Engineered metals
for precision industries

www.robertlaminage.com

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ROBERT 2
StW24

Chemical composition

P0.03 max

FeBAL

Mn0.40 max

S0.03 max

C0.08 max

*Unified Numbering System (USA)

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	0,3

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

Heat Treatment / Hardening
Annealing temperature	550-650	°C
Temperature for stress relief treatment		°C
Hardening temperature		°C
Hardening treatment time		hour(s)

ROBERT 2
Possible hardness range	100 - 200	HV
Possible Rm range	300 - 610	MPa

Grade	According to standard	Hardness (HV: Vickers) min - max	Rm (MPa) min - max	Rp 0.2 (MPa) min - max	Elongation (%) where L0 = 100mm min - max	L0	Grain size (µm) min - max

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