Brand7709

Special Structural Steel

SIQUAL 7709 is commonly used in the production of screws, nuts, and forged components for steam engines operating at temperatures up to 539°C.

Manufacture

SIQUAL 7709 is made by SIJ Metal Ravne.

Standards & certificates

Material number

1.7709

Ravne

PT759

DIN

21CrMoV5-7

EN

21CrMoV5-7

Properties

Elasticity[10³ x N/mm²]:210
Density[g/cm³]:7.80

Chemical composition

In weight %

C0.21
Si0.45
Mn0.45
Cr1.35
Mo1.10
Ni0.30
V0.30

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

Tempering

Temperature: 680-740°C. 

Forging

 Hot forming temperature: 1100-850°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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