• Uncompromising quality

  • Uncompromising quality

  • Uncompromising quality

  • Uncompromising quality

  • Uncompromising quality

  • Uncompromising quality

chiusura estiva dal 6 al 24 agosto compresi

AISI 4145 (SAE-AISI 4145)

 

CORRESPONDENCE TO INTERNATIONAL DESIGNATIONS

QUALITY EUROPE GERMANY FRANCE SPAIN G.B. USA
EN DIN W.n. AFNOR UNE B.S. AISI/SAE
AISI 4145 45CrMo4~           4145

CHEMICAL ANALYSIS

STEEL DESIGNATION CHEMICAL COMPOSITION
SYMBOLIC C Mn Si
max
P
max
S Cr Mo V Al
max
AISI 4145 0,38 ÷ 0,45 0,60 ÷ 0,90 0,40 0,025 0,020 ÷ 0,040 0,90 ÷ 1,20 0,15 ÷ 0,30 - -

MECHANICAL CHARACTERISTICS

STEEL 80mm < d ≤ 175mm 175mm < d ≤ 300mm
SYMBOLIC NUMERIC Re min Rm A min Re min Rm A min
N/mm2 % N/mm2 %
AISI 4145   758 965 13 689 931 13

JOMINY HARDENABILITY

STEEL DESIGNATION RANGE LIMITS HRC HARDNESS MEASURED FROM THE QUENCHED END OF THE TEST TUBE (MM)
SYMBOLIC NUMERIC 1,5 3 5 7 9 11 13 15 20 25 30 35 40
AISI 4145   max 61 61 61 60 60 59 59 58 56

53

51 48 47
min 56 56 55 54 54 48 46 44 41 39 38 36 36

USUALLY AVAILABLE EX STOCK

M.T. COLORATION QUALITY HEAT TREATMENT SURFACE DIAMETER (mm)
  AISI 4145 Quenched and tempered rolled 80-300

 

 
Download technical sheet

Steels

Our steel always comes from the same European steelworks, which guarantee a continuity for what concerns quality. The constant quality of the supplies allows to have repetitive parameters in mechanical processing and a greater control over deformations during heat treatment.

View more

Machining

Precise cuttings of small and big series are guaranteed by the employement of latest generation automatic saws that were projected and realized in order to guarantee precision standards required by customers, reducing processing wastage.

View more

Quality

The certification and introduction of the Quality System management allowed M.T.Acciai to improve not only its efficiency, but also the quality that is offered, in order to better meet our customers’ needs.

View more