Hardenable steel with high hardness to automotive, aerospace and machinery: shafts, gears, connecting rods, crankshafts.
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Soldering: Good
Folded: Not admitted
Transformation: Excellent
Mechanization: Excellent
General specifications*
C 0,37-0,43. Mn 0,60-0,90. Si 0,15-0,40. P ≤ 0,025. S ≤ 0,035. Cr 0,85-1,15. Mo 0,15/0,26.
Rm900/1100 N/mm2. ReH700 N/mm2. A 10 %. Dureza Brinell300/344Hb.
Typical applications
Typically used for parts, treated, requiring a higher hardness. They are achieved by oil quenching until 45/58HRC and 160/200Kg/m. Some applications are for automotive industry and aeronautics: gear assembly, connecting rods, pieces that require induction hardening to get high requests.
Soldering/Folding
Soldering steel to appropriate soldering process. It requires a controlled preheating and cooling, considering warm reduction tensions treatments after soldering.
Mechanization
Good. If accurate oxyfuel stabilizer or annealed after the torch cutting of parts.
Approximate equivalences
CENIM: F-1252/40 Cr Mo 4
AFNOR: 42CD4
SAE/AISI: 4140
BS: En 19
UNI: 41 Cr Mo 4
Thermal processes
Treatment | Temperature | Refrigeration |
---|---|---|
Preheating | 680 - 720 ºC | Oven |
Normalize | 890 - 870 ºC | Air |
Warm up | 890 - 1000 ºC | Oil |
Drawn Stainless | 500 - 650 ºC | Air |
* The specifications are illustrative. For each supply we offer a certificate with the datum of the shipment delivered.
We cut your steel plates starting from your plans with absolute accuracy. An added service which allows collecting the product ready to be used.
Wide stock in steel plates with a thickness ranging from 1.5mm to 400mm and different types. Ask us for more information.
Wide range of thicknesses, from 1mm to 80mm thickness. Oxcut custom made from 8mm to more than 500mm thick