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C350, 350 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of C350, 350

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This page is mainly introduced the C350, 350 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of C350, 350,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Maraging C350 350 is a nickel maraging steel which contains Cobalt as the primary strengthening agent. Maraging 350 has excellent mechanical properties, workability and heat treatment characteristics. Maraging C350 350 is used for missile and rocket motor cases, landing and takeoff gear components, high performance shafting, gears and fasteners.

Steel Garde:C350, 350
Type:Maraging steel
Standard Number:

ITEM Standard Number Descriptions

1 MIL-S-46850

2 AMS 6515
Metallographic Structure:Martensite
Application:Maraging 350 is used for missile and rocket motor cases, landing and takeoff gear components, high performance shafting, gears and fasteners.

ITEM	Standard Number	Descriptions
1	MIL-S-46850
2	AMS 6515

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）	Similar	Remarks
C		0.03
Si		0.10
Mn		0.10
P		0.01
S		0.01
Ni		18.50
Co		12.0
Al		0.10
Mo		4.8
Ti		1.40
Zr		0.01

Mechanical Properties

Tensile strength	259～623	σb/MPa
Yield Strength	486	σ 0.2 ≥/MPa
Elongation	72	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	643～571	-
HRC	30	-

Physical Properties

Thermal expansion	52-51	e-6/K
Thermal conductivity	26-57	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7969-5225	째C
Density	6916-1998	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)
C350, 350 Maraging steel	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