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ASTM A335 P11 ASME B36.10M/B36.19M ERW Low Alloy Steel Welded Pipe
Product Information:
| Product Name | ASTM A335 P11 ASME B36.10M/B36.19M ERW Low Alloy Steel Welded Pipe |
| Standards | ASTM A335/A335M, ASME SA335 |
| Size Range | 1/8″to 48″ |
| Wall Thickness | Sch5S, Sch10S,Sch10, Sch20S, Sch30,Sch40S, STD, Sch40, Sch60, Sch80S, XS, Sch80, Sch100, Sch120, Sch140,Sch160, XXS |
| Length | SRL, DRL, or as customer’s requirement |
| End Process | Plain Ends, Beveled Ends, Threaded Ends |
Chemical Composition of ASTM A335 P1 Alloy Steel (%)
| Grade | C | Mn | P | S | Si | Cr | Mo | Others |
| P11 | 0.05~0.15 | 0.30~0.60 | ≤0.025 | ≤0.025 | 0.50~1.0 | 1.0~1.5 | 0.44~0.65 |
*Ni (≤0.4), Al (≤0.02), Cb (0.06~0.1), Ti (≤0.01), Zr (≤0.01)
Mechanical Properties of ASTM A335 P1 Alloy Steel
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
| P11 | ≥415 | ≥205 | ≥30 |
ERW Welded Pipe Manufacturing Process
In ERW welding, two electrodes, usually made from copper, are used to apply pressure and current. The electrodes are disc-shaped and rotate as the material passes between them. This allows the electrodes to constantly contact the material to make long continuous welds.
A welding transformer supplies low voltage, high current AC power. The joint of the pipe has high electrical resistance relative to the rest of the circuit and is heated to its melting point by the current. The semi-molten surfaces are pressed together with a force that creates a fusion bond, resulting in a uniformly welded structure.
Dimensions of ASME/ANSI B36.10M Welded and Seamless Wrought Steel Pipe
| D | Sch5s | Sch10s | Sch10 | Sch20 | Sch30 | Sch40s | STD | Sch40 | Sch60 | Sch80s | XS | Sch80 | Sch100 | Sch120 | Sch140 | Sch160 | XXS | |
| 1/8 | 10.3 | --- | 1.24 | --- | --- | --- | 1.73 | 1.73 | 1.73 | --- | 2.41 | 2.41 | 2.41 | --- | --- | --- | --- | --- |
| 1/4 | 13.7 | --- | 1.65 | --- | --- | --- | 2.24 | 2.24 | 2.24 | --- | 3.02 | 3.02 | 3.02 | --- | --- | --- | --- | --- |
| 3/8 | 17.1 | --- | 1.65 | --- | --- | --- | 2.31 | 2.31 | 2.31 | --- | 3.2 | 3.2 | 3.2 | --- | --- | --- | --- | --- |
| 1/2 | 21.3 | 1.65 | 2.11 | --- | --- | --- | 2.77 | 2.77 | 2.77 | --- | 3.73 | 3.73 | 3.73 | --- | --- | --- | 4.78 | 7.47 |
| 3/4 | 26.7 | 1.65 | 2.11 | --- | --- | --- | 2.87 | 2.87 | 2.87 | --- | 3.91 | 3.91 | 3.91 | --- | --- | --- | 5.56 | 7.82 |
| 1 | 33.4 | 1.65 | 2.77 | --- | --- | --- | 3.38 | 3.38 | 3.38 | --- | 4.55 | 4.55 | 4.55 | --- | --- | --- | 6.35 | 9.09 |
