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P4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of P4

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ASTM P4

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This page is mainly introduced the P4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of P4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
P4

Steel Garde:P4
Type:Special Alloy
Country:USA
Standard:ASTM
Application:Alloy tool steel

Relevant products:

SKD-11 Cold working die steel

X165CrMoV12 Cold...

17-4ph steel wire

A387 F5 / Grade 5 Coil / Sheet

D2 Round Bar

P20 tool steel round bar

D3 tool steel round bar/plate

T30402/X155CrVMo12...

1.4980 Round Bar

DT413 / 4Cr5MoSiV1MOD

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	296～747	σb/MPa
Yield Strength	799	σ 0.2 ≥/MPa
Elongation	87	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	889～568	-
HRC	30	-

Physical Properties

Thermal expansion	64-66	e-6/K
Thermal conductivity	30-55	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8704-4031	째C
Density	1466-4207	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)
P4 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