Brand8509

Al-alloyed nitriding steel

SIQUAL 8509 is a high-performance Al-alloyed nitriding steel, ideal for large structural components that require exceptional surface hardness, including piston rods, extruders, cylinders, shafts, straightening tools, and measuring instruments.

Manufacture

SIQUAL 8509 is made by SSI Metal Ravne.

Standards & certificates

Material number

1.8509

Ravne

PO733

DIN

41CrAlMo7

EN

41CrAlMo7-10

Properties

Hardness[HRC]:248
Density[g/cm³]:7.73
Elasticity[10³ x N/mm²]:210

Chemical composition

In weight %

C0.41
Si0.40
Mn0.65
Cr1.65
Mo0.33
Al1.00

Product forms

Flat sections

rolled
Wup to 850 mm
Tup to 450 mm

Forgings

forged
Lup to 10000 mm
up to 1000 mm

Round bars

forged
Lup to 6000 mm
up to 1050 mm

Continuous Cooling Transformation (CCT)

Tempering

Hardening

Harden from a temperature of 870 - 930°C followed by oil/polymer or water quenching.

Forging

Hot forming temperature: 1050 - 850°C.

Disclaimer

The information and data presented herein are typical or average values. The typical properties of the materials described are provided solely to assist readers in making their own evaluations and decisions. These values are not guaranteed.
Applications specifically suggested for the materials described are intended only for illustrative purposes, enabling the reader to make their own assessments. They are not to be construed as warranties, whether express or implied, regarding fitness for any particular purpose.
The information and data are provided for informational purposes only and may be revised at any time without notice.
Unless otherwise specified, all registered trademarks are the property of SIJ – Slovenska industrija jekla, d.d. (Slovenian Steel Group) and its subsidiaries (SIJ Group).
Copyright © 2024 by SIJ Group. All rights reserved. Contact us for further information.

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Marketing

SIJ Metal Ravne
Marketing
SIJ Metal Ravne
SIJ Metal Ravne