 
| 
 Standard | 
 Class | 
 Grade | Chemical Analysis(%) | Mechanical Prop | ||||
| 
 C | 
 Mn | 
 P | 
 S | Tensile Strength (Mpa) | Yield Strength (Mpa) | |||
| 
 
 
 
 
 
 
 
 
 API 5L | 
 
 
 
 PSL1 | B | 0.26 | 1.20 | 0.030 | 0.030 | ≥415 | ≥245 | 
| X42 | 0.26 | 1.30 | 0.030 | 0.030 | ≥415 | ≥290 | ||
| X46 | 0.26 | 1.40 | 0.030 | 0.030 | ≥435 | ≥320 | ||
| X52 | 0.26 | 1.40 | 0.030 | 0.030 | ≥460 | ≥360 | ||
| X56 | 0.26 | 1.40 | 0.030 | 0.030 | ≥490 | ≥390 | ||
| X60 | 0.26 | 1.40 | 0.030 | 0.030 | ≥520 | ≥415 | ||
| X65 | 0.26 | 1.45 | 0.030 | 0.030 | ≥535 | ≥450 | ||
| X70 | 0.26 | 1.65 | 0.030 | 0.030 | ≥570 | ≥485 | ||
| 
 
 
 
 
 PSL2 | B | 0.22 | 1.20 | 0.025 | 0.015 | 415-655 | 245-450 | |
| X42 | 0.22 | 1.30 | 0.025 | 0.015 | 415-655 | 290-495 | ||
| X46 | 0.22 | 1.40 | 0.025 | 0.015 | 435-655 | 320-525 | ||
| X52 | 0.22 | 1.40 | 0.025 | 0.015 | 460-760 | 360-530 | ||
| X56 | 0.22 | 1.40 | 0.025 | 0.015 | 490-760 | 390-545 | ||
| X60 | 0.22 | 1.40 | 0.025 | 0.015 | 520-760 | 415-565 | ||
| X65 | 0.22 | 1.45 | 0.025 | 0.015 | 535-760 | 450-600 | ||
| X70 | 0.22 | 1.65 | 0.025 | 0.015 | 570-760 | 485-635 | ||
| X80 | 0.22 | 1.85 | 0.025 | 0.015 | 625-825 | 555-705 | ||
| API 5L / ASTM A53 Carbon Welded Steel Pipe | API 5L / ASTM A53 ERW Steel Pipe | 
| seam welded tube manufacturer | API 5L / ASTM A53 butt welded pipe | 
| high frequency welded pipe supplier | galvanized pipe welding | 
| API 5L / ASTM A53 erw efw steel pipes | seam welded pipe | 
| electric welded pipe suppliers in China | API 5L / ASTM A53 gr.b erw welded pipe manufacturer | 
| Api 5l cs erw pipe suppliers in Korea | astm a53 grade b erw pipe | 
| A53 erw black pipe suppliers | electric resistance welded pipe | 
| A53 pipe welded sch 40 | erw steel tube | 
| straight seam welded pipe | erw steel pipe | 
| helical welded pipe | welding tube steel | 
| A53 gr.b rolled and welded pipe manufacturer | welding black pipe manufacturer | 
| carbon steel welded pipe | seamed pipe | 
| erw line pipe supplier | A53 erw pipe manufacturer manufacturer | 
| erw carbon steel pipe supplier | erw steel pipes | 
| hfw steel pipe supplier | erw welding steel pipes | 
| hfw pipes manufacturer | erw tube | 
| longitudinal welded pipe suppliers | erw pipe | 
