ASTM A204Grade A is a kind of Mo-alloy steel material for high temperature pressure vessels. ASTM A204Grade A is widely used in petroleum, chemical industry, power station, boiler, etc, A204Grade A is also used to make the reactor, heat exchanger, separator, spherical tank, liquefied gas, nuclear reactor pressure vessel.
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
|
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
|
A204Grade A key points
Standard: AISI, ASTM, BS, DIN, GB, JIS
Grade: alloy steel
Thickness：0.3mm~800mm
Width：1m,1.22m,1.25m,1.5m, or as required
Length：2m,2.44m,2.5m,5.8m,6m or as required
Besides, the size can be customized.
Surface: polished, galvanized, checkered, embossed, black painted, oil
Package: Standard export seaworthy or as customers' requirements
Grade: alloy steel
Thickness：0.3mm~800mm
Width：1m,1.22m,1.25m,1.5m, or as required
Length：2m,2.44m,2.5m,5.8m,6m or as required
Besides, the size can be customized.
Surface: polished, galvanized, checkered, embossed, black painted, oil
Package: Standard export seaworthy or as customers' requirements
learn more:http://construction-steel.com/News/How-are-the-ASTM-A204Grade-A-Material-Properties-Defined.html
skype:lisa.liu6282
没有评论:
发表评论