Austenitic stainless steel oil pipe for acidic corrosion oil-gas well and processing method thereof
The invention relates to the technical field of petroleum and natural gas pipes, in particular to an austenitic stainless steel oil pipe for an acid corrosion oil-gas well and a machining method. The invention relates to an austenitic stainless steel oil pipe for an acidic corrosion oil-gas well. Th...
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| creator | REN YONGFENG TIAN YONGQIANG LI YUANZHENG GAO MENGZHAO YUAN QINGYING WANG QIANG ZHANG XIAOHUA LI CHAO ZHOU XINYI TANG JIARUI HE SHILEI ZHAO YONG YU HAN CHAN HO MING |
| description | The invention relates to the technical field of petroleum and natural gas pipes, in particular to an austenitic stainless steel oil pipe for an acid corrosion oil-gas well and a machining method. The invention relates to an austenitic stainless steel oil pipe for an acidic corrosion oil-gas well. The austenitic stainless steel oil pipe comprises the following chemical element components in percentage by weight: less than or equal to 0.03% of C, 0.15%-0.3% of Si, less than or equal to 0.010% of P, less than or equal to 0.005% of S, 20.0%-24.0% of Cr, 14.0%-20% of Mn, 5.0%-10.0% of Ni, 3.0%-5.0% of Mo, 0.25%-0.50% of Cu, 0.4%-0.6% of N, less than or equal to 0.1% of V, less than or equal to 0.1% of Nb, 0.001%-0.003% of Ca, 0.01%-0.03% of Re and the balance of Fe and inevitable impurities. The oil pipe meets the mechanical property requirement of a 110 ksi steel-grade oil pipe, the yield strength is 760-880 MPa, the tensile strength is 900-1050 MPa, the ductility is larger than or equal to 40%, the full-size tra |
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The invention relates to an austenitic stainless steel oil pipe for an acidic corrosion oil-gas well. The austenitic stainless steel oil pipe comprises the following chemical element components in percentage by weight: less than or equal to 0.03% of C, 0.15%-0.3% of Si, less than or equal to 0.010% of P, less than or equal to 0.005% of S, 20.0%-24.0% of Cr, 14.0%-20% of Mn, 5.0%-10.0% of Ni, 3.0%-5.0% of Mo, 0.25%-0.50% of Cu, 0.4%-0.6% of N, less than or equal to 0.1% of V, less than or equal to 0.1% of Nb, 0.001%-0.003% of Ca, 0.01%-0.03% of Re and the balance of Fe and inevitable impurities. 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The invention relates to an austenitic stainless steel oil pipe for an acidic corrosion oil-gas well. The austenitic stainless steel oil pipe comprises the following chemical element components in percentage by weight: less than or equal to 0.03% of C, 0.15%-0.3% of Si, less than or equal to 0.010% of P, less than or equal to 0.005% of S, 20.0%-24.0% of Cr, 14.0%-20% of Mn, 5.0%-10.0% of Ni, 3.0%-5.0% of Mo, 0.25%-0.50% of Cu, 0.4%-0.6% of N, less than or equal to 0.1% of V, less than or equal to 0.1% of Nb, 0.001%-0.003% of Ca, 0.01%-0.03% of Re and the balance of Fe and inevitable impurities. 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The invention relates to an austenitic stainless steel oil pipe for an acidic corrosion oil-gas well. The austenitic stainless steel oil pipe comprises the following chemical element components in percentage by weight: less than or equal to 0.03% of C, 0.15%-0.3% of Si, less than or equal to 0.010% of P, less than or equal to 0.005% of S, 20.0%-24.0% of Cr, 14.0%-20% of Mn, 5.0%-10.0% of Ni, 3.0%-5.0% of Mo, 0.25%-0.50% of Cu, 0.4%-0.6% of N, less than or equal to 0.1% of V, less than or equal to 0.1% of Nb, 0.001%-0.003% of Ca, 0.01%-0.03% of Re and the balance of Fe and inevitable impurities. The oil pipe meets the mechanical property requirement of a 110 ksi steel-grade oil pipe, the yield strength is 760-880 MPa, the tensile strength is 900-1050 MPa, the ductility is larger than or equal to 40%, the full-size tra</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ALLOYS AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL CHEMISTRY FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | Austenitic stainless steel oil pipe for acidic corrosion oil-gas well and processing method thereof |
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