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A 959 Type 309H chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 959 Type 309H

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SAE A 959 Type 309H

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This page is mainly introduced the A 959 Type 309H chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 959 Type 309H,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

Steel Garde:A 959 Type 309H
Type:Stainless Steels
Country:USA
Standard:SAE
Standard Number:

ITEM Standard Number Descriptions

1 A 959 (2011) Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
Metallographic Structure:Austenite
Application:Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

ITEM	Standard Number	Descriptions
1	A 959 (2011)	Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

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 965 Grade F309H	SAE	USA
SA-182 F 309H	AMS	USA
SA-213 TP309H	AMS	USA
SA-240 Type 309H	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	567～575	σb/MPa
Yield Strength	729	σ 0.2 ≥/MPa
Elongation	49	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	370～134	-
HRC	30	-

Physical Properties

Thermal expansion	29-75	e-6/K
Thermal conductivity	13-26	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7407-9721	째C
Density	8003-6677	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)
A 959 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