• SIJ AcroniSkupina SIJVodstvo Skupine SIJStrategija, vizija, poslanstvoProizvodnja in tehnologijaZa kupce in dobaviteljeZgodovinaOsebna izkaznicaŽvižgaštvo
  • Splošen pregledOkolje ResponsibleSteelZeleno jeklo
  • Prosta delovna mestaPostopek zaposlovanjaSkrb za zaposlene
  • Novice in dogodkiMedijsko središčeVizualna gradiva
  • Prosta zaloga
  • Dokumenti in certifikati
  • Kontakti
  • Lokacije
  • Skupina SIJSIJ Metal RavneSIJ Ravne SystemsSIJ SUZSIJ ZIP CenterGriffon & RomanoNiro WendenSIJ Americas
Blagovne znamkeIndustrijeStoritve
Zeleno jekloIskalnik proizvodov
Blagovne znamkeIndustrijeStoritve
Zeleno jekloIskalnik proizvodov
SIJ AcroniSkupina SIJVodstvo Skupine SIJStrategija, vizija, poslanstvoProizvodnja in tehnologijaZgodovinaOsebna izkaznica
Splošen pregledResponsibleSteel
Prosta delovna mestaPostopek zaposlovanja
Novice in dogodkiMedijsko središčeVizualna gradiva
Žvižgaštvo
Dokumenti in certifikatiKontaktiIskalnik proizvodovProsta zaloga

Certifikati Skupine SIJ

Iskalnik certifikatov

2026 SIJ - Slovenian Steel Group, d. d.

PiškotkiPravno obvestiloVarstvo osebnih podatkovVideonadzor
CNJ
Product typeFind your steelSIQUALSIQUAL 1231
Brand1231

High Carbon Steel

SIQUAL 1231 is a high carbon steel used for springs, spring parts or as a constructional steel for medium-weight machine parts.

Industries in detail

  • Heavy Machinery
  • Mechanical Engineering

SIQUAL 1231 data sheet

Vodja prodajnega programa

Luka Vindišar
Prodaja
SIJ Acroni
Luka Vindišar
+386 45 841 419luka.vindisar@acroni.si

Manufacture

SIQUAL 1231 is made by SIJ Acroni.

Standards & certificates

Material number

1.1231

EN

C67S

Properties

Rₚ₀.₂[MPa]:510
Rₘ[MPa]:640 - 1140

Chemical composition

In weight %

C0.70 - 0.80
Mn0.60 - 0.90
Si0.15 - 0.35
P0.025
S0.025
Cr0.40
Ni0.40
Mo0.10

Product forms

Cold Rolled Sheet

rolled
Lup to 6000 mm
Wup to 1000 mm
Tup to 3 mm

Hot Rolled Sheet

rolled
Lup to 6000 mm
Wup to 1000 mm
Tup to 6 mm

Plates

rolled
Lup to 12000 mm
Wup to 2500 mm

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.

Got a question?

We've got the answers! Our team is here to help you with anything you need.

Vodja prodajnega programa

Luka Vindišar
Prodaja
SIJ Acroni
Luka Vindišar
+386 45 841 419luka.vindisar@acroni.si