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A832 Gr. 21V steel plate

ASTM A832 Gr. 21V

ASTM A832 Gr. 21V covers the specific chromium-molybdenum-vanadium alloy steel plates intended primarily for the fabrication of welded pressure vessels.A832 is divided into three grades or levels : A832 Grade 21V, A832 Grade 22V, A832 Grade 23V.

ASTM A832 Gr. 21V covers the specific chromium-molybdenum-vanadium alloy steel plates intended primarily for the fabrication of welded pressure vessels. The steel shall be killed and shall conform to the fine grain size requirement. All plates shall undergo normalization and tempering. Heat and product analyses shall be conducted and the steel shall conform to the prescribed chemical composition in carbon, manganese, phosphorus, sulfur, silicon, chromium, molybdenum, vanadium, titanium, boron, and copper. Tension and notch toughness testing shall be performed on the material and shall meet the required mechanical properties such as tensile strength, yield strength, and elongation.

ASTM A832 Gr. 21V is a kind of Cr-Mo-V alloy steel plates material used to fabric pressure vessels. A832 is divided into three grades or levels : A832 Grade 21V, A832 Grade 22V, A832 Grade 23V.

Standard: ASTM A-832/A-832M

Dimension range : 3mm -500mm * 1000mm-4000mm * 1000mm-18000mm

A832 Gr. 21V steel plate/sheet Mechanical Properties :


Mechanical Properties

Grade

Thickness

Yield
Strength

Tensile Strength

Elongation

Charpy V Notch Impact Test

Degree

Min Value

A832 Gr. 21V

mm

Min Mpa

Mpa

Min %

-

J

5≤t≤50

275

450-585

23%

-

50≤t≤150

275

450-585

20%

 

-

Note: Impact energy for impact test is on longitudinal

A832 Gr. 21V Boiler steel plate CAhemical composition :


Composition

Type

A832 Gr. 21V

C

Heat analyse

0.10~0.15

Product analyse

0.08~0.18

Mn

Heat analyse

0.30~0.60

Product analyse

0.25~0.66

P ≤

Heat analyse

0.025

Product analyse

0.025

S ≤

Heat analyse

0.025

Product analyse

0.025

Si ≤

Heat analyse

0.10

Product analyse

0.13

Cr

Heat analyse

2.75~3.25

Product analyse

2.63~3.37

Mo

Heat analyse

0.90~1.10

Product analyse

0.85~1.15

V

Heat analyse

0.20~0.30

Product analyse

0.18~0.33

Ti

Heat analyse

0.015~0.035

Product analyse

0.005~0.045

B

Heat analyse

0.001~0.003

Product analyse

-

Cu ≤

Heat analyse

-

Product analyse

-

Ni ≤

Heat analyse

-

Product analyse

-

Nb ≤

Heat analyse

-

Product analyse

-

Ca ≤

Heat analyse

-

Product analyse

-

Delivery Status : Normalizing + tempering or tempering state

ASTM A832 Gr. 21V pressure vessel steel plate application :
A832 Gr. 21V steel plate is mainly used in petroleum, chemical industry, power station, boiler and other industries, for the production reactor, heat exchanger, separator, spherical tank, oil tank, liquefied gas tank, nuclear reactor pressure shell, boiler drum, liquefaction Oil cylinders, high-pressure water pipe hydropower station, turbine volute and other equipment and components.

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