Low-cost austenitic stainless steel with excellent corrosion resistance

Low-cost austenitic stainless steel with excellent corrosion resistance

The invention discloses low-cost austenitic stainless steel with excellent corrosion resistance, which comprises the following chemical elements in mass percentage: smaller than or equal to 0.04% of C, 16.00-19.00% of Cr, 8.00-10.00% of Ni, 0.50-1.50% of Mo, 2.10-4.50% of Cu, 0.02-0.08% of N, smalle...

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Hauptverfasser: CUI PEIYAO, XU HAIGANG, LUO MING, HUAI KAIWEN
Format: Patent
Sprache:chi ; eng
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ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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creator CUI PEIYAO
XU HAIGANG
LUO MING
HUAI KAIWEN
description The invention discloses low-cost austenitic stainless steel with excellent corrosion resistance, which comprises the following chemical elements in mass percentage: smaller than or equal to 0.04% of C, 16.00-19.00% of Cr, 8.00-10.00% of Ni, 0.50-1.50% of Mo, 2.10-4.50% of Cu, 0.02-0.08% of N, smaller than or equal to 0.80% of Mn, 1.30-2.50% of Si, smaller than or equal to 0.04% of P, smaller thanor equal to 0.005% of S, 0.0010-0.0040% of B and the balance of Fe and other inevitable impurities, and the ratio of Si to Mn is 2.5 to 4. The corrosion resistance and mechanical properties of the austenitic stainless steel are far better than those of 304L or approach or reach the level of 316L austenitic stainless steel, but the cost is lowered by 20-30% as compared with that of the 316L austenitic stainless steel.
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subjects ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
title Low-cost austenitic stainless steel with excellent corrosion resistance
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