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A 959 Type 302B chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 959 Type 302B

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SAE A 959 Type 302B

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This page is mainly introduced the A 959 Type 302B chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 959 Type 302B,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 302B
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
302B	YB	USA
A 167 Type 302B	SAE	USA
A 276 302B	SAE	USA
A 314 302B	SAE	USA
A 473 302B	SAE	USA
A 580 Type 302B	SAE	USA
SUS 302B	FED	Japan
A 167 S30215	SAE	USA
A 276 S30215	SAE	USA
A 314 S30215	SAE	USA
A 473 S30215	SAE	USA
A 580 S30215	SAE	USA
S30215	AISI	USA
STS302B	KS	Korea

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.15
Si	2.00	3.00
Mn		2.00
P		0.045
S		0.03
Cr	17.0	19.0
Ni	8.00	10.0

Mechanical Properties

Tensile strength	749～920	σb/MPa
Yield Strength	729	σ 0.2 ≥/MPa
Elongation	22	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	889～305	-
HRC	30	-

Physical Properties

Thermal expansion	55-56	e-6/K
Thermal conductivity	16-77	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1882-0252	째C
Density	1990-6205	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 302B 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