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Austenitic 660 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Austenitic 660

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CNS Austenitic 660

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This page is mainly introduced the Austenitic 660 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Austenitic 660,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Austenitic 660

Steel Garde:Austenitic 660
Type:Special Alloy
Country:China
Standard:CNS
Application:China Taiwan Heat-Resistant Steel

Relevant products:

1.4980/A286/660/1.2779

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
Austenitic 31	CNS	China
Austenitic 35	CNS	China
Austenitic 36	CNS	China
Austenitic 37	CNS	China
Austenitic 38	CNS	China
Austenitic 309	CNS	China
Austenitic 310	CNS	China
Austenitic 330	CNS	China
Austenitic 660	CNS	China
Austenitic 661	CNS	China
Austenitic 309	CNS	China
Austenitic 309	CNS	China
Austenitic 310	CNS	China
Austenitic 330	CNS	China
Austenitic 661	CNS	China
Austenitic 31	CNS	China
Austenitic 35	CNS	China
Austenitic 36	CNS	China
Austenitic 37	CNS	China
Austenitic 38	CNS	China
AISI 660	AISI	USA
SUH660	JIS	Japan
STR660	KS	Korea
42 2660	CSN	Czech Republic
8660	AS	Australia
8660H	AS	Australia
XK8660S	AS	Australia
K8660HS	AS	Australia
ASTM A638 Grade 660B 660D Alloy A286	ASTM	USA

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	287～621	σb/MPa
Yield Strength	897	σ 0.2 ≥/MPa
Elongation	15	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	528～495	-
HRC	30	-

Physical Properties

Thermal expansion	80-70	e-6/K
Thermal conductivity	55-83	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7401-6863	째C
Density	7982-6425	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)
Austenitic 660 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