American Petroleum Institute API (American Petroleum Institute) for short, 5L refers to the API standard API Spec 5L "line pipe", X70 refers to the steel grade, divided into PSL1 and PSL2, the required minimum yield strength 70300psi, The minimum ultimate tensile strength of 82700psi.
API X70 steel pipe application for the oil and gas industry, oxygen, water, oil pipes.
Sunny Steel is specialized in supplying API 5L steel pipe in X70.
For more information of API 5L X70 steel pipe, please check them in following:
| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Nb(%) |
| ≤0.16 | ≤0.45 | ≤1.70 | ≤0.020 | ≤0.020 | ≤0.06 |
| Tensile strength (Mpa) | Yield strength (Mpa) | Yield Ratio | Elongation (%) |
| 485-605 | ≥0.90 | 18 | ≥40 |
API 5L X70 steel pipe Surface： Black painted,PE coated,Galvanized,color coated,etc
API 5L X70 steel pipe Delivery States：Heat treatment facilities for hot-rolled,controlled rolling, normalizing, annealing, tempering, quenching, normalizing plus tempering, quenching and tempering, and other delivery states are available as customers’ requirement.
API 5L X70 steel pipe Tests：HIC, SSC, SPWHT, Macrostructure, detection of defects,Hardness and DWTT test and en10204/3.1 certificate are also available.
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