grade B8MN Class 2
Min
Max
SA-193 Grade B8 Class 1
Min
Max
SA-193 Grade B8 Class 1D
Min
Max
SA-193 Grade B8 Class 2
Min
Max
SA-193 Grade B8 Class 2B
Min
Max
SA-193 Grade B8A Class 1A
Min
Max
SA-193 Grade B5
Min
Max
SA-193 Grade B6
Min
Max
SA-193 Grade B6X
Min
Max
SA-193 Grade B7
Min
Max
SA-193 Grade B7M
Min
Max
SA-193 Grade B16
Min
Max
SA-193 B8ML4CuN Class 1
Min
Max
SA-193 B8ML4CuN Class 1D
Min
Max
SA-193 B8ML4CuNA Class 1A
Min
Max
For Reference Only