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ASTM440B chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ASTM440B

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ASTM ASTM440B

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This page is mainly introduced the ASTM440B chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ASTM440B,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ASTM440B

Steel Garde:ASTM440B
Type:Stainless Steels
Country:USA
Standard:ASTM
Application:ASTM440B

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 276 S44003	SAE	USA
A 314 S44003	SAE	USA
A 473 S44003	SAE	USA
A 580 S44003	SAE	USA
S44003	AISI	USA
SUS 440B	JIS	Japan
STS440B	KS	Korea
440B	CNS	China
AISI440B	AISI	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
c	0.75	0.95
Si		1.00
Mn		1.00
P		0.04
S		0.03

Mechanical Properties

Tensile strength	582～732	σb/MPa
Yield Strength	304	σ 0.2 ≥/MPa
Elongation	89	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	036～874	-
HRC	30	-

Physical Properties

Thermal expansion	70-38	e-6/K
Thermal conductivity	57-30	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8945-4721	째C
Density	4592-8830	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)
ASTM440B 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