Home
>
Material
ASME SA-540/SA540M-1993
Specification for alloy steel bolting materials for special applications
Material Designation
Chemical Composition (%)
SA540 GradeB23 Class1
(
E-4340-H
) (
SA540M-B23 CL1
)
Min
Max
SA540 GradeB23 Class2
(
E-4340-H
) (
SA540M-B23 CL2
)
Min
Max
SA540 GradeB23 Class3
(
E-4340-H
) (
SA540M-B23 CL3
)
Min
Max
SA540 GradeB23 Class4
(
E-4340-H
) (
SA540M-B23 CL4
)
Min
Max
SA540M GradeB23 Class5
(
E-4340-H
) (
SA540M-B23 CL5
)
Min
Max
For Reference Only
