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

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This page is mainly introduced the A 959 Type 309 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 959 Type 309,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 309
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

Relevant products:

UNS K30960 Bright Round Bar

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 167 Type 309	SAE	USA
A 249 TP309	SAE	USA
A 276 309	SAE	USA
A 312 TP309	SAE	USA
A 314 309	SAE	USA
A 403 WP 309	SAE	USA
A 409 TP309	SAE	USA
A 473 309	SAE	USA
A 511 MT309	SAE	USA
A 554 MT 309	SAE	USA
A 580 Type 309	SAE	USA
A 813 Grade TP 309	SAE	USA
A 814 Grade TP 309	SAE	USA
A 167 S30900	SAE	USA
A 276 S30900	SAE	USA
A 314 S30900	SAE	USA
A 473 S30900	SAE	USA
A 580 S30900	SAE	USA
S30900	AISI	USA
309S	UNS	USA
309S	YB	USA
A 167 Type 309S	SAE	USA
A 213 TP309S	SAE	USA
A 240 Type 309S	SAE	USA
A 249 TP309S	SAE	USA
A 276 309S	SAE	USA
A 312 TP309S	SAE	USA
A 314 309S	SAE	USA
A 358 309S	SAE	USA
A 409 TP309S	SAE	USA
A 473 309S	SAE	USA
A 478 Type 309S	SAE	USA
A 479 309S	SAE	USA
A 511 MT309S	SAE	USA
A 554 MT 309S	SAE	USA
A 580 Type 309S	SAE	USA
A 813 Grade TP 309S	SAE	USA
A 814 Grade TP 309S	SAE	USA
A 943 TP309S	SAE	USA
A 240 S30908	SAE	USA
A 249 S30908	SAE	USA
A 276 S30908	SAE	USA
A 314 S30908	SAE	USA
A 358 S30908	SAE	USA
A 409 S30908	SAE	USA
A 473 S30908	SAE	USA
A 478 S30908	SAE	USA
A 580 S30908	SAE	USA
A 813 S30908	SAE	USA
A 814 S30908	SAE	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.20
Si		1.00
Mn		2.00
P		0.045
S		0.03
Cr	22.0	24.0
Ni	12.0	15.0

Mechanical Properties

Tensile strength	285～778	σb/MPa
Yield Strength	214	σ 0.2 ≥/MPa
Elongation	56	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	349～414	-
HRC	30	-

Physical Properties

Thermal expansion	34-24	e-6/K
Thermal conductivity	50-25	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0254-0871	째C
Density	4659-6170	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 309 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