Product :ASTM A203 Grade A is a kind of Ni-alloy steel material used to fabric high temperature pressure vessels. ASTM A203Grade A this property is based on it's Ni composition.A203 Grade A is used in fabricators serving industry, especially in the oil, gas and chemical supply markets. ASTM A203 has five grades or levels-- Grade A/B/D/E/F.
Key words:A203 Grade A,ASTM A203 Grade A,A203 Grade A alloy steel,ASTM A203 Grade A alloy steel for pressure vessels,A203 Grade A Ni-alloy steel, A203 Grade A Ni-alloy steel material for fabric high temperature pressure vessels.
ASTM A203 Grade A steel chemical composition (%):
Composition |
Type |
Thickness (mm) |
A203 Grade A(JIS G3127 SL2N255) |
C ≤ |
Heat analyse |
≤50 |
0.17 |
50~100 |
0.20 |
||
Product analyse |
|||
>100 |
0.23 |
||
Mn ≤ |
Heat analyse |
≤50 |
0.70 |
>50 |
0.80 |
||
Product analyse |
≤50 |
0.78 |
|
>50 |
0.88 |
||
P ≤ |
Heat analyse |
- |
0.035 |
S ≤ |
Product analyse |
- |
0.035 |
Si |
Heat analyse |
- |
0.15~0.40 |
Product analyse |
- |
0.13~0.45 |
|
Ni |
Heat analyse |
- |
2.10~2.50 |
Product analyse |
- |
2.03~2.57 |
ASTM A203 Grade A steel Mechanical Properties:
Grade |
Nominal Nickel |
Yield Strength, min, ksi [MPa] |
Tensile Strength, min, ksi [MPa] |
Elongation in 8 in. [200 mm], min, % |
Elongation in 2 in. [50 mm], min, % |
A |
2.25 |
37 [255] |
65-85 [450-585] |
15 |
19 |
KATALOR steel keeps more than 10,000 tons hot rolled and cold rolled A203 Grade A steel in stock each month. We can meet our customer’s any quantity request. Based on these stock source, our advantage industry spread into steel process like : cutting ( any size and any shape ) drilling, welding, milling, machining and steel structure.
Shanghai Katalor Can supply different steel grades of ASTM A203 and ASTM A203 steel plates , like A203/A203 Grade A, A203/A203 Grade B, A203/A203 Grade D, A203/A203 Grade E , A203/A203 Grade F . If you need any grades of ASTM A203/ASTM A203 steel plates , please do not hesitate to contact us as following ways .
Related link :A203 Grade B,A203 Grade D,A203 Grade E,A203 Grade F,ASTM A203
Shanghai Katalor Enterprises Co., Ltd are situated on beautiful city ~ Shanghai. Our company not only supply large quantity steel products, also can offer the various kinds of processing. Our advantage is export steel plate, coil, pipe/tube, stainless steel and so on, if you have any requirements of those products, please be free to contact us.