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SA-240 Type 309H chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-240 Type 309H

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AMS SA-240 Type 309H

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This page is mainly introduced the SA-240 Type 309H chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-240 Type 309H,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

Steel Garde:SA-240 Type 309H
Type:Stainless Steels
Country:USA
Standard:AMS

Standard Number:

ITEM	Standard Number	Descriptions
1	SA-240/SA-240M	Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

Metallographic Structure:Austenite
Application:Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
309H	UNS	USA
A 182 F 309H	SAE	USA
A 213 TP309H	SAE	USA
A 240 Type 309H	SAE	USA
A 249 TP309H	SAE	USA
A 312 TP309H	SAE	USA
A 479 309H	SAE	USA
A 943 TP309H	SAE	USA
A 959 Type 309H	SAE	USA
A 965 Grade F309H	SAE	USA
SA-182 F 309H	AMS	USA
SA-213 TP309H	AMS	USA
SA-249 TP309H	AMS	USA
SA-312 TP309H	AMS	USA
SA-336 Grade F309H	AMS	USA
SA-479 Type 309H	AMS	USA
SA-965 Grade F309H	AMS	USA
A 240 S30909	SAE	USA
A 249 S30909	SAE	USA
A 965 S30909	SAE	USA
S30909	AISI	USA
SA-240 S30909	AMS	USA
SA-249 S30909	AMS	USA
SA-965 S30909	AMS	USA
A 213 TP309HCb	SAE	USA
A 240 Type 309HCb	SAE	USA
A 249 TP309HCb	SAE	USA
A 312 TP309HCb	SAE	USA
A 943 TP309HCb	SAE	USA
A 959 Type 309HCb	SAE	USA
SA-213 TP309HCb	AMS	USA
SA-240 309HCb	AMS	USA
SA-249 TP309HCb	AMS	USA
SA-312 TP309HCb	AMS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.08
Si		0.75
Mn		2.00
P		0.045
S		0.030
Cr	22.0	24.0
Ni	12.0	15.0

Mechanical Properties

Tensile strength	331～090	σb/MPa
Yield Strength	791	σ 0.2 ≥/MPa
Elongation	05	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	781～075	-
HRC	30	-

Physical Properties

Thermal expansion	28-24	e-6/K
Thermal conductivity	21-77	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2232-2614	째C
Density	9399-0842	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)
SA-240 Type 309H 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