SINT-C39 Sinterstahl Cu-, Ni-, Mo- und C-haltig (Cu-Ni-Mo-C Sintered Steel)

SINT-C39 is a medium-density multi-alloyed Cu-Ni-Mo-C sintered steel structural material per DIN 30910-4. Comprehensive alloying provides exceptional strength and hardenability for high-performance structural parts.

Chemical Composition (per DIN 30910-4 (Sintered Metals for Structural Parts))

Element	Content
Fe	Rest (Balance)
C	0.3–0.9%
Cu	1–3%
Ni	1–5%
Mo	< 0.6%
Other	< 2%

Properties (per DIN 30910-4 (Sintered Metals for Structural Parts))

Property	Value
Density	6.4–6.8 g/cm³
Hardness HB	> 90
Tensile Strength Rm	480 N/mm²
Yield Strength Rp0.1	350 N/mm²
Elongation A	1%
E-Modulus	100 × 10³ N/mm²

Comparable Standards: MPIF FN-0408-K70. Tensile strength and yield strength values are for as-sintered condition unless otherwise specified.

Standard

Material Code

Density (g/cm3)

Hardness

Tensile Strength

Compositions (%)

Ultimate (MPa)

Yield (MPa)

Fe

Cu

C

Ni

Mo

Mn

Cr

Sn

DIN 30910-4:2004-05

Sint-C39

6.4-6.8

>HRB 90

480

350

Bal.

1.5

0.5

4.0

0.5