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Z6CNT18.12B chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Z6CNT18.12B

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AFNOR Z6CNT18.12B

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This page is mainly introduced the Z6CNT18.12B chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Z6CNT18.12B,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Steel tubes. Seamless austenitic steel tubes for use at high temperatures. Dimensions (with normal tolerances). Technical conditions of delivery

Steel Garde:Z6CNT18.12B
Type:Stainless Steels
Country:France
Standard:AFNOR

Standard Number:

ITEM	Standard Number	Descriptions
1	NF A 49-214	Steel tubes. Seamless austenitic steel tubes for use at high temperatures. Dimensions (with normal tolerances). Technical conditions of delivery

Application:Steel tubes. Seamless austenitic steel tubes for use at high temperatures. Dimensions (with normal tolerances). Technical conditions of delivery

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
Z6CNT18-10	AFNOR	France
Z6CNT18-10B	AFNOR	France
Z6CNT18-10F	AFNOR	France
TUZ6CNT18-10	AFNOR	France
TSZ6CNT18-10	AFNOR	France
321F20	AFNOR	France
Z6CNNb18-12B	AFNOR	France
Z6CND17.12B	AFNOR	France
316F20	AFNOR	France
Z6CNNb18.12B	AFNOR	France
347F20	AFNOR	France
20X12BHMΦ	GOST	Russia
15X12BHMΦ	GOST	Russia
18X12BMBΦP	GOST	Russia

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.04	0.08
Si		1.00
Mn		2.00
P		0.040
S		0.030
Cr	17.00	19.00
Ni	11.00	13.00
Mo
B	0.0015	0.0060
Ti	4×C	0.60

Mechanical Properties

Tensile strength	476～624	σb/MPa
Yield Strength	512	σ 0.2 ≥/MPa
Elongation	48	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	556～311	-
HRC	30	-

Physical Properties

Thermal expansion	60-84	e-6/K
Thermal conductivity	27-29	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3988-5104	째C
Density	8397-3530	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)
Z6CNT18.12B 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