SUS304LN、S30453、304S61

Stainless steel: SUS304LN

Characteristics and scope of application:

SUS304LN stainless steel adds N to the grade SUS304L and has the same characteristics. The use of SUS304LN stainless steel is the same as that of SUS304N, but the intergranular corrosion is better.

 

Chemical composition:

Grade	C≤	Si≤	Mn≤	S≤	P≤	Cr	Ni	N
SUS304LN	0.030	1.00	2.00	0.030	0.045	17.00 19.00	8.50 11.50	0.12    0.22

 

Mechanical properties:

Tensile strength σb (MPa): ≥550

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

Elongation δ5 (%): ≥40

Section shrinkage rate ψ (%): ≥50

Hardness: ≤217HB; ≤95HRB; ≤220HV

 

Heat treatment specifications and metallographic structure:

Heat treatment specifications: solid solution 1010 ~ 1150 ℃ rapid cooling.

Metallographic structure: the organization is characterized by austenite 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.