Production line bright bar

Applications

Bars produced by Stahlrump are used in many special technical applications; these include the following specialist product sectors:

  • Axles and shafts
  • Locking pins
  • Drill bits, cutters, files, hand tools
  • Stamps for extremely demanding applications
  • Precision turned parts of all types
  • Products for medical and dental devices

Size range:

2.00 to 6.50 mm

Bar length:

From 1.5 x wire diameter and upwards at customer’s request

Length tolerance:

Up to +/- 0.04 mm possible

Microstructure:

According to Stahl-Eisen-Prüfblatt SEP 1520 and DIN EN ISO 643

Conditions:

  • + A (annealed)
  • + AC (annealed and drawn)
  • + C (drawn)

Tolerances:

  • Standard tolerances to DIN EN 10278 (ISO 286-2 from h9)
  • Special tolerances by agreement

Surface finishes:

  • Standard surface finishes to DIN EN 10277-1 up to and including class 4
  • Special surface finishes possible by agreement

Tensile strength:

max. 900 MPa at 6.50 mm diameter

On request:

  • Eddy current crack detection

Delivery forms:

  • Wooden cases
  • Small load carrier systems