Brand6580

High-Strength Low Alloy Steel

SIQUAL 6580 is ideal for manufacturing permanently stressed components with large cross sections, making it a prime choice for automotive, mechanical engineering, and other industries. Its high strength and toughness, combined with good fatigue resistance, ensure reliable performance under severe dynamic stresses. This alloy is particularly suitable for applications where parts must be optimized for maximum strength and toughness to ensure economic and durable performance.

Manufacture

SIQUAL 6580 is made by SIJ Metal Ravne.

Standards & certificates

Material number

1.6580

Ravne

VCNMO200

EN

30CrNiMo8

AISI/SAE

4340

Properties

Elasticity[10³ x N/mm²]:210
Density[g/cm³]:7.82

Chemical composition

In weight %

C0.30
Si0.40
Mn0.45
Cr2.00
Mo0.40
Ni1.90

Product forms

Flat sections

rolled
Wup to 850 mm
Tup to 450 mm

Forgings

forged
Lup to 10000 mm

Round bars

forged
Lup to 6000 mm
Φup to 1050 mm

Tempering

Hardening

 Harden from a temperature of 830-880 °C followed by oil quenching. 

Forging

 Harden from a temperature of 830-880 °C followed by oil quenching. 

Disclaimer

The information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other purposes. There is no representation that the recipient of this literature will receive updated editions as the become available

Unless otherwise specified, registered trademarks are property of SIJ Metal Ravne company. Copyright 2016 by SIJ Metal Ravne d.o.o. All rights reserved. Contact our Sales Office for more information.

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