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Z12CNDV12-03 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Z12CNDV12-03

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AFNOR Z12CNDV12-03

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This page is mainly introduced the Z12CNDV12-03 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Z12CNDV12-03,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Z 12 CNDV 12-03 is a new type of martensitic stainless steel for the last-stage blades of large-capacity nuclear and thermal power turbines. The deformation behavior of this steel was studied by thermal compression experiments that performed on a Gleeble-3500 thermal simulator at a temperature range of 850°C to 1200°C and a strain rate of 0.01s-1 to 20s-1. When the deformation was performed at high temperature and low strain rate, a necklace type of microstructures was observed, the plastic deformation mechanism is grain boundary slip and migration, when at low temperature and lower strain rate, the slip bands were observed, the mechanism is intracrystalline slips, and when at strain rate of 20s-1, twins were observed, the mechanism are slips and twins. The Arrhenius equation was applied to describe the constitutive equation of the flow stress. The accuracy of the equation was verified by using the experimental data and the correlation coefficient R2 = 0.9786, and the equation can provide reasonable data for the design and numerical simulation of the Z12CNDV12-03 forging process.

Steel Garde:Z12CNDV12-03
Type:Stainless Steels
Country:France
Standard:AFNOR
Standard Number:

ITEM Standard Number Descriptions

1 NF A35-578 Iron and steel. Stainless steel for high temperature application
Metallographic Structure:Martensite
Application:Iron and steel. Stainless steel for high temperature application

ITEM	Standard Number	Descriptions
1	NF A35-578	Iron and steel. Stainless steel for high temperature application

Relevant products:

Z12CNDV12-03/KT531...

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
Z12CNDV12-03	AFNOR	France
Z12CNDV12-03	AFNOR	France
X12CrNiMoV12-3, 1.4938	EN	European

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.08	0.13
Si		0.40
Mn	0.50	0.90
P		0.030
S		0.025
Cr	11.00	12.50
Ni	2.00	4.00
N	0.020	0.040
V	0.25	0.40

Mechanical Properties

Tensile strength	007～322	σb/MPa
Yield Strength	426	σ 0.2 ≥/MPa
Elongation	97	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	103～566	-
HRC	30	-

Physical Properties

Thermal expansion	98-12	e-6/K
Thermal conductivity	18-71	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3617-5148	째C
Density	6555-2234	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)
Z12CNDV12-03 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