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standard | model number | tensile strength (MPa) | yield strength (MPa) | durometer | |||
API SPEC 5CT | J55 | ≥517 | 379~552 | ||||
K55 | ≥517 | ≥655 | |||||
N80 | ≥689 | 552~758 | |||||
L80(13Cr) | ≥655 | 552~655 | ≤241HB | ||||
P110 | ≥862 | 758~965 | |||||
MOQ | 1 Tons | ||||||
Payment terms | L/C at sight or T/T (30% as deposit) | ||||||
Packing | Export standard package or as customers' request | ||||||
Delivery time | Usually 7-15 dyas, or upon negotiation | ||||||
Price terms | FOB,CRF,CIF,EXW all acceptable | ||||||
Samples | Free samples are provided but the fright is borne by the buyer | ||||||
Grade | Type | Total elongation under load (%) | Yield strength (min)Mpa | Yield strength (max)Mpa | Tensile strength min Mpa | Hardness Max (HRC) | Hardness Max (HBW) |
J55 | - | 0.5 | 379 | 552 | 517 | - | - |
K55 | - | 0.5 | 379 | 552 | 655 | - | - |
N80 | 1 | 0.5 | 552 | 758 | 689 | - | - |
N80 | Q | 0.5 | 552 | 758 | 689 | - | - |
L80 | 1 | 0.5 | 552 | 655 | 655 | 23 | 241 |
L80 | 9Cr | 0.5 | 552 | 655 | 655 | 23 | 241 |
L80 | 13Cr | 0.5 | 552 | 655 | 655 | 23 | 241 |
C90 | - | 0.5 | 621 | 724 | 689 | 25.4 | 255 |
C95 | - | 0.5 | 655 | 758 | 724 | - | - |
T95 | - | 0.5 | 655 | 758 | 724 | 25.4 | 255 |
P110 | - | 0.6 | 758 | 965 | 862 | - | - |
Q125 | All | 0.65 | 862 | 1034 | 931 | - | - |






















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