material comparison of ASTM A 199 heat-exchanger pipe
|
ASTM standard |
Japanese |
German |
British |
||
|
JIS No |
DIN type |
DIN No |
BS No |
BS grade |
|
|
A199 T5 |
STBA25 |
12crmo195 |
3606 |
CFS625 |
|
|
A199 T11 |
STBA23 |
DIN17175 |
13crmo44 |
3606 |
CFS621 |
|
A199 T22 |
STBA24 |
SEW610 |
10crmo910 |
3606 |
CFS622 |
|
A199 t9 |
STBA26 |
DIN17175 |
12CrMo195 |
3606 |
|
Chemical analysis of ASTM A199 (%):
|
Steel grade |
C |
Mn |
P (max) |
S (max) |
Si |
Cr |
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 |
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Mechnical Properties of ASTM A199:
|
Steel grade |
Tensile Strength (Mpa) |
Yield Strength (Mpa) |
Elongation (%) |
Hardness HRB MAX |
|
ASTM A199 T4 |
415MIN |
170MIN |
30/22 |
85HRB MAX |
|
ASTM A199 T5 |
415MIN |
170MIN |
30/22 |
85HRB MAX |
|
ASTM A199 T9 |
415MIN |
170MIN |
30/22 |
85HRB MAX |
|
ASTM A199 T11 |
415MIN |
170MIN |
30/22 |
85HRB MAX |
|
ASTM A199 T22 |
415MIN |
170MIN |
30/22 |
85HRB MAX |
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