Engineered metals
for precision industries

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ROBERT 12
C60S

Chemical composition

Ni0.40 max

P0.03 max

FeBAL

Mn0.60-0.90

Si0.15-0.35

S0.035 max

C0.57-0.65

Mo0.10 max

Cr0.40 max

*Unified Numbering System (USA)

Low-alloy steel used for deep-drawing parts which can then be hardened by quenching.

Physical properties		Units
Density (20°C)	7,85	Kg/dm³
Melting point	1400-1500	°C
Longitudinal elasticity modulus	210	GPa
Thermal conductivity		W/m·K
Electrical conductivity	7,7	m/Ω·mm²
Electrical resistivity	0,13	µΩ·m
Linear expansion Coefficient	12	10⁻⁶·K⁻¹
IACS (International Annealed Copper Standard)	13	%
Poisson's ratio	0,29

1 poor | 2 average | 3 good | 4 very good | - no info

Heat Treatment / Hardening
Annealing temperature	650-720	°C
Temperature for stress relief treatment		°C
Hardening temperature	790-820	°C
Hardening treatment time		hour(s)

Hardening by quenching (rapid cooling) followed by tempering to reduce metal brittleness

ROBERT 12
Possible hardness range	150 - 840	HV
Possible Rm range	460 - 2700	MPa

Grade	According to standard	Hardness (HV: Vickers) min - max	Elongation (%) where L0 = 100mm min - max	Grain size (µm) min - max
extra mou	RLSA	125	35 - 45	40 - 60
mou	RLSA	150		5 - 20
dur	RLSA	240

Do not hesitate to ask us for your specific grades and parameters. We can make productions according to your needs.