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Lowering tension

In our selected range you can find the right material for virtually any application.

Franz Kohler
Head of Product Division

1.0577 Structural steel

Designation

DIN:S 355 J2 (St 52-3)
AFNOR:A 52 FP
UNI:-
AISI:A738

Chemical composition:

C≤ 0.22
Si≤ 0.55
Mn≤ 1.60

Strength: 

≈ 550 N/mm²

Thermal conductivity at 20 °C:

40 W/m K


Character:

unalloyed structural steel with good weldability

Application:

for common applications in die, mold, and jigs and fixtures construction


Treatment by

Welding:
very good weldability due to its low carbon content

not usual:

Polishing, etching, EDM, nitriding, hard chroming

 


Heat treatment:

Soft annealing:
 650 to 700 °C for about 2 to 5 hours
 slow controlled cooling of 10 to 20 °C per hour to about 600 °C;
 further cooling in air, max. 180 HB

 


Technical tip
  • If no welding is required, we recommend 1.1730 ⇒ better machinability in spite of higher strength

Available in the web shop as:

 N-Standard bars

Mold making Die making

 NV-Square bars

Mold making Die making

Data sheet 1.0577

Open PDF

Material grades brochure

Material grades brochure

Material grades poster

Material grades poster

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