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ASTM440C chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ASTM440C

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ASTM ASTM440C

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This page is mainly introduced the ASTM440C chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ASTM440C,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ASTM440C

Steel Garde:ASTM440C
Type:Stainless Steels
Country:USA
Standard:ASTM
Application:ASTM440C

Relevant products:

X105CrMo17 Extruded Pipe

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 276 S44004	SAE	USA
A 314 S44004	SAE	USA
A 473 S44004	SAE	USA
A 493 S44004	SAE	USA
A 580 S44004	SAE	USA
S44004	AISI	USA
SUS 440C	JIS	Japan
SUS 440C	JIS	Japan
SUS 440C	JIS	Japan
SUS 440C	JIS	Japan
STS440C	KS	Korea
440C	CNS	China
AISI440C	AISI	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.95	1.2
Si		1
Mn		1
P		0.04
S		0.03
Mo		0.75

Mechanical Properties

Tensile strength	421～835	σb/MPa
Yield Strength	881	σ 0.2 ≥/MPa
Elongation	44	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	519～695	-
HRC	30	-

Physical Properties

Thermal expansion	22-75	e-6/K
Thermal conductivity	16-20	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5140-1569	째C
Density	1065-2919	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)
ASTM440C 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