X5CrNi18-12、X7CrNi18 10、X8CrNi19 10

Feature application:
X7CrNi18 10 stainless steel is most suitable for cold pier, deep drawing, press forming and other processed parts, especially for non-magnetic cold-worked parts. X7CrNi18 10 austenitic stainless steel has low work hardening compared with SUS304. X7CrNi18 10 Uses: spinning processing, special drawing, cold heading.

Chemical composition:

Grade	C≤	Si≤	Mn≤	S≤	P≤	Cr	Ni
X7CrNi18 10	0.12	1.00	2.00	0.030	0.035	17.00 19.00	10.50 13.00

 

Mechanical properties:

Tensile strength σb (MPa): ≥481

Conditional yield strength σ0.2 (MPa): ≥176

Elongation δ5 (%): ≥40

Section shrinkage rate ψ (%): 60

Hardness: HB≤187; HRB≤90: HV≤200

 

Heat treatment specifications and metallographic structure:

Heat treatment specification: solid solution 1010 ～ 1150 ℃

Metallographic structure: the organization is characterized by austenite type.