




Standard | Grade | Tensile strengthMPa | Yield strengthMPa | Hardness |
API SPEC 5CT | J55 | ≥517 | 379552 | |
K55 | ≥655 | 379552 | ||
N80 | ≥689 | 552758 | ||
L80(13Cr) | ≥655 | 552655 | ≤241HB | |
P110 | ≥862 | 758965 |







A: We are a factory and China's Top 10 pipe manufacturer.
Q2: How about your MOQ( Minimum Order Quantity)?
A: We have stock of common sizes at hand, so even a few ton is accepted.
Q3: What does your factory do regarding quality control?
A: From material to products, we inspect each process to keep good quality.
Q4: What methods of payment do you accept?
A: After you confirm our PI (Proforma Invoice), we will request you to pay. We accept T/T, L/C.