| 1¼ | 42.2 | 1.65 | 2.77 | --- | --- | --- | 3.56 | 3.56 | 3.56 | --- | 4.85 | 4.85 | 4.85 | --- | --- | --- | 6.35 | 9.7 |
| 1½ | 48.3 | 1.65 | 2.77 | --- | --- | --- | 3.68 | 3.68 | 3.68 | --- | 5.08 | 5.08 | 5.08 | --- | --- | --- | 7.14 | 10.15 |
| 2 | 60.3 | 1.65 | 2.77 | --- | --- | --- | 3.91 | 3.91 | 3.91 | --- | 5.54 | 5.54 | 5.54 | --- | --- | --- | 8.74 | 11.07 |
| 2½ | 73 | 2.11 | 3.05 | --- | --- | --- | 5.16 | 5.16 | 5.16 | --- | 7.01 | 7.01 | 7.01 | --- | --- | --- | 9.53 | 14.02 |
| 3 | 88.9 | 2.11 | 3.05 | --- | --- | --- | 5.49 | 5.49 | 5.49 | --- | 7.62 | 7.62 | 7.62 | --- | --- | --- | 11.13 | 15.24 |
| 3½ | 101.6 | 2.11 | 3.05 | --- | --- | --- | 5.74 | 5.74 | 5.74 | --- | 8.08 | 8.08 | 8.08 | --- | --- | --- | --- | --- |
| 4 | 114.3 | 2.11 | 3.05 | --- | --- | --- | 6.02 | 6.02 | 6.02 | --- | 8.56 | 8.56 | 8.56 | --- | 11.13 | --- | 13.49 | 17.12 |
| 5 | 141.3 | 2.77 | 3.4 | --- | --- | --- | 6.55 | 6.55 | 6.55 | --- | 9.53 | 9.53 | 9.53 | --- | 12.7 | --- | 15.88 | 19.05 |
| 6 | 168.3 | 2.77 | 3.4 | --- | --- | --- | 7.11 | 7.11 | 7.11 | --- | 10.97 | 10.97 | 10.97 | --- | 14.27 | --- | 18.26 | 21.95 |
| 8 | 219.1 | 2.77 | 3.76 | --- | 6.35 | 7.04 | 8.18 | 8.18 | 8.18 | 10.31 | 12.7 | 12.7 | 12.7 | 15.09 | 18.26 | 20.62 | 23.01 | 22.23 |
| 10 | 273.1 | 3.4 | 4.19 | --- | 6.35 | 7.8 | 9.27 | 9.27 | 9.27 | 12.7 | 12.7 | 12.7 | 15.09 | 18.26 | 25.4 | 28.58 | 25.4 | 25.4 |
| 12 | 323.9 | 3.96 | 4.57 | --- | 6.35 | 8.38 | 9.53 | 9.53 | 10.31 | 14.27 | 12.7 | 12.7 | 17.48 | 21.44 | 25.4 | 28.58 | 33.32 | 25.4 |
| 14 | 355.6 | 3.96 | 4.78 | 6.35 | 7.92 | 9.53 | --- | 9.53 | 11.13 | 15.09 | --- | 12.7 | 19.05 | 23.83 | 27.79 | 31.75 | 35.71 | |
| 16 | 406.4 | 4.19 | 4.78 | 6.35 | 7.92 | 9.53 | --- | 9.53 | 12.7 | 16.66 | --- | 12.7 | 21.44 | 26.19 | 30.96 | 36.53 | 40.49 | |
| 18 | 457.2 | 4.19 | 4.78 | 6.35 | 7.92 | 11.13 | --- | 9.53 | 14.27 | 19.05 | --- | 12.7 | 23.83 | 29.36 | 34.93 | 39.67 | 45.24 | |
| 20 | 508 | 4.78 | 5.54 | 6.35 | 9.53 | 12.7 | --- | 9.53 | 15.09 | 20.62 | --- | 12.7 | 26.19 | 32.54 | 38.1 | 44.45 | 50.01 | |
| 22 | 558.8 | 4.78 | 5.54 | 6.35 | 9.53 | 12.7 | --- | 9.53 | --- | 22.23 | --- | 12.7 | 28.58 | 34.93 | 41.28 | 47.63 | 53.98 | |
| 26 | 660.4 | --- | --- | 7.92 | 12.7 | --- | --- | 9.53 | --- | --- | --- | 12.7 | ||||||
| 28 | 711.2 | --- | --- | 7.92 | 12.7 | 15.88 | --- | 9.53 | --- | --- | --- | 12.7 | ||||||
| 30 | 762 | 6.35 | 7.92 | 7.92 | 12.7 | 15.88 | --- | 9.53 | --- | --- | --- | 12.7 | ||||||
