ASTM A203 Grade E is a kind of Ni-alloy steel material used to fabric high temperature pressure vessels. ASTM A203 Grade E this property is based on it's Ni composition.A203 Grade E 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.
ASTM A203 Grade E steel chemical composition (%):
|
Composition |
Type |
Thickness (mm) |
GradeE |
|
C≤ |
Heatanalyse |
≤50 |
0.20 |
|
|
|
50~100 |
0.23 |
|
|
Productanalyse |
|
|
|
|
|
＞100 |
|
|
Mn≤ |
Heatanalyse |
≤50 |
- |
|
|
|
＞50 |
0.70 |
|
|
Productanalyse |
≤50 |
0.80 |
|
|
|
＞50 |
0.78 |
|
P≤ |
Heatanalyse |
- |
0.88 |
|
S≤ |
Productanalyse |
- |
0.035 |
|
Si |
Heatanalyse |
- |
0.035 |
|
|
Productanalyse |
- |
0.15~0.40 |
|
Ni |
Heatanalyse |
- |
0.13~0.45 |
|
|
Productanalyse |
- |
3.25~3.75 |
ASTM A203 Grade E steel Mechanical Properties:
|
Grade |
NominalNickel |
YieldStrength,min, ksi[MPa] |
TensileStrength,min, ksi[MPa] |
Elongationin8in.[200mm], min,% |
Elongationin2in.[50mm], min,% |
|
E |
3.50 |
40[275] |
70-90[485-620] |
17 |
21 |
