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T51621 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T51621

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UNS T51621

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This page is mainly introduced the T51621 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T51621,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Mold Steel

Steel Garde:T51621
Type:Tool Die Steels
Country:USA
Standard:UNS
Application:Mold Steel

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.18	0.22
Si	0.20	0.40
Mn	0.20	0.40
P		0.030
S		0.030
Cr	0.15	0.30
Mo
V	0.15	0.25
W
Ni＋Cu		0.75
Ni	3.90	4.25
Al	1.05	1.25

Mechanical Properties

Tensile strength	039～669	σb/MPa
Yield Strength	991	σ 0.2 ≥/MPa
Elongation	57	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	152～191	-
HRC	30	-

Physical Properties

Thermal expansion	40-22	e-6/K
Thermal conductivity	77-89	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1191-9201	째C
Density	7911-6076	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)
T51621 Tool Die Steels	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