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G31400 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G31400

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AISI G31400

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This page is mainly introduced the G31400 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G31400,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Steel for intake valves

Steel Garde:G31400
Type:Stainless Steels
Country:USA
Standard:AISI
Application:Steel for intake valves

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.38	0.43
Si	0.15	0.30
Mn	0.70	0.90
P		0.04
S		0.04
Cr	0.35	0.65
Ni	1.10	1.40

Mechanical Properties

Tensile strength	035～018	σb/MPa
Yield Strength	269	σ 0.2 ≥/MPa
Elongation	93	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	840～081	-
HRC	30	-

Physical Properties

Thermal expansion	83-07	e-6/K
Thermal conductivity	90-34	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4064-9889	째C
Density	9101-8615	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)
G31400 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