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300 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 300

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AS 300

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This page is mainly introduced the 300 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 300,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
300

Steel Garde:300
Type:Special Alloy
Country:Australia
Standard:AS
Application:Australia Structural steel

Relevant products:

403(UNS S40300) ...

403Cb Stainless ...

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
UNS G10300	UNS	USA
S50300	SS	USA
S42300	UNS	USA
S42300	UNS	USA
UNS S42300	UNS	USA
UNS S42300	UNS	USA
UNS S63005	UNS	USA
UNS S63007	UNS	USA
UNS S63008	UNS	USA
UNS S63009	UNS	USA
UNS J03000	ASTM	USA
UNS J03001	UNS	USA
UNS J93000	AISI	USA
UNS J93005	AISI	USA
UNS J93000	AISI	USA
UNS J03002	AISI	USA
UNS J03003	AISI	USA
UNS J31300	AISI	USA
411300	CSN	Czech Republic
11300	CSN	Czech Republic
300L0	AS	Australia
300L	AS	Australia
300	AS	Australia
300L15	AS	Australia
HU300	AS	Australia
XF300	AS	Australia
HA300	AS	Australia
HA300/1	AS	Australia
CW300	AS	Australia
VAKT 300	ABNT	Brazil
V300M	ABNT	Brazil
EN X12CfNi3009KE	EN	Euronorm
MARAGING (C) 300	ASTM	USA

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	270～386	σb/MPa
Yield Strength	791	σ 0.2 ≥/MPa
Elongation	22	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	268～150	-
HRC	30	-

Physical Properties

Thermal expansion	24-30	e-6/K
Thermal conductivity	64-00	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5997-0458	째C
Density	0915-4640	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)
300 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