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1.7035

41Cr4

The 1.7035 (41Cr4) is a [[glossary:verguetungsstahl|quenched and tempered steel]]: by [[glossary:haerten|hardening]] plus [[glossary:anlassen|tempering]] it reaches high strength with good [[glossary:zaehigkeit|toughness]] — the material for shafts, gears, and highly stressed parts. When welding, the [[glossary:waermeeinflusstaue|heat-affected zone]] hardens. Typical analysis: 0.41 % C, 1.05 % Cr, 0.7 % Mn, 0.25 % Si. For higher [[glossary:verschleissschutz|wear protection]], three hard-facing options are available: S Fe 1 (martensitic, approx. 300–400 HB, machinable), S Fe 2 (wear-resistant and tough, approx. 50–55 HRC, conditionally machinable) and S Fe 15 ([[glossary:karbid|carbide]]-rich, approx. 55–65+ HRC, not machinable).

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