F.3117-X10CrS17、F.3413-X14CrMoS17

characteristic

X10CRS17 is a steel grade with free cutting performance added to X6CR17 steel.

use

Mainly used in automatic lathes, bolts and nuts.

 

chemical composition:

Grade	C≤	Si≤	Mn≤	S≥	P≤	Cr	Ni≤	Mo
X10CRS17	0.12	1.00	1.25	0.15	0.060	16.00  18.00	0.60	0.60

 

Mechanical properties

Tensile strength σb (MPa): quenching and tempering, ≥451

Conditional yield strength σ0.2 (MPa): quenching and tempering, ≥206

Elongation δ5 (%): quenching and tempering, ≥22

Section shrinkage ψ (%): quenching and tempering, ≥50

Hardness: annealing, ≤183HB;

 

Heat treatment specifications

Annealing, rapid cooling or slow cooling at 680 ～ 820 ℃;

 

Delivery status: delivered in annealed condition.