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A204 Gr.A steel plate
A204 Gr.A steel plate

ASTM A204 Gr.A this property is based on it's Mo composition. ASTM A-204/A-204M A204 has three grades or levels-- Grade A/B/C. A204 steel gradespecification covers molybdenum alloy, intended particularly of welded boilers and others pressure vessels steel plate in A204 Gr. A,A204 Gr .B and A204 Gr .C.

Standard: ASTM A-204/A-204M

Dimension range :1.5mm -260mm x 1000mm-4000mm x 1000mm-18000mm

A204 Gr.A steel plate Mechanical Properties

Mechanical Properties

Grade

Thickness

Yield Strength

Tensile Strength

Elongation

Charpy V Notch Impact Test

Degree

Min Value

A204Gr.A

mm

Min Mpa

Mpa

Min %

-

J

5≤t≤50

275

485-620

21%

-

50≤t≤100

275

485-620

17%

 

 

Note: Impact energy for impact test is on longitudinal

A204 Gr.A Boiler steel plate Chemical Composition

Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

Mo

N

A204Gr.A

0.20-0.27

0.13-0.45

0.90-0.98

0.035

0.035

0.41-0.64

 

Delivery Status :Normalizing + tempering or tempering state

A204 Gr.A structural steel plate Application :
ASTM A204 Gr.A pressure vessel steel is widely used in petroleum, chemical industry, power station, boiler, etc, used to make the reactor, heat exchanger, separator, spherical tank, liquefied gas, nuclear reactor pressure vessel, boiler steam drum steam, liquefied petroleum, hydropower station, high pressure pipe.

Related Product:

A204 Grade B,A204 Grade C

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