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Material
K31545
Standard
ASTM A182/A182M-2018
Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service
Standard
ASTM A213/A213M-2019
Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
Standard
ASME SA-387/SA-387M-2019
Specification for Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum
Chemical Composition
(%)
Standard
Material Designation
Chemical Composition (%)
ASTM A182/A182M-2018
Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service
(
K31545
)
Min
Max
ASTM A213/A213M-2019
Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
A213 T21
(
K31545
)
Min
Max
ASME SA-387/SA-387M-2019
Specification for Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum
SA-387 Grade21 Class1
(
K31545
)
Min
Max
ASME SA-387/SA-387M-2019
Specification for Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum
SA-387 Grade21 Class2
(
K31545
)
Min
Max
For Reference Only
