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Austenitic 31 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Austenitic 31

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CNS Austenitic 31

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This page is mainly introduced the Austenitic 31 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Austenitic 31,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
CNS standard heat resistant steel bars(CNS 9608-1998)

Steel Garde:Austenitic 31
Type:Special Alloy
Country:China
Standard:CNS
Application:CNS standard heat resistant steel bars(CNS 9608-1998)

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
Austenitic 310	CNS	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	599～126	σb/MPa
Yield Strength	966	σ 0.2 ≥/MPa
Elongation	92	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	070～546	-
HRC	30	-

Physical Properties

Thermal expansion	38-32	e-6/K
Thermal conductivity	34-96	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1577-3539	째C
Density	5610-1639	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 31 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