06Cr18Ni11Nb、1Cr18Ni11Nb、X10CrNiNb189、08X18H12E、08X18H12B

Stainless steel: S34700
Characteristics and scope of application:
Austenitic stainless steel with good resistance to crystalline corrosion. It has good corrosion resistance in acid, alkali and salt solution, and has good oxidation resistance and weldability in air below 800 ℃. 347 stainless steel has superior Stress Rupture performance and high temperature Creep Resistance stress mechanical properties than 304 stainless steel. Widely used in aviation, power generation, chemical, petrochemical, food, paper and other fields.

chemical composition:

C≤	Si≤	Mn≤	S≤	P≤	Cr	Ni	Ti≥
0.08	1.00	2.00	0.030	0.045	17.00 19.00	9.00 13.00	5×C%

 

Mechanical properties:

Tensile strength σb (MPa)

Conditional yield strength σ0.2 (MPa) ≥206

Elongation δ5 (%) ≥40

Section shrinkage ψ (%) ≥50

Hardness: ≤187HB; ≤90HRB; ≤200HV

 

Heat treatment:

Heat treatment specifications: solid solution 980 ~ 1150 ℃ rapid cooling.

 

Microstructure:

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.