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250 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 250

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AS 250

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This page is mainly introduced the 250 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 250,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
250

Steel Garde:250
Type:Special Alloy
Country:Australia
Standard:AS
Application:Australia Structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
Stellite 250
UNS J02500	UNS	USA
UNS J02500	UNS	USA
ASTM Grade 485-250(70-35)	ASTM	USA
UNS J02501	UNS	USA
UNS J92500	GBT	China
UNS J92500	AISI	USA
UNS J02502	AISI	USA
UNS J02503	AISI	USA
UNS J02504	AISI	USA
UNS J02505	AISI	USA
UNS J22500	AISI	USA
UNS J02503	AISI	USA
UNS J22501	AISI	USA
2CuMoCrNi250	STAS/SR	Romania
2NbNiCr250	STAS/SR	Romania
15SNC250	STAS/SR	Romania
40SiNiCr250	STAS/SR	Romania
T25NiCr250	STAS/SR	Romania
250	AS	Australia
250L0	AS	Australia
250L15	AS	Australia
C250	AS	Australia
250L15	AS	Australia
HU250	AS	Australia
HA250	AS	Australia
250	AS	Australia
EN P250GH	EN	Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	858～788	σb/MPa
Yield Strength	814	σ 0.2 ≥/MPa
Elongation	98	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	353～839	-
HRC	30	-

Physical Properties

Thermal expansion	04-53	e-6/K
Thermal conductivity	48-00	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9163-6508	째C
Density	1338-8258	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)
250 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