SUS410J1、X15CrMo13、420S29

● Characteristics and scope of application:

410J1stainless steel is a type of high-strength steel with higher corrosion resistance than 410. It is used as steam turbine blades and high-temperature components.

 

● Chemical composition:

Steel number	C	Si≤	Mn≤	S≤	P≤	Cr	Ni≤	Mo
SUS410J1	0.08 0.18	0.60	1.00	0.030	0.040	11.50 14.00	0.60	0.30 0.60

 

● Mechanical properties:

Tensile strength σb (MPa): quenching and tempering, ≥687

Conditional yield strength σ0.2 (MPa): quenching and tempering, ≥491

Elongation δ5 (%): quenching and tempering, ≥20

Section shrinkage ψ (%): quenching and tempering, ≥60

Impact work Akv (J): quenching and tempering, ≥98

Hardness: annealing, ≤200HB; quenching and tempering, ≥192HB

 

● Heat treatment specifications and metallographic structure:

Heat treatment specifications: 1) annealing, slow cooling at 830 ～ 900 ℃ or rapid cooling at about 750 ℃; 2) quenching, oil cooling at 970 ～ 1020 ℃; 3) tempering, rapid cooling at 650 ～ 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.