Mat.No. 1.1520, DIN C70, AISI 1070

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Designation by Standards Mat. No. DIN EN AISI 1.1520 C70 - 1070 Chemical Composition (in weight %) C Si Mn Cr Mo Ni V W Others 0.70 0.20 0.25 - - - - - - Description Unalloyed carbon steel. Applications Quenched and tempered steel for heavy duty parts in machines, vechicles. Physical properties (avarage values) at ambient temperature Modulus of elasticity [103 x N/mm2]: 210 Density [g/cm3]: 7.85 Soft Annealing Heat to 680-710oC, cool slowly. ...

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Designation by Standards

Mat. No.	DIN	EN	AISI
1.1520	C70	-	1070

Chemical Composition (in weight %)

C	Si	Mn	Cr	Mo	Ni	V	W	Others
0.70	0.20	0.25	-	-	-	-	-	-

Description
Unalloyed carbon steel.

Applications
Quenched and tempered steel for heavy duty parts in machines, vechicles.

Physical properties (avarage values) at ambient temperature
Modulus of elasticity [10³ x N/mm²]: 210
Density [g/cm³]: 7.85

Soft Annealing
Heat to 680-710^oC, cool slowly. This will produce a maximum Brinell hardness of 183.

Hardening
Harden from a temperature of 790-820^oC followed by water. Hardness after quenching is 63-64 HRC.

Tempering
Tempering temperature: 180-300^oC.

Forging
Hot forming temperature: 1100-850^oC.

Machinability
No data.

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 puposes. There is no representation that the recipient of this literature will receive updated editions as the become available.