1.7139

Low-carbon steel

Material No.	1.7139
US standard (AISI)	5115
Abbreviation	16MnCrS5
Old designation
Description	Mild steel
Composition Alloy constituents [%]	C: 0.14 – 0.19 Si: ≤ 0.40 Mn: 1.00 – 1.30 P: ≤ 0.025 S: 0.020 – 0.040 Cr: 0.80 – 1.10
Density [g/cm³]	7.76
Yield point Rp0.2 / Re[N/mm²]	>=635
Tensile strength Rm [N/mm²]	>=700
Elongation after fracture A [%]	>=9
Machinability	Good
Weldability	Suitable
Heat treatment	Possible
Other properties
Main uses

This information is for reference only; we do not assume any liability for its accuracy. The properties of steel materials are highly dependent on their thermal and/or mechanical treatment.