- OUT SIDE DIAMETER:6.00 MM TO 101.00 MM
- THICKNESS:0.85MM TO 12.7MM
- LENGTH:1.0 MTR TO 27.0 MTR
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ASTM A179 Standard require minimum-wall thickness, seamless cold-drawn low-carbon steel tubes for tubular heat exchangers, condensers, and similar heat transfer apparatus.
Applications include:
ASTM A179 Tube Chemical Compositions
| Chemical Components (%) | |||||||
| C | Si | Mn | P | S | Mo | Cr | V |
| 0.06-0.18 | / | 0.27-0.63 | ≤0.035 | ≤0.035 | / | / | / |
| Mechanical Properties | |||
| Tensile
Strength (Mpa) |
Yield
Strength (Mpa) |
Elongation
(%) |
Hardness
(HRB) |
| ≥325 | ≥180 | ≥35 | ≤72 |
ASTM A179/ASME SA179 Tube Wall Thickness Tolerance
| Seamless, Cold-Finished Tubes | ||
| Outside Diameter,
In.(mm) |
Wall thickness Tolerance % | |
| Over (+) | Under (-) | |
| 1 ½ (38.1)
and under |
20 | 0 |
| Over 1½ (38.1) | 22 | 0 |
