A199 paip keluli aloi perantaraan lancar yang ditarik sejuk digunakan terutamanya dalam penukar haba, pemeluwap dan peralatan pemindahan haba yang lain. JadiPaip keluli ASTM A199digunakan untuk mengangkut bendalir dan gas pada suhu dan tekanan tinggi.
perbandingan bahan paip penukar haba ASTM A 199
|
standard ASTM |
Jepun |
Jerman |
Inggeris |
||
|
JIS Tidak |
jenis DIN |
DIN Tidak |
BS Tidak |
gred BS |
|
|
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 |
|
Analisis kimia ASTM A199 (%):
|
Gred keluli |
C |
Mn |
P (maks) |
S (maks) |
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 maks; V 0.18-0.25; Cb 0.06-0.10; N 0.03-0.07; Al 0.04 maks |
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Sifat Mekanikal ASTM A199:
|
Gred keluli |
Kekuatan Tegangan (Mpa) |
Kekuatan Hasil (Mpa) |
Pemanjangan (%) |
Kekerasan 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 |
