| 摘要 |
<p>FIELD: metallurgy. ^ SUBSTANCE: steel contains components at following ratio, wt %: carbon 0.06Ç0.09, manganese 1.30Ç1.80, silicon 0.20Ç0.40, phosphorus to 0.012, sulphur to 0.005, chromium to 0.30, nickel 0.65Ç0.85, copper to 0.20, molybdenum 0.2Ç0.45, titanium to 0.04, aluminium to 0.05, vanadium 0.04Ç0.08, calcium 0.0001Ç0.005, nitrogen to 0.010, iron - the rest at compliance to following ratios: [C]+[Mn]+[Mo]ëñ1.95 and [V]/[N]ëñ6.5. ^ EFFECT: raised strength and plasticity of welding seam. ^ 1 cl</p> |
