ASTM A387 GRADE 91 is a kind of Chromium-Molybdenum alloy steel plate, intended for welded boiler and pressure vessels which designed for elevated temperature service. With these steel plate, we can produce different kinds of ASTM A387 GRADE 91 steel work/steel structure/steel machining parts to customer.
|
GRADE |
C |
Mn |
P max |
S max |
Si |
Cr |
Mo |
Ni |
V |
Nb |
N |
Al |
Ti |
Zr |
|
A387 GRADE 91 |
0.08-0.12 |
0.30-0.60 |
0.02 |
0.01 |
0.20-0.50 |
8.00-9.50 |
0.85-1.05 |
≤0.40 |
0.18-0.25 |
0.06-0.10 |
0.030-0.070 |
≤0.02 |
≤0.01 |
≤0.01 |
|
Grade |
Tensile strength |
Yield strength min |
Elongation % min |
|||
|
ksi |
Mpa |
ksi |
Mpa |
In 8 in. |
In 2 in. |
|
|
GRADE 91 Class 2 |
85-110 |
585-760 |
60 |
415 |
… |
18 |
General requirement: ASTM A20/A20M.
Heat treatment: normalizing and tempering.
Katalor enterprises is the A level agent of Baosteel and Jigang, we also has good relationship with most steel factories in China. We can help book ASTM A387 GRADE 91 steel plate from factory in competitive price.
Our product: Air storage tank,reaction still, flange, waste gas cleaning tower, separator, chemical tower, heat exchanger, storage tank, etc.
We also offer steel processing such as bending, beveling, drilling, and milling, if you need ASTM A387 GRADE 91 Class 2 steelwork, steel structure, steel machining parts, please contact us.
