ASTM A213__for seamless ferritic and austenitic alloy-steel boiler, superheater, and heat-exchanger tubes
Chemical Composition(%)
|
Grade |
Chemical Composition(%) |
||||||
|
C |
Si |
Mn |
S |
P |
Cr |
Mo |
|
|
A213 T2 |
0.10-0.20 |
0.10-0.30 |
0.30-0.61 |
≤0.02 |
≤0.025 |
0.50-0.81 |
0.44-0.65 |
|
A213 T11 |
0.05-0.15 |
0.50-1.00 |
0.30-0.60 |
≤0.02 |
≤0.025 |
1.00-1.50 |
0.44-0.65 |
|
A213 T12 |
≤0.15 |
≤0.50 |
0.30-0.61 |
≤0.02 |
≤0.025 |
0.80-1.25 |
0.44-0.65 |
|
A213 T22 |
0.05-0.15 |
≤0.50 |
0.30-0.60 |
≤0.02 |
≤0.025 |
1.90-2.60 |
0.87-1.13 |
|
A213 T23 |
0.04-0.10 |
≤0.50 |
0.10-0.60 |
≤0.01 |
≤0.025 |
1.90-2.60 |
0.05-0.30 |
|
A213 T24 |
0.05-0.10 |
0.15-0.45 |
0.30-0.70 |
≤0.02 |
≤0.025 |
2.20-2.60 |
0.70-1.10 |
|
A213 T91 |
0.08-0.12 |
0.20-0.50 |
0.30-0.60 |
≤0.01 |
≤0.02 |
8.00-9.50 |
0.85-1.05 |
|
A213 T911 |
0.09-0.13 |
0.10-0.50 |
0.30-0.60 |
≤0.02 |
≤0.025 |
8.50-10.50 |
0.90-1.10 |
Mechanical Properties:
|
Grade |
Tensile strength (Mpa) |
Yield strength (Mpa) |
Elongation (%) |
Hardness (HRB) |
|
A213 T2 |
≥415 |
≥205 |
- |
85 |
|
A213 T11 |
≥415 |
≥205 |
- |
85 |
|
A213 T22 |
≥415 |
≥205 |
- |
85 |
|
A213 T23 |
≥510 |
≥400 |
≥20 |
97 |
|
A213 T91 |
≥585 |
≥415 |
≥20 |
25 |
|
A213 T92 |
≥620 |
≥440 |
≥20 |
25 |
|
TP304H |
≥515 |
≥205 |
≥35 |
90 |
|
TP316H |
≥515 |
≥205 |
≥35 |
90 |
|
TP321H |
≥515 |
≥205 |
≥35 |
90 |
|
TP347H |
≥515 |
≥205 |
≥35 |
90 |
|
S30432 |
≥590 |
≥235 |
≥35 |
95 |
