• Uncompromising quality

  • Uncompromising quality

  • Uncompromising quality

  • Uncompromising quality

  • Uncompromising quality

  • Uncompromising quality

chiusura estiva dal 6 al 24 agosto compresi

F12 (ASTM A182)

 

F12 (13CrMo4-5) IS A MILD STEEL WITH CHROME, VERY TOUGH, IT CAN BE CASE-HARDENED, IT CAN BE WELDED AND IT IS RESISTANT TO CREEP 550°C. IT IS USED FOR THE FABRICATION OF TUBES, BOILERS AND SUPERHEATERS OR FOR THE TRANSPORTATION OF OVERHEATED STEAM WITH A HIGH PRESSURE. IT IS EASILY MACHINABLE, EVEN AT THE RAW STATE OF ROLLING OR NORMALISED.

CORRESPONDENCE TO INTERNATIONAL DESIGNATIONS

QUALITY EUROPE GERMANY FRANCE SPAIN G.B. USA
EN DIN W.n. AFNOR UNE B.S. ASTM
F12 13CrMo4-5 ~ 13CrMo4-4 1,7335 ~ 10CD6 F2631 621 ASTM A182 F12
ASME SA 182

CHEMICAL ANALYSIS

C Mn Si P
max
S
max
Cr Mo
0,10 ÷ 0,20 0,30 ÷ 0,80 0,10 ÷ 0,60 0,040 0,040 0,80 ÷ 1,25 0,44 ÷ 0,65

CONCENTRATION LIMITS OF THE ELEMENTS THAT ARE NOT INDICATED IN THE TABLE CAN BE DEDUCED IN THE EN 10020 REGULATION.

MECHANICAL CHARACTERISTICS

STEEL NORMALISATION TEMPERATURE 900°C MIN – TEMPERING TEMPERATURE 620°C MIN
SYMBOLIC Re min Rm min  A min Z min Durezza HB
N/mm2 % % max
F12 275 485 20 30 143÷207

USUALLY AVAILABLE EX STOCK

M.T. COLORATION QUALITY HEAT TREATMENT SURFACE DIAMETER (mm)
F12 Normalised and stress relieved rolled / forged turned 20-450
F12 Annealed rolled 20-220

 

 
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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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