
Product: Hot rolled Nickel-Chromium-Molybdenum alloy steel plates for use in the quenched and tempered condition, intended for the fabrication of welded pressure vessels and components.
SA543 Type B steel product available : SA543 Type B Steel plates, SA543 Type B steel sheets,
SA543 Type B steel standard :ASME SA543/SA543M
ASME SA543/SA543M specification includes the grades : SA543 Type B, SA543 Type C,
SA543 Type B includes the class :SA543 Type B class 1, SA543 Type B class 2, SA543 Type B class 3,
SA543 Type B delivery condition: Q&T(quenched and tempered)
SA543 Type B pressure vessel steel chemical composition %
Grade |
C max |
Mn max |
P max |
S max |
Si |
Ni |
Cr |
Mo |
SA543 Type B |
0.20 |
0.40 |
0.020 |
0.020 |
0.15-0.40 |
2.25-4.00 |
1.00-1.90 |
0.20-0.65 |
SA543 Type B pressure vessel steel Mechanical properties
Class |
Tensile strength Rm MPa |
Yield strength ReH MPa min |
Elongation A% min in 50mm |
SA543 Type B Class 1 |
720-860 |
585 |
14 |
SA543 Type B Class 2 |
790-930 |
690 |
14 |
SA543 Type B Class 3 |
620-795 |
485 |
16 |
JOIN-WIN STEEL keeps enough quantity
SA543 Type B steel in stock each month. We can meet our customer’s further process request like : cutting ( any size and any shape ) drilling, welding, milling, machining and steel structure.
Other grades of steel plates for pressure vessel and boiler equipment in standard ASTM A543/A543M and ASME SA543/SA543M:
A543 Type B pressure vessel steel plates,
A543 Type C pressure vessel steel plates,
SA543 Type C pressure vessel steel plates