SUSXM27、S44625、S44627

● Characteristics and scope of application:

Performance, use, corrosion resistance and soft magnetic properties are similar to 44J1.

 

● Chemical composition:

Grade	C≤	Si≤	Mn≤	S≤	P≤	Cr	Mo	Ni≤	Cu≤	N≤	Ni+Cu≤
SUSXM27	0.01	0.40	0.40	0.020	0.030	25.00 27.50	0.75 1.50	0.50	0.20	0.015	0.50

 

● Mechanical properties:

Tensile strength σb (MPa): ≥410

Conditional yield strength σ0.2 (MPa): ≥245

Elongation δ5 (%): ≥20

Section shrinkage ψ (%): ≥45

Hardness: ≤219HB

 

● Heat treatment specifications and metallographic structure:

Heat treatment specifications: annealing 900 ~ 1050 ℃ rapid cooling.

Metallographic structure: The structure is characterized by ferrite type.

 

● Delivery status: Generally delivered in the heat-treated state, and the type of heat treatment is specified in the contract; if it is not specified, it is delivered in the non-heat-treated state