FIELD: metallurgy.
SUBSTANCE: invention relates to the production of a seamless pipe product, and can be used in oil and gas wells. Oil and gas field seamless pipe product in the form of a tube or pipe made of high-strength stainless steel has the composition, wt%: C 0.05 or less, Si 0.5 or less, Mn from 0.15 to 1.0, P 0.030 or less, S 0.005 or less, Cr is from 15.5 to 17.5, Ni from 3.0 to 6.0, Mo from 1.5 to 5.0, Cu 4.0 or less, W from 0.1 to 2.5, N 0.15 or less, and the balance consists of Fe and random impurities.
EFFECT: pipe product is characterised by high strength and corrosion resistance to carbon dioxide.
12 cl, 2 tbl
| Title | Year | Author | Number |
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