• Uncompromising quality

  • Uncompromising quality

  • Uncompromising quality

  • Uncompromising quality

  • Uncompromising quality

  • Uncompromising quality

chiusura estiva dal 6 al 24 agosto compresi

AISI 4130 (SAE-AISI 4130)

 

CORRESPONDENCE TO INTERNATIONAL DESIGNATIONS

QUALITY EUROPE GERMANY FRANCE SPAIN G.B. USA
EN DIN W.n. AFNOR UNE B.S. AISI/SAE
AISI 4130 25/30CrMo4   1,7218     708A25 4130

CHEMICAL ANALYSIS

STEEL DESIGNATION CHEMICAL ANALYSIS
SYMBOLIC C Mn Si P
max
S
max
Cr Mo V Al
max
AISI 4130 0,28 ÷ 0,33 0,40 ÷ 0,60 0,15 ÷ 0,35 0,035 0,040 0,60 ÷ 1,10 0,15 ÷ 0,25 - -

MECHANICAL CHARACTERISTICS

STEEL d ≤ 16mm 16mm < d ≤ 40mm 40mm < d ≤ 100mm 100mm < d ≤ 160mm
SYMBOLIC NUMERIC Re min Rm A min KCU min Re min Rm A min KCU min Re min Rm A min KCU min Re min Rm A min KCU min
N/mm2 % J N/mm2 % J N/mm2 % J N/mm2 % J
AISI 4130 1,7218 685 880 ÷
1080
12 32,5 635 830 ÷
1030
12 32,5 520 740 ÷
880
13 30 420 690 ÷
830
15 30

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 4130 1,7218 max 56 55 53 51 49 47 45 42 39

37

35 33 32
min 46 45 42 38 35 30 28 26 24 23 21 20 -

USUALLY AVAILABLE EX STOCK

M.T. COLORATION QUALITY HEAT TREATMENT SURFACE DIAMETER (mm)
  AISI 4130 Quenched and tempered rolled 80-300

 

 
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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.

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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.

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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.

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