F.3115-X5CrTi17、F.3122-X5CrNb17、08X17T

characteristic

X5CRTI17 adds Ti or Nb to X6CR17 steel to reduce the C content and improve the processing performance and welding performance.

use

Used in hot water tanks, hot water supply systems, sanitary appliances, household durable appliances, bicycle flywheels, etc.

chemical composition:

Grade	C≤	Si≤	Mn≤	S≤	P≤	Cr	Ni≤	Ti-Nb
X5CRTI17	0.03	0.75	1.00	0.030	0.040	16.00  19.00	0.60	0.10   1.00

 

Mechanical properties

Tensile strength σb (MPa): quenching and tempering, ≥363

Conditional yield strength σ0.2 (MPa): quenching and tempering, ≥177

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

Hardness: annealing, ≤183HB; ≤88HRB; ≤200HV

 

Heat treatment specifications

Annealing, rapid cooling or slow cooling at 780 ～ 950 ℃;

 

Delivery status: delivered in annealed condition.