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SAE 4340/DIN 1.6582 Alloy Steel


 

Special Alloy Steel

Equivalent grades: DIN 1.6582/34CrNiMo6, AISI 4340/SAE 4340


Chemical composition:

C

Si

Mn

Cr

Mo

Ni

P

S

0.38-0.43

0.15-0.35

0.60-0.80

0.70-0.90

0.20-0.30

1.65-2.00

0.03max

  Available sizes: Round dia 16mm to 600mm; flat 16 - 400mm x 200 – 800mm


  Manufacture: EF/ESR, hot forged/ hot rolled


 Surface condition: black/grinded/rough turned/milled


 Delivery condition: annealed/quenched and tempered


 Hardness: annealed, 248HBS max/ after Q+T, hardness requested by buyer


  Heat Treatment hardness curve:

  Characteristics: special alloy steel, supplied in quenched and tempered conditions. High strength and tenacity, good hardenability.


  Applications: heavily loaded parts for mechanical engineering and motor construction.


 (All technical information is for reference only. )
 

 




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