ASTM A204 Gr A alloy steel plate for pressure vessels

ASTM A204 Gr A alloy steel plate for pressure vessels

ASTM A204 Gr.A is a kind of Mo-alloy steel material used to fabric high temperature pressure vessels. A204 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 grade specification 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
Steel Grade : A-204 Gr.A, A-204 Gr.B, A-204 Gr.C
Dimension range :1.5mm -260mm x 1000mm-4000mm x 1000mm-18000mm
MOQ: 1 PC
Product type : Steel plate
Delivery time : Promptly ( Stock) or 10-40 days (Production)
Stock : Available
MTC: Available
Payment Term : T/T or L/C At sight .

ASTM A204 Gr A Equivalent steel grade : France 15 CD 4.05

ASTM A204 Gr.A steel chemical composition (%) :

Composition

Type

Thickness(mm)

A

C ≤

Heat analyse

Product analyse

≤25

0.18

>25~50

0.21

>50~100

0.23

>100

0.25

Mn ≤

Heat analyse

-

0.90

Product analyse

-

0.98

P ≤ , S ≤

Heat analyse

-

0.035

Product analyse

-

0.035

Si

Heat analyse

-

0.15~0.40

Product analyse

-

0.13~0.45

Mo

Heat analyse

-

0.45~0.60

Product analyse

-

0.41~0.64

ASTM A204 Gr.A steel Mechanical Properties:

Grade

Tensile Strength kis

[MPa]

Yield Strength min, kis

[MPa]

Elongation in 8 in. [200 mm], min,

%

Elongation in 2 in. [50 mm], min,

%

A204 Gr A

65-85 [450-585]

37 [255]

19

23

ASTM A204 Gr.A Supplementary Technology:
HIC Test | NACE MR0175 | Z15 | Z25 | Z35 | S1 | S2 | S3 | S4.1 S5 | S6 | S7 | S8 | S9| S11 | S12 | S14 | S17

ASTM A204 Gr.A steel chief 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.

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ASME A204/A204M

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