ASTM A533 Grade B in the standard ASTM A533/A533M.ASTM A533 Grade B is a kind of Mn-Mo and Mn-Mo-Ni alloy steel plates material used to fabric high temperature pressure vessels. Just because ASTM A533 Grade B with the special Manganese , Molybdenum , and Manganese, Molybdenum, Nickel chemical composition, ASTM A533 has the right property to be used in high temperature pressure vessel. ASTM A533 Grade B is also a Quenching + Tempering steel material. ASTM A533 have four types A/B/C/D.
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ASTM A533 Grade B steel chemical composition(%) :
|
Composition |
Grade B |
|
|
C ≤ ① |
|
0.25 |
|
Mn |
Heat analyse |
1.15~1.50 |
|
Product analyse |
1.07~1.62 |
|
|
P ≤ ① |
0.035 |
|
|
S ≤ ① |
0.035 |
|
|
Si |
Heat analyse |
0.15~0.40 |
|
Product analyse |
0.13~0.45 |
|
|
Ni |
Heat analyse |
0.40~0.70 |
|
Product analyse |
0.37~0.73 |
|
|
Mo |
Heat analyse |
0.45~0.60 |
|
Product analyse |
0.41~0.64 |
|
Note : ① Be suitable for both heat analyse and product analyse.
ASTM A533 Grade B steel application :
ASTM A533 Grade B Has excellent low-temperature impact toughness and mechanical properties, is typically used for environment - 100 ~ 196 ℃ low temperature conditions .Of 9% Ni steel is widely used in cryogenic separation processing, liquefied gas storage areas, such as a large vacuum low temperature storage of liquefied natural gas (LNG).
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Related link :ASTM A533 Grade A, ASTM A533 Grade C , ASTM A533 Grade D,ASTM A533
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