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AMS 6305F 17-22A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of AMS 6305F 17-22A

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AMS AMS 6305F 17-22A

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This page is mainly introduced the AMS 6305F 17-22A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of AMS 6305F 17-22A,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Steel, Heat-Resistant, Bars, Forgings, and Tubing 0.95Cr - 0.55Mo - 0.30V (0.40 - 0.50C) Vacuum Arc Remelted.

Melting Practice

Steel shall be multiple melted using consumable electrode vacuum practice (VAR) in the remelt cycle.

Macrostructure

Visual examination of transverse full cross-sections from bars, billets, tube rounds (solid, not hollow), and forging stock,

etched in hot hydrochloric acid in accordance with ASTM A 604, shall show no pipe or cracks. Porosity, segregation, inclusions, and other imperfections shall be no worse than the macrographs of ASTM A 604 shown in Table 2.

Average Grain Size of Bars, Forgings and Tubing

Shall be ASTM No. 5 or finer, determined in accordance with ASTM E 112.

Steel Garde:AMS 6305F 17-22A
Type:Aviation and Aero Steel
Country:USA
Standard:AMS

Standard Number:

ITEM	Standard Number	Descriptions
1	AM S6305-2012	Steel, Heat-Resistant, Bars, Forgings, and Tubing 0.95Cr - 0.55Mo - 0.30V (0.40 - 0.50C) Vacuum Arc Remelted

Application:Steel, Heat-Resistant, Bars, Forgings, and Tubing 0.95Cr - 0.55Mo - 0.30V (0.40 - 0.50C) Vacuum Arc Remelted

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
AMS 6305E 17-22A	AMS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.40	0.50
Si	0.15	0.35
Mn	0.40	0.70
P		0.015
S		0.015
Cr	0.80	1.10
Mo	0.45	0.65
V	0.25	0.35
Ni		0.25
Cu		0.35
Lead		0.001(10PPM)

Mechanical Properties

Tensile strength	215～140	σb/MPa
Yield Strength	512	σ 0.2 ≥/MPa
Elongation	39	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	999～596	-
HRC	30	-

Physical Properties

Thermal expansion	36-14	e-6/K
Thermal conductivity	85-48	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9864-2055	째C
Density	1996-7014	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)
AMS 6305F 17-22A Aviation and Aero 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