materialjämförelse av ASTM A 199 värmeväxlarrör
|
ASTM standard |
japanska |
tysk |
brittisk |
||
|
JIS nr |
DIN typ |
DIN nr |
BS nr |
BS betyg |
|
|
A199 T5 |
STBA25 |
12crmo19 5 |
3606 |
CFS625 |
|
|
A199 T11 |
STBA23 |
DIN17175 |
13crmo44 |
3606 |
CFS621 |
|
A199 T22 |
STBA24 |
SEW610 |
10crmo9 10 |
3606 |
CFS622 |
|
A199 t9 |
STBA26 |
DIN17175 |
12CrMo195 |
3606 |
|
Kemisk analys av ASTM A199 (%):
|
Stål grad |
C |
Mn |
P (max) |
S (max) |
Si |
Hp |
Mo |
|
ASTM A199 T4 |
0.15MAX |
0.30-0.60 |
0.03 |
0.03 |
0.50-1.0 |
2.15-2.85 |
0.44-0.65 |
|
ASTM A199 T5 |
0.50-0.15 |
0.30-0.60 |
0.03 |
0.03 |
0.50MAX |
4.00-6.00 |
0.45-0.65 |
|
ASTM A199 T9 |
0.15MAX |
0.30-0.60 |
0.03 |
0.03 |
0.25-1.0 |
8.00-10.0 |
0.90-1.10 |
|
ASTM A199 T11 |
0.50-0.15 |
0.30-0.60 |
0.03 |
0.03 |
0.50-1.0 |
1.00-1.50 |
0.44-0.65 |
|
ASTM A199T22 |
0.50-0.15 |
0.30-0.60 |
0.03 |
0.03 |
0.50MAX |
1.90-2.60 |
0.87-1.13 |
|
* Ni {{0}}.40 max; V 0.18-0.25; Cb 0.06-0.10; N 0.03-0.07; Al 0,04 max |
|||||||
Mekaniska egenskaper hos ASTM A199:
|
Stål grad |
Draghållfasthet (Mpa) |
Avkastningsstyrka (Mpa) |
Förlängning (%) |
Hårdhet HRB MAX |
|
ASTM A199 T4 |
415 MINUTER |
170 MIN |
30/22 |
85 HRB MAX |
|
ASTM A199 T5 |
415 MINUTER |
170 MIN |
30/22 |
85 HRB MAX |
|
ASTM A199 T9 |
415 MINUTER |
170 MIN |
30/22 |
85 HRB MAX |
|
ASTM A199 T11 |
415MIN |
170 MIN |
30/22 |
85 HRB MAX |
|
ASTM A199 T22 |
415 MINUTER |
170 MIN |
30/22 |
85 HRB MAX |
