CK 45 [C45E o. C45W] 1.1191 o. 1.1730

1. Chemical composition

C Si Mn P S Cr Ni Mo Other elements
0,42-0,5 0,4 0,5-0,8 0,035 0,035 0,4 0,4 0,1

2. mechanical properties

Condition
Nominal thickness Tensile strength Plug-in limit Ultimate elongation Rigor
in mm Rm in MPa Rp0,2 in MPa in % (min.) HBS
over up to A50 A
polished 5 150 590 735 355 ≥14 175-210
Physical properties General properties
(Guide values for 20° C)
Density of g/cm3 7,85 Special annealing
Thermal conductivity W/(mK) 35-45 Workability 2
Modulus of elasticity kN/mm2 210 Dimensional stability 3
Therm. linear expansion- Weldability 4
Coeffizient 10-6/K 11-14 Corrosion resistance 5
Acid resistance 5
Standard tolerances Surface treatment
Surface quality Ra 1,6 Hardening 3
Thickness tolerance mm +0,3/+0,35 Nickel-plating 2
Length and width tolerance mm -0/+2
Parallelism mm <0,03
Flatness mm <0,1

3. Type:
specially stress-relieved annealed, thickness ground, length and width sawn or plasma-cut
Against surcharge: Outside contour milled with tolerance of +/- 0.2 mm

4. Main application / Special features:
Base plate, table plate, straightening plate, measuring application, fixtures

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