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Z3CTNb18 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Z3CTNb18

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AFNOR Z3CTNb18

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This page is mainly introduced the Z3CTNb18 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Z3CTNb18,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Iron and steel. Stainless steel for high temperature application

Steel Garde:Z3CTNb18
Type:Stainless Steels
Country:France
Standard:AFNOR

Standard Number:

ITEM	Standard Number	Descriptions
1	NF A 35-573	Stainless steels for general purposes. Plates, wide strips and strips
2	NF A 35-578	Iron and steel. Stainless steel for high temperature application

Application:Iron and steel. Stainless steel for high temperature application

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.030
Si		0.75
Mn		0.08
P		0.030
S		0.015
Cr	17.50	18.50
Mo
Ni
N		0.025
Ti	0.10	0.50
Nb	9×C	0.30

Mechanical Properties

Tensile strength	547～422	σb/MPa
Yield Strength	107	σ 0.2 ≥/MPa
Elongation	55	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	340～826	-
HRC	30	-

Physical Properties

Thermal expansion	43-54	e-6/K
Thermal conductivity	84-52	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4288-5677	째C
Density	6342-2600	kg/m³
Resistivity	0.50-0.60	Ohm.mm²/m

Heat Treatment Regime

Annealing	Quenching	Tempering	Normalizing	Q & T
√	√	√	√	√

Size Availability

Steel Grade	Specification	Processing range(mm)
Z3CTNb18 Stainless Steels	Round Bar and Hollow Bar	Φ1 to Φ2000
	Square and Flat Steel	Φ10 to Φ100
	Plate and Sheet	0.08-800(Thickness)10-1500(Width)Length
	Tube or Pipe	OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
	Coil and Strip Steel	THK:0.1mm Width:1500mm
	Forged	Ring/Cylindrical/Disk