X6Cr13、403S17、Z8C12

Characteristics and scope of application:

X6Cr13 (13Cr-low Si) is an excellent stainless steel and heat-resistant steel for turbine blades and high-stress components. Corresponds to China 1Cr12, Japan SUS403, United States 403, United Kingdom S40300, Germany 403S17

 

chemical composition:

Grade	C≤	Si≤	Mn≤	S≤	P≤	Cr	Ni≤
X6Cr13	0.15	0.50	1.00	0.030	0.040	11.50 13.00	0.60

 

Mechanical properties:

Tensile strength σb (MPa): quenching and tempering, ≥589

Conditional yield strength σ0.2 (MPa): quenching and tempering, ≥392

Elongation δ5 (%): quenching and tempering, ≥25

Section shrinkage ψ (%): quenching and tempering, ≥55

Impact work Akv (J): quenching and tempering, ≥147

Hardness: annealing, ≤200HB; quenching and tempering, ≥170HB

 

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 959 ～ 1000 ℃; 3) rapid cooling after tempering at 700 ～ 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.