FIELD: metallurgy; structural welding steels used for manufacture of side members for heavy-duty automobiles working in Extreme North.
SUBSTANCE: proposed low-alloy steel contains the following components, mass-%: carbon, 0.08-0.15; silicon, 0.1-0.6; manganese, 1.0-1.8; chromium, 0.3-0.9; copper 0.1-0.5; vanadium, 0.02-0.1;maluminum, 0.01-0.06; nickel, 0.7-1.5; nitrogen, 0.002-0.015; calcium, 0.002-0/030; niobium, 0.01-0.05; titanium, 0.004-0.035; sulfur, no more than 0.010; phosphorus, no more than 0.020; the remainder being iron.
EFFECT: increase of impact viscosity to 44 J/cm2 at temperature of 70°C at retained weldability.
3 tbl
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RU2495149C1 |
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METHOD OF HIGH-STRENGTH THICK-SHEET STEEL PRODUCTION | 2013 |
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RU2533244C1 |
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RU2375469C1 |
HIGH-STRENGTH COLD-RESISTANT BEINITE STEEL | 2014 |
|
RU2555306C1 |
STEEL | 1995 |
|
RU2075534C1 |
Authors
Dates
2005-07-10—Published
2004-05-17—Filed