ERW ASTM 53 Jh Galvanized Tube Round Hollow Tubes Carbon Steel Pipe Tolerance of Outside Diameter
| Standard | Out Diameter | Tolerance of Pipe End | Tolerance of Pipe Body |
| API 5L | 219.1~273.1 | +1.6mm, -0.4mm | ±0.75% |
| 274.0~320 | +2.4mm, -0.8mm | ±0.75% | |
| 323.9~457 | +2.4mm, -0.8mm | ±0.75% | |
| 508 | +2.4mm, -0.8mm | ±0.75% | |
| 559~610 | +2.4mm, -0.8mm | ±0.75% | |
| GB/T 9711-1 ISO 3183-1 | 219.1~273.1 | +1.59mm, -0.4mm | ±0.75% |
| 219.1~273.1 | 2.38mm, -0.79mm | ±0.75% | |
| 219.1~273.1 | 2.38mm, -0.79mm | ±1% | |
| 219.1~273.1 | 2.38mm, -0.79mm | ±1% | |
| GB/T 9711-2 ISO 3183-2 | 219.1~273.1 | ±0.5% | ±0.75% |
| 323.9~355.6 | ±1.6mm | ±0.75% | |
| 406.4~610 | ±1.6mm | ±3.0mm |
Tolerance of Wall Thickness
| Standard | Grade | Out Diameter | Wall Thickness | Tolerance |
| API 5L | / | 219.1~457 | 4~20 | +15%, -12.5% |
| B | 508~610 | 4~20 | +17.5%, -12.5% | |
| X42-X80 | 508~610 | 4~20 | +19.5%, -8% | |
| GB/T 9711-1 ISO 3183-1 | - | 219.1~457 | 4~20 | +15%, -12.5% |
| L245 | 508~610 | 4~20 | +17.5mm, -10% | |
| L290-L555 | 508~610 | 4~20 | +19.5%, -8% | |
| GB/T 9711-2 ISO 3183-2 | - | 219.1~610 | 4~20 | +1.0mm, -0.5mm |
| - | 219.1~610 | 10.1~20 | +10%, -5% |
Chemical Analysis and Mechanical Properties
| Standard | Class | Grade | Chemical Analysis(%) | Mechanical Properties | ||||
| C | Mn | P | S | Tensile Strength(Mpa) | Yield Strength(Mpa) | |||
| API 5L | PSL1 | B | 0.26 | 1.20 | 0.030 | 0.030 | ≥414 | ≥241 |
| X42 | 0.26 | 1.30 | 0.030 | 0.030 | ≥414 | ≥290 | ||
| X46 | 0.26 | 1.40 | 0.030 | 0.030 | ≥434 | ≥317 | ||
| X52 | 0.26 | 1.40 | 0.030 | 0.030 | ≥455 | ≥359 | ||
| X56 | 0.26 | 1.40 | 0.030 | 0.030 | ≥490 | ≥386 | ||
| X60 | 0.26 | 1.40 | 0.030 | 0.030 | ≥517 | ≥414 | ||
| X65 | 0.26 | 1.45 | 0.030 | 0.030 | ≥531 | ≥448 | ||
| X70 | 0.26 | 1.65 | 0.030 | 0.030 | ≥565 | ≥483 | ||
| PSL2 | B | 0.22 | 1.20 | 0.025 | 0.015 | 414-578 | 241-448 | |
| X42 | 0.22 | 1.30 | 0.025 | 0.015 | 414-578 | 290-496 | ||
| X46 | 0.22 | 1.40 | 0.025 | 0.015 | 434-758 | 317-524 | ||
| X52 | 0.22 | 1.40 | 0.025 | 0.015 | 455-758 | 359-531 | ||
| X56 | 0.22 | 1.40 | 0.025 | 0.015 | 490-758 | 386-544 | ||
| X60 | 0.22 | 1.40 | 0.025 | 0.015 | 517-758 | 414-565 | ||
| X65 | 0.22 | 1.45 | 0.025 | 0.015 | 531-758 | 448-600 | ||
| X70 | 0.22 | 1.65 | 0.025 | 0.015 | 565-758 | 483-621 | ||
| X80 | 0.22 | 1.85 | 0.025 | 0.015 | 621-827 | 552-690 | ||
| GB/T 9711-1 ISO 3183-1 | - | L245 | 0.26 | 1.15 | 0.030 | 0.030 | ≥415 | ≥245 |
| - | L290 | 0.28 | 1.25 | 0.030 | 0.030 | ≥415 | ≥290 | |
| - | L320 | 0.30 | 1.25 | 0.030 | 0.030 | ≥435 | ≥320 | |
| - | L360 | 0.30 | 1.25 | 0.030 | 0.030 | ≥460 | ≥360 | |
| - | L390 | 0.26 | 1.35 | 0.030 | 0.030 | ≥490 | ≥390 | |
| - | L415 | 0.26 | 1.35 | 0.030 | 0.030 | ≥520 | ≥415 | |
| - | L450 | 0.26 | 1.40 | 0.030 | 0.030 | ≥535 | ≥450 | |
| - | L485 | 0.23 | 1.60 | 0.030 | 0.030 | ≥570 | ≥485 | |
| - | L555 | 0.18 | 1.80 | 0.030 | 0.030 | ≥625 | ≥555 | |
| GB/T 9711-2 ISO 3183-2 | - | L245MB | 0.16 | 1.50 | 0.025 | 0.020 | ≥415 | 245-440 |
| - | L290MB | 0.16 | 1.50 | 0.025 | 0.020 | ≥415 | 290-440 | |
| - | L360MB | 0.16 | 1.60 | 0.025 | 0.020 | ≥460 | 360-510 | |
| - | L415MB | 0.16 | 1.60 | 0.025 | 0.020 | ≥520 | 415-565 | |
| - | L450MB | 0.16 | 1.60 | 0.025 | 0.020 | ≥535 | 450-570 | |
| - | L485MB | 0.16 | 1.70 | 0.025 | 0.020 | ≥570 | 485-605 | |
| - | L555MB | 0.16 | 1.80 | 0.025 | 0.020 | ≥625 | 555-675 | |
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Why Choose PMC
1.Payment terms: 20% +80% TT, 100% LC at sight, LC 30days, etc.
2.Quality assurance: We are responsible for any complains incurred from our pipe quality. No arguments,but solutions.
3.Certificate of origin: Either from our Singapore base or China to avoid your anti-dumping, if any.
4.Other certificates: API, ISO, CE.
5.Biggest Advantage: We have invested independent raw material mill.
FAQ
1. Are you Manufacturer or trading company?
We are professional manufacturer in steel industry for many years.
We can give you the factory price directly.
2. Could you provide the samples?
Sure,you can contact us directly to discuss the details.
3. What is your MQO?
1tons.
4. Do you have stockist goods?
Yes, we have warehouse in China and Singapore.
You can send me the sizes you need , let me check it for you.
