Y3Cr13、S42020、X29CrS13

● Characteristics and scope of application:

Stainless steel Y3Cr13 is a steel grade that improves the cutting performance of 1Cr13.

 

● Chemical composition:

Steel number	C≤	Si≤	Mn≤	S≥	P≤	Cr	Ni≤	Mo≤
Y3Cr13	0.26 0.40	1.00	1.25	0.150	0.06	12.00 14.00	0.60	0.60

 

● Mechanical properties:

Tensile strength σb (MPa): quenching and tempering, ≥736

Conditional yield strength σ0.2 (MPa): quenching and tempering, ≥540

Elongation δ5 (%): quenching and tempering, ≥12

Section shrinkage ψ (%): Quenching and tempering, ≥40

Impact work Akv (J): quenching and tempering, ≥29.4

Hardness: annealing, ≤ 235HB; quenching and tempering, ≥ 217HB

 

● Heat treatment specifications and metallographic structure:

Heat treatment specifications: 1) annealing, slow cooling at 800 ～ 900 ℃ or rapid cooling at about 750 ℃; 2) quenching, oil cooling at 920 ～ 980 ℃; 3) tempering, rapid cooling at 600 ～ 750 ℃.

Metallographic structure: the organization is characterized by martensite type.

 

● Delivery status:

Generally, it is delivered in a heat-treated state, and the type of heat treatment is specified in the contract; if it is not specified, it is delivered in a non-heat-treated state.