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U4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of U4

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AS U4

Catalog

U4 Profile
U4 Chemical composition
U4 Mechanical Properties
U4 Physical Properties
U4 Heat treatment
U4 Size Availability
U4 Relevant products

Profile

This page is mainly introduced the U4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of U4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
U4

Steel Garde:U4
Type:Special Alloy
Country:Australia
Standard:AS
Application:Australia Structural steel

Relevant products:

17-4PH Stainless...

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SU41	SS	Sweden
SU41	SS	Sweden
U40048	GBT	China
U40088	GBT	China
U40108	GBT	China
U40158	GBT	China
U40152	GBT	China
U40208	GBT	China
U40202	GBT	China
U41188	GBT	China
U41228	GBT	China
U40252	GBT	China
U40302	GBT	China
U40352	GBT	China
U40402	GBT	China
U40452	GBT	China
U41252	GBT	China
U41302	GBT	China
U41352	GBT	China
0Cr17Ni4Cu4Nb	GBT	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	493～432	σb/MPa
Yield Strength	834	σ 0.2 ≥/MPa
Elongation	90	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	334～280	-
HRC	30	-

Physical Properties

Thermal expansion	06-86	e-6/K
Thermal conductivity	19-64	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1067-3098	째C
Density	3644-5900	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)
U4 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