BS 1.4104
PREMIUM 1.4104



Technical datasheet (PDF) Technical datasheet
€co-Präz® 300 €co-Präz
500 mm  
Steel Guide Information in the STEEL GUIDE
Alternatives in the STEEL GUIDE
Precision round steel without machining allowance PRS
  1,000 mm
Standard values to PREMIUM HSS PM 23 Standard values
Chemical designation: X14CrMoS17
Working hardness: approx. 26 HRC (approx. on delivery)
hardness (deliv. cond.): max. 270 HB

Chemical composition

C Si Mn P S Cr Mo
0,10 0 0 0 0,15 15,5 0,20
- - - - - - -
0,17 1,0 1,5 0,04 0,35 17,5 0,60
Technical properties Technical properties
Martensitic chromium steel with good mechanical properties (tempered condition). The addition of sulphur makes it ideal for machining. It can also be polished very well and is conditionally acid resistant but difficult to weld.
Applications Applications
The High Speed Steel BS 1.4104 is suitable for the following applications: Automotive industry, electronic equipment, power engineering, mechanical engineering, connecting elements, architecture and decoration, construction parts for automatic machining in water and steam such as screws, spindles, axes, bushes, etc.

The Corrosion Resistant Steel BS 1.4104 is available as €co-Präz® and as Precision round steel without machining allowance.

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