|
Application: |
Tubos de Acero al Carbón Sin Costura ASTM A179 is for tubular heat exchangers,condensers,and similar heat transfer apparatus. |
|
Size(mm): |
O.D.:6.0~114.0mm W.T.:1~15mm |
Grade and Chemical Composition (％)：
|
Chemical Composition |
C |
Mn |
P≤ |
S≤ |
Si≤ |
|
0.06-0.18 |
0.27-0.63 |
0.035 |
0.035 |
0.25 |
（SA-450/SA-450M）：
|
OD In (mm) |
+ |
- |
WT In(mm) |
+ |
- |
|
<1(25.4) |
0.10 |
0.10 |
≤1.1/2(38.1) |
20% |
0 |
|
1～1.1/2(25.4～38.1) |
0.15 |
0.15 |
>1.1/2(38.1) |
22% |
0 |
|
>1.1/2～<2(38.1～50.8) |
0.20 |
0.20 |
|
|
|
|
2～<2.1/2(50.8～63.5) |
0.25 |
0.25 |
|
|
|
|
2.1/2～<3(63.5～76.2) |
0.30 |
0.30 |
|
|
|
|
3～4(76.2～101.6) |
0.38 |
0.38 |
|
|
|
|
>4～7.1/2(101.6～190.5) |
0.38 |
0.64 |
|
|
|
|
>7.1/2～9(190.5～228.6) |
0.38 |
1.14 |
|
|
|
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