ASTM A179 seamless carbon steel pipes supplied by GNEE are made of high-quality carbon steel or alloy steel, produced by hot rolling or cold drawing process, and have the advantages of high strength, high pressure resistance, and corrosion resistance.
GNEE exports ASTM A179 steel pipes to 65 countries and regions around the world every year. The price is 5% lower than other suppliers, the production quality is strictly guaranteed, and there is a professional after-sales service team of 20 people. We will solve any doubts for you and provide project solutions! If you are looking for ASTM A179 seamless pipes, please contact us in time to get a quote!
Chemical Compositions of ASTM A179 Tubes
|
Chemical Components (%) |
|||||||
|
C |
Si | Mn | P | S | Mo | Cr | V |
| 0.06-0.18 | / | 0.27-0.63 | ≤0.035 | ≤0.035 | / | / |
/ |
Mechanical Properties of ASTM A179 Seamless Steel Pipe
|
Mechanical Properties |
|||
|
Tensile |
Yield Strength (Mpa) |
Elongation (%) |
Hardness (HRB) |
| ≥325 | ≥180 | ≥35 |
≤72 |
Wall Thickness Tolerance of test requirements
|
Seamless, Cold-Finished Tubes |
||
|
Outside Diameter |
Wall thickness Tolerance % | |
|
Over (+) |
Under (-) |
|
|
1 ½ (38.1) |
20 | 0 |
| Over 1½ (38.1) | 22 |
0 |
Outside Diameter Tolerance of test requirements
|
Cold-Finished Seamless Tubes |
||
|
Outside Diameter |
Permissible Variations In. (mm) | |
| Over (+) |
Under (-) |
|
|
Under 1 (25.4) |
0.004 (0.1) | 0.004 (0.1) |
|
1 to 1 ½ (25.4 to 38.1), Incl |
0.006 (0.15) | 0.006 (0.15) |
|
Over 11⁄2 to 2 [38.1 to 50.8], Excl |
0.008 (0.2) | 0.008 (0.2) |
| 2 to 21⁄2 [50.8 to 63.5], Excl | 0.010 (0.25) |
0.010 (0.25) |
| 21⁄2 to 3 [63.5 to 76.2], Excl | 0.012 (0.3) |
0.012 (0.3) |
