Reinforcing steel for lifting, fastening, Clamping and / or binders and connecting elements, components for lifting technique, fasteners, clips and / or tying, Connectors and manufacturing processes

摘要

1. reinforcing steel for lifting, fastening, clamping and / or binding agents with the quality level 8 and above, has the following chemical composition, expressed in wt.%: Carbon: 0,17-0,25% Ni: 0,00-0 25% molybdenum: 0,15-0,60% Nb: 0.01-0.08% and / or Ti: 0.005-0.1%, and / or vanadium ≤0,16% aluminum: 0-0,050 % chromium: 0,01-0,50% Si: 0.1-0.3% Mn: 1.40-1.60% phosphorus 0.015% Sulfur: 0.015% copper: 0.20% nitrogen: 0,006-0,014% balance being iron and unavoidable primesey.2. Steel according to Claim. 1, characterized in that the content of nickel in weight percentages less than 0.15% .3. Steel according to Claim. 1, characterized in that the carbon content in weight percent is from 0.20 to 0.23% .4. Steel according to Claim. 1, characterized in that the molybdenum content in weight percent is from 0.30 to 0.50% .5. Steel according to Claim. 1, characterized in that the niobium content in percentage by weight is from 0.01 to 0.06% .6. Steel according to Claim. 1, characterized in that the aluminum content in percent by weight of at least 0,020 and / or no more than 0.040% .7. Steel according to Claim. 1, characterized in that the chromium content in weight percent is from 0.20 to 0.40% .8. Steel according to Claim. 1, characterized in that the silicon content in weight percent is from 0.1 to 0.25% .9. Steel according to Claim. 1, characterized in that the doubling of the amount (in weight percent) nickel, about 1.6 times larger titanium content (in weight percent) and / or single vanadium content (weight percentage) is not more than about 0.16% of vesu.10. The connecting element, in particular a bolt or a chain link for lifting, fixing, clamping and / or connecting means, characterized in that it is at least partially made of steel according to any one of claims. 1-9.11. Connective