Medium Carbon Steel Tube A179 for Heat Exchanger Use
KWK Steel Co., Ltd [China] 
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 |
