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STANDARD PIPE
Steel pipe with longitudinal welding, manufactured by the hot reduction method, by means of which it acquires the conditions required by the Na- tional Standard NOM-B-137, as well as international ASTM-A-178; with standardized welding.
It is also subjected to non-destructive tests, such as: UT and Hydrostatic Test that ensure its quality.
Product available in:
CHARACTERISTICS
- In bare steel, with diameters from 32 to 100 mm (1 1⁄4 "to 4") with beveled ends
- Cut to the client's size (maximum 13 m)
USES AND APPLICATIONS
- Boilers
- Heaters
TECHNICAL INFORMATION
Dimensions and characteristics NMX -B-137 (ASTM-A-178)
| DESIGNATION | EXTERNAL DIAMETER | NOMINAL THICKNESS | HYDROSTATIC PRESSURE | WEIGHT | |||||
| mm | in | mm | in | mm | in | kg/cm² | lb/in² | kg/m | lb/pie |
| 32 | 1 1/4 | 31.75 | 1.25 | 2.9 | 0.114 | 105 | 1493 | 2.06 | 1.41 |
| 40 | 1 1/2 | 38.1 | 1.5 | 2.9 | 0.114 | 140 | 1991 | 2.51 | 1.71 |
| 50 | 2 | 50.8 | 2 | 2.9 | 0.114 | 140 | 1991 | 3.42 | 2.53 |
| 50.8 | 2 | 3.2 | 0.126 | 140 | 1991 | 3.76 | 2.55 | ||
| 58 | 2 1/4 | 57.15 | 2.25 | 2.9 | 0.114 | 175 | 2489 | 3.87 | 2.65 |
| 57.15 | 2.25 | 3.2 | 0.126 | 175 | 2489 | 4.26 | 2.90 | ||
| 65 | 2 1/2 | 63.5 | 2.5 | 2.9 | 0.114 | 175 | 2489 | 4.33 | 2.91 |
| 63.5 | 2.5 | 3.2 | 0.126 | 175 | 2489 | 4.76 | 3.2 | ||
| 80 | 3 | 76.2 | 3 | 2.9 | 0.114 | 175 | 2489 | 5.23 | 3.52 |
| 76.2 | 3 | 3.2 | 0.126 | 175 | 2489 | 5.76 | 3.87 | ||
| 76.2 | 3 | 4 | 0.156 | 175 | 2489 | 7.06 | 4.74 | ||
| 82.55 | 3.25 | 2.9 | 0.114 | 211 | 3000 | 5.69 | 3.82 | ||
| 84 | 3 1/4 | 82.55 | 3.25 | 3.2 | 0.126 | 211 | 3000 | 6.26 | 4.21 |
| 82.55 | 3.25 | 3.9 | 0.152 | 211 | 3000 | 7.49 | 5.03 | ||
| 82.55 | 3.25 | 4 | 0.157 | 211 | 3000 | 7.73 | 5.19 | ||
| 88.9 | 3.5 | 2.9 | 0.114 | 211 | 3000 | 6.14 | 4.13 | ||
| 90 | 3 1/2 | 88.9 | 3.5 | 3.2 | 0.126 | 211 | 3000 | 6.76 | 4.54 |
| 88.9 | 3.5 | 3.9 | 0.152 | 211 | 3000 | 8.10 | 5.44 | ||
| 88.9 | 3.5 | 4 | 0.157 | 211 | 3000 | 8.35 | 5.61 | ||
| 101.6 | 4 | 2.9 | 0.114 | 211 | 3000 | 7.05 | 4.74 | ||
| 100 | 4 | 101.6 | 4 | 3.2 | 0.126 | 211 | 3000 | 7.77 | 5.22 |
| 101.6 | 4 | 3.9 | 0.152 | 211 | 3000 | 9.31 | 6.25 | ||
| 101.6 | 4 | 4 | 0.157 | 211 | 3000 | 9.60 | 6.45 | ||
Physical Requirements
| Minimum Tensile Strength kg / cm2 (lb/in2) | 3305 (47,000) |
| Minimum yield Point kg / cm2 (lb/in2) | 1828 (26,000) |
| % Minimum elongation in 2" | 35 |
Chemical Requirements
| % | Grade A |
| Carbon | 0.06-0.18 |
| Manganese | 0.27-0.63 |
| Maximum phosphorus | 0.035 |
| Maximum sulfur | 0.035 |
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