| 32 | 812.8 | --- | --- | 7.92 | 12.7 | 15.88 | 17.48 | 9.53 | 17.48 | --- | --- | 12.7 | ||||||
| 34 | 863.6 | --- | --- | 7.92 | 12.7 | 15.88 | 17.48 | 9.53 | 17.48 | --- | --- | 12.7 | ||||||
| 36 | 914.4 | --- | --- | 7.92 | 12.7 | 15.88 | 19.05 | 9.53 | 19.05 | --- | --- | 12.7 | ||||||
| 38 | 965.2 | --- | --- | --- | --- | --- | --- | 9.53 | --- | --- | --- | 12.7 | ||||||
| 40 | 1016 | --- | --- | --- | --- | --- | --- | 9.53 | --- | --- | --- | 12.7 | ||||||
| 42 | 1066.8 | --- | --- | --- | --- | --- | --- | 9.53 | --- | --- | --- | 12.7 | ||||||
| 44 | 1117.6 | --- | --- | --- | --- | --- | --- | 9.53 | --- | --- | --- | 12.7 | ||||||
| 46 | 1168.4 | --- | --- | --- | --- | --- | --- | 9.53 | --- | --- | --- | 12.7 | ||||||
| 48 | 1219.2 | --- | --- | --- | --- | --- | --- | 9.53 | --- | --- | --- | 12.7 |
Dimensions of ASME/ANSI B36.19M Welded and Seamless Wrought Steel Pipe
NPS (inches) | Outside Dia. (mm) | Nominal Wall Thickness (mm) | |||
| Sch5S(1) | Sch10S(1) | Sch40S | Sch80S | ||
| 1/8 | 10.3 | --- | 1.24 | 1.73 | 2.41 |
| 1/4 | 13.7 | --- | 1.65 | 2.24 | 3.02 |
| 3/8 | 17.1 | --- | 1.65 | 2.31 | 3.20 |
| 1/2 | 21.3 | 1.65 | 2.11 | 2.77 | 3.73 |
| 3/4 | 26.7 | 1.65 | 2.11 | 2.87 | 3.91 |
| 1 | 33.4 | 1.65 | 2.77 | 3.38 | 4.55 |
| 1¼ | 42.2 | 1.65 | 2.77 | 3.56 | 4.85 |
| 1½ | 48.3 | 1.65 | 2.77 | 3.68 | 5.08 |
| 2 | 60.3 | 1.65 | 2.77 | 3.91 | 5.54 |
| 2½ | 73 | 2.11 | 3.05 | 5.16 | 7.01 |
| 3 | 88.9 | 2.11 | 3.05 | 5.49 | 7.62 |
| 3½ | 101.6 | 2.11 | 3.05 | 5.74 | 8.08 |
| 4 | 114.3 | 2.11 | 3.05 | 6.02 | 8.56 |
| 5 | 141.3 | 2.77 | 3.4 | 6.55 | 9.53 |
| 6 | 168.3 | 2.77 | 3.4 | 7.11 | 10.97 |
| 8 | 219.1 | 2.77 | 3.76 | 8.18 | 12.70 |
| 10 | 273.1 | 3.40 | 4.19 | 9.27 | 12.70(2) |
| 12 | 323.9 | 3.96 | 4.57 | 9.53(2) | 12.70(2) |
| 14 | 355.6 | 3.96 | 4.78(2) | … | … |
| 16 | 406.4 | 4.19 | 4.78(2) | … | … |
| 18 | 457.2 | 4.19 | 4.78(2) | … | … |
| 20 | 508 | 4.78 | 5.54(2) | … | … |
| 22 | 558.8 | 4.78 | 5.54(2) | … | … |
| 24 | 660.4 | 5.54 | 6.35 | … | … |
| 30 | 762 | 6.35 | 7.92 | … | … |
Notes:
(1)Schedule 5S and 10S wall thicknesses do not permit threading in accordance with ANSI/ASME B1.20.1
(2)These dimensions do not conform to ANSI/ASME B36.1M
Size, Dimensions & Tolerances of Welded Pipe (mm)
| NPS | *t/D | Tolerance, % from Nominal | |
| 1/8"~2.5" | All | +20.0 | -12.5 |
| 3"~18" | ≤5% | +22.5 | -12.5 |
| 3"~18" | >5% | +15.0 | -12.5 |
| ≥20“ | All | +17.5 | -12.5 |
| ≥20“ | ≤5% | +22.5 | -12.5 |
*t: nominal wall thickness; D: ordered outside diameter.
