1.8550 Steel

Steel name: 1.8550
Diagram No.: 1028
DIN designation: 34CrAlNi7
Mat.No. (Wr.Nr.) designation: 1.8550
Chemical composition in weight %: 0.34% C, 0.40% Si, 0.55% Mn, 1.65% Cr, 0.20% Mo, 1.00% Ni, 1.00% Al
Steel group: Nitriding steel
Applications: Structural parts with high surface hardness - piston rods, extruders, cylinders, shafts, straightening tools, measuring tools, etc.
Comment: No data
Reference: Not shown in this demo version.

Heat Treatment
Hardening: 850-900oC/oil
Tempering: See the diagram
Note: Diagram: Pre-treatment 920oC, 20 min/air, hardening 900oC, 30 min/oil, sample size: square 15 mm

Diagram Tempering Temperature - Mechanical Properties

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