Changzhou Joyruns Steel Tube CO.,LTD
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ASTM A179 seamless boiler steel tube for heat exchangers
Applications: heat exchangers, condensers, heat transfer equipment and similar pipes
Standard: ASTM A179
OD. Range:6mm – 16”
Wall thickness: 1mm-36mm
Length: Max length 12M
Type: Seamless boiler tube
Packaging detail: Bundles with plastic paper packaged or wooden box package
Technique: cold drawing, cold rolled
Applications:
heat exchangers tubes
Steam tubes
Condensers tubes
similar heat transfer apparatus tubes
Specifications:
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 |
Mechanical properties
|
OD In (mm) |
+ |
- |
WT In(mm) |
+ |
- |
|
< 1(25.4) |
0.10 |
0.10 |
≤ 1.1/2(38.1) |
20% |
0 |
|
1 to 1.1/2(25.4 to 38.1) |
0.15 |
0.15 |
> 1.1/2(38.2) |
22% |
0 |
|
> 1.1/2 to < 2(38.1 to 50.8) |
0.20 |
0.20 |
|
|
|
|
2 to < 2.1/2(50.8 to 63.5) |
0.25 |
0.25 |
|
|
|
|
2.1/2 to < 3(63.5 to 76.2) |
0.30 |
0.30 |
|
|
|
|
3 to 4(76.2 to 101.6) |
0.38 |
0.38 |
|
|
|
|
> 4 to 7.1/2(101.6 to 190.5) |
0.38 |
0.64 |
|
|
|
|
> 7.1/2 to 9(190.5 to 228.6) |
0.38 |
1.14 |
|
|
|