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Z6CNNb18.12B chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Z6CNNb18.12B

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AFNOR Z6CNNb18.12B

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This page is mainly introduced the Z6CNNb18.12B chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Z6CNNb18.12B,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Z6CNNb18.12B

Steel Garde:Z6CNNb18.12B
Type:Special Alloy
Country:France
Standard:AFNOR
Application:Resistant to high boron steel(NF A 36-580(1983))

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
Z6CNNb18-10	AFNOR	France
Z6CNNb18-12B	AFNOR	France
Z6CNT18.12B	AFNOR	France
20X12BHMΦ	ГОСТ	Russia
15X12BHMΦ	ГОСТ	Russia
18X12BMBΦP	ГОСТ	Russia
STKM12B	CNS	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	216～280	σb/MPa
Yield Strength	190	σ 0.2 ≥/MPa
Elongation	15	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	840～558	-
HRC	30	-

Physical Properties

Thermal expansion	88-26	e-6/K
Thermal conductivity	56-23	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3533-8006	째C
Density	2058-8327	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)
Z6CNNb18.12B Special Alloy	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