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B 670 N07718 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of B 670 N07718

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ASTM B 670 N07718

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This page is mainly introduced the B 670 N07718 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of B 670 N07718,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
B 637 N07718

Steel Garde:B 670 N07718
Type:Superalloys
Country:USA
Standard:ASTM
Standard Number:

ITEM Standard Number Descriptions

1 B 670 (2007) Precipitation-Hardening Nickel Alloy (UNS N07718) Plate, Sheet, and Strip for High-Temperature Service
Application:Precipitation-Hardening Nickel Alloy (UNS N07718) Plate, Sheet, and Strip for High-Temperature Service

ITEM	Standard Number	Descriptions
1	B 670 (2007)	Precipitation-Hardening Nickel Alloy (UNS N07718) Plate, Sheet, and Strip for High-Temperature Service

Relevant products:

UNS NO7718/ Inco...

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
2.4668	DIN	Germany
NiCr19Fe19Nb5Mo3	DIN	Germany
A 1014 N07718	ASTM	USA
B 637 N07718	ASTM	USA
B 983 N07718	ASTM	USA
N07718	UNS	USA
Inconel 718	AMS	USA
Inconel 718	SAE	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.03
Cr	17.0	21.0
Mo	2.80	3.30
Ni	50.0	55.0
Al	0.20	0.60
Nb	4.75	5.50
Fe		Bal
Si		0.35
Mn		0.35
P		0.015
S		0.015
B		0.006

Mechanical Properties

Tensile strength	579～711	σb/MPa
Yield Strength	340	σ 0.2 ≥/MPa
Elongation	18	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	590～122	-
HRC	30	-

Physical Properties

Thermal expansion	91-26	e-6/K
Thermal conductivity	66-47	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9283-3928	째C
Density	7058-0681	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)
B 670 N07718 Superalloys	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