Drawn Steel

Roled bars and wire rod drawn into round, hexagonal and square bars and round drawn wire

Technical parameters

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PEELED, GROUND and CUT BARS

Peeled, ground and cut bars – diameters, lehgths and tolerances

Technical parameters

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Type	Diameter	Length	Tolerance
Peeled round steel (+SH)	9 – 290 mm	3 – 8 m	h9, h11
Ground round steel (+SL)*	9 – 50 mm	2.5 – 7.0 m	h6, h7, h8, h9
Cut steel (+C, +SH, +SL)	8 – 50 mm	0.04 – 2.0 m	h9, h10, h11
* application of protective rings from the diameter of 18 mm

Heat treatment changes the internal structure of steel while keeping its chemical composition.

Technical parameters

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Heat treatment type	Dimensions (mm)
Spheroidizing	ø 5.5 - 20
Soft annealing
Recrystalling annealing
Soft annealing	70 × 70 - 200 × 200 ø 16 - 300
Soft annealing with guaranteed microstructure
Stress relief annealing
Dissolving annealing (for austenitic steels only)
Normalizing
Annealing
Annealing at range of hardness and strength (e.g. BF-annealing)
Annealing to cutability
Stabilizing annealing	ø 16 - 205
Normalizing and tempering	ø 16 - 300
Ishothermal annealing
Normalizing and tempering to the ferrite-pearlite structure (BG-annealing)
Heat treatment to lower strength
Heat treatment to medium strength
Heat treatment not classifiable 0 to 8
Heat treatment and stress relief annealing
Heat treatment to the mechanic values differing from ČSN standards
Heat treatment to condition referred to in ČSN as mechanical conditions according to dimensions