Boiler Tubes-ASTM A179/ASME SA179
Standard specification for cold drawn seamless carbon steel tube for heat exchanger and condenser.
Application: For tubular heat exchangers, condensers and heat transfer equipment, etc.
Available Steel Grade: A179.
Size: OD 1/8-3in.(3.2-76.2mm), WT 0.015-0.500(0.4-12.7mm), Max.Length 13500mm.
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 |
||
Dimension Tolerances acc.to SA-450/SA-450M):
|
OD Inch(mm) |
+ |
- |
|
Under 1(25.4) |
0.10mm |
0.10mm |
|
1-1.1/2(25.4-38.1) incl |
0.15mm |
0.15mm |
|
1.1/2-2(38.1-50.8) excl |
0.20mm |
0.20mm |
|
2-2.1/2(50.8-63.5) excl |
0.25mm |
0.25mm |
|
2.1/2-3(63.5-76.2) excl |
0.30mm |
0.30mm |
|
3-4(76.2-101.6) incl |
0.38mm |
0.38mm |
|
4-7.1/2(101.6-190.5) incl |
0.38mm |
0.64mm |
|
7.1/2-9(190.5-228.6) incl |
0.38mm |
1.14mm |
|
|
||
|
WT Inch(mm) |
+ |
- |
|
≤1.1/2(38.1) |
20% |
0 |
|
>1.1/2(38.1) |
22% |
0 |