Application:
It is used for boiler and superheater, seamless steel ferrite and austenitic steel tube and heat exchanger austenitic steel tube
Main Steel Grades:
A213 T11, A213 T12, A213 T22, etc..
Other grades can also be provided after consulting with customers
Chemical Composition & Mechanical Properties:
|
Standard |
Grade |
Chemical Composition |
Mechanical Properties |
||||||||||
|
C |
Si |
Mn |
P, S |
Cr |
Mo |
V |
Cu |
Ni |
Ts (Mpa) |
Ys (Mpa) |
E % |
||
|
ASTM A 213 |
T11 |
0.05-0.15 |
0.50-1.00 |
0.30-0.60 |
≤0.025 |
1.00-1.50 |
0.44-0.65 |
/ | / | / |
≥415 |
≥170 |
≥30 |
|
T12 |
0.05-0.15 |
≤0.50 |
0.30-0.61 |
≤0.025 |
0.80-1.25 |
0.44-0.65 |
/ | / | / |
≥415 |
≥205 |
≥30 |
|
|
T22 |
0.05-0.15 |
≤0.50 |
0.30-0.60 |
≤0.025 |
1.90-2.60 |
0.87-1.13 |
/ | / | / |
≥415 |
≥205 |
≥30 |
|
|
T91 |
0.08-0.12 |
0.20-0.50 |
0.30-0.60 |
≤0.025 |
8.00-9.50 |
0.85-1.05 |
/ | / | / |
≥585 |
≥415 |
≥20 |
|