ASME SA 387 GRADE 91 Class 1

SA 387 Gr. 91 Cl. 2 Plates hold particular significance in scenarios demanding elevated temperature endurance and robust anti-corrosion attributes. Notably, ASME SA 387 Grade 91 stands as a steel grade tailored for pressure vessel applications, with a predominant presence in the oil and gas industries. Its remarkable resistance to corrosion renders it a viable choice even within demanding sour service environments. With its impressive weldability and heat-resistant properties, this material emerges as a remarkably versatile steel variant, finding application across a wide spectrum of industrial contexts.
SA387/ASME SA 387 GRADE 22 Class 1Plate Specification
Specifications |
: |
ASTM A387 / ASME SA387 |
Thickness |
: |
5mm-150mm |
Width |
: |
1000mm-4500mm |
Length |
: |
3000mm -18000mm |
Hardness |
: |
As per ASME A & NACE MR 175 |
Impact Tested |
: |
Impact tested -52° C |
Finish |
: |
Hot rolled plate (HR), Cold rolled sheet (CR) |
Chemical Requirements
BS |
EN |
ASTM/ASME |
DIN |
- |
10CrMoVNb9-1 |
A387-91-2 |
- |
The carbon content for plates over 5 in. (125 mm) in thickness is 0.17 max on product
analysis.
Mechanical Composition
Tensile Strength |
Yield Strength |
Elongation in 50mm (%) |
Reduction of area in % |
75-100 ksi, 515-690 MPa |
45 Ksi, 310 MPa |
18 |
45 |