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X7CrNiMoBNb16-6 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of X7CrNiMoBNb16-6

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AFNOR X7CrNiMoBNb16-6

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This page is mainly introduced the X7CrNiMoBNb16-6 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of X7CrNiMoBNb16-6,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Creep resisting steels, nickel and cobalt alloys

Steel Garde:X7CrNiMoBNb16-6
Type:Stainless Steels
Country:France
Standard:AFNOR

Standard Number:

ITEM	Standard Number	Descriptions
1	NF EN 10028-7	Flat products made of steels for pressure purposes - Part 7: Stainless steels
2	NF EN 10088-1	Stainless steels - Part 1: List of stainless steels
3	NF EN 10216-5 (2004)	Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 5: Stainless steel tubes
4	NF EN 10222-5	Steel forgings for pressure purposes - Part 5: Martensitic, austenitic and austenitic-ferritic stainless steels
5	NF EN 10269	Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
6	NF EN 10302 (2002)	Creep resisting steels, nickel and cobalt alloys

Application:Creep resisting steels, nickel and cobalt alloys

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.04	0.10
Si	0.30	0.60
Mn		1.50
P		0.045
S		0.030
Cr	15.50	17.50
Ni	15.50	17.50
Mo	1.60	2.00
Nb+Ta	10XC%	1.20
B	0.050	0.10

Mechanical Properties

Tensile strength	717～373	σb/MPa
Yield Strength	627	σ 0.2 ≥/MPa
Elongation	36	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	395～177	-
HRC	30	-

Physical Properties

Thermal expansion	28-32	e-6/K
Thermal conductivity	60-18	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6576-7213	째C
Density	7400-0297	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)
X7CrNiMoBNb16-6 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