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B 729 N08020 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of B 729 N08020

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SAE B 729 N08020

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This page is mainly introduced the B 729 N08020 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of B 729 N08020,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Standard Specification for Seamless UNS N08020, UNS N08026, and UNS N08024 Nickel-Alloy Pipe and Tube

Steel Garde:B 729 N08020
Type:Stainless Steels
Country:USA
Standard:SAE
Standard Number:

ITEM Standard Number Descriptions

1 B 729 (2009) Standard Specification for Seamless UNS N08020, UNS N08026, and UNS N08024 Nickel-Alloy Pipe and Tube
Metallographic Structure:Austenite
Application:Standard Specification for Seamless UNS N08020, UNS N08026, and UNS N08024 Nickel-Alloy Pipe and Tube

ITEM	Standard Number	Descriptions
1	B 729 (2009)	Standard Specification for Seamless UNS N08020, UNS N08026, and UNS N08024 Nickel-Alloy Pipe and Tube

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 240 N08020	SAE	USA
A 358 N08020	SAE	USA
A 959 N08020	SAE	USA
B 462 N08020	SAE	USA
B 463 N08020	SAE	USA
B 464 N08020	SAE	USA
B 468 N08020	SAE	USA
B 472 N08020	SAE	USA
B 473 N08020	SAE	USA
B 475 N08020	SAE	USA
N08020	AISI	USA
SA-240 N08020	AMS	USA
SA-358 N08020	AMS	USA
SB-462 N08020	AMS	USA
SB-463 N08020	AMS	USA
SB-464 N08020	AMS	USA
SB-468 N08020	AMS	USA
SB-473 N08020	AMS	USA
SB-729 N08020	AMS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.07
Mn		2.00
Si		1.00
P		0.045
S		0.035
Cr	19.00	21.00
Ni	32.00	38.00
Mo	2.00	3.00
Cu	3.00	4.00
Nb	8×C％	1.00

Mechanical Properties

Tensile strength	274～403	σb/MPa
Yield Strength	757	σ 0.2 ≥/MPa
Elongation	88	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	638～512	-
HRC	30	-

Physical Properties

Thermal expansion	92-87	e-6/K
Thermal conductivity	71-81	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8480-3034	째C
Density	4488-3070	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 729 N08020 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