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S34720 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S34720

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AISI S34720

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This page is mainly introduced the S34720 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S34720,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Austenitic Chromium Nickel Free-Machining Stainless Steel (Columbium stabilized)

Steel Garde:S34720
Type:Stainless Steels
Country:USA
Standard:AISI
Metallographic Structure:Austenite
Application:Austenitic Chromium Nickel Free-Machining Stainless Steel (Columbium stabilized)

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.08
Mn		2.00
Si		1.00
P		0.04
S	0.18	0.35
Cr	17.00	19.00
Ni	9.00	12.00

Mechanical Properties

Tensile strength	597～320	σb/MPa
Yield Strength	423	σ 0.2 ≥/MPa
Elongation	23	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	398～692	-
HRC	30	-

Physical Properties

Thermal expansion	59-14	e-6/K
Thermal conductivity	65-94	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9288-8018	째C
Density	2294-3741	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)
S34720 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