1.4418 Stainless Steel

1.4418 grade stainless steel is a very popular stainless steel grade in Europe and it is also getting more popular also in our country Turkey. 1.4418 grade material has a good corrosion resistance and many people can compare this grade with 630 (1.4542) grade stainless steel. 1.4418 comes to Bircelik as QT900 (Quenched and Tempered 900) so the minimum tensile strenght is 900 MPA. The mechanical properties of this material is very good and also surface hardness is about 30 HRC, so most of our customers do not make a heat threatment. But if necessary, a second heat threatment can be applied to the material. If this grade is to much for customer needs, then a cheaper grade could be choosen which is 431 (1.4057) QT800.

 

 

Grade Properties

General Properties

Stars

Corrosion Resistance:

Mechanical Properties:

Forginability:

Weldinability:

Machinability:

 

 

1.4418 Grade Material Stock List

Material Shape Min and Max Diameter (mm)
Round Between 12mm to 160mm

 

 

Chemical Composition

Grade C Mn P S Si Cr Ni Mo N
1.4418 0.06max

1.5max

0.040max

0.015max

0.7max

  15.0-17.0

4.0-
6.0

0.8-1.5

0.02 max

 

 

Links About 1.4418

 

UGI4418 - UGITECH