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D6AC chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of D6AC

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UNS D6AC

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This page is mainly introduced the D6AC chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of D6AC,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Steel, Sheet, Strip, and Plate 1.05Cr - 0.55Ni - 1.0Mo - 0.12V (0.45 - 0.50C) Consumable Electrode Vacuum Melted

Steel Garde:D6AC
Type:Stainless Steels
Country:USA
Standard:UNS

Standard Number:

ITEM	Standard Number	Descriptions
1	SAE AMS 6438F (2001)	Steel, Sheet, Strip, and Plate 1.05Cr - 0.55Ni - 1.0Mo - 0.12V (0.45 - 0.50C) Consumable Electrode Vacuum Melted

Metallographic Structure:Precipitation-Hardening
Application:Steel, Sheet, Strip, and Plate 1.05Cr - 0.55Ni - 1.0Mo - 0.12V (0.45 - 0.50C) Consumable Electrode Vacuum Melted

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
D6AC	ASTM	USA
D6AC	ASTM	USA
D6AC	ASTM	USA
D6AC	ASTM	USA
D6AC	ASTM	USA
D6AC	ASTM	USA
D6AC	UNS	USA
D6AC	UNS	USA
D6AC	UNS	USA
D6AC	UNS	USA
D6AC	UNS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）	Similar	Remarks
C		0.47
Si		0.22
Mn		0.75
P
S
Ni		0.55
Cr		1.05
Al
Cu
Ti
Fe		remaining
Mo		1.00
Co
V		0.10

Mechanical Properties

Tensile strength	500～105	σb/MPa
Yield Strength	469	σ 0.2 ≥/MPa
Elongation	67	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	793～633	-
HRC	30	-

Physical Properties

Thermal expansion	59-55	e-6/K
Thermal conductivity	90-82	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5648-7666	째C
Density	1812-0548	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)
D6AC Stainless 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