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A2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A2

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A2 Profile
A2 Chemical composition
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A2 Physical Properties
A2 Heat treatment
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A2 Relevant products

Profile

This page is mainly introduced the A2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A2,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless steels - Chemical composition

Steel Garde:A2
Type:Stainless Steels
Country:International
Standard:ISO

Standard Number:

ITEM	Standard Number	Descriptions
1	ISO 15510 (2010)	Stainless steels -- Chemical composition
2	ISO 16143-1 (2004)	Stainless steels for general purposes -- Part 1: Flat products
3	ISO 16143-2 (2004)	Stainless steels for general purposes -- Part 2: Semi-finished products, bars, rods and sections
4	ISO/TS 15510 (2003)	Stainless steels - Chemical composition

Metallographic Structure:Austenite
Application:Stainless steels - Chemical composition

Relevant products:

1.4980/A286/660/1.2779

ASTM A269 TP304...

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 268 S40800	SAE	USA
A 959 S40800	SAE	USA
S40800	AISI	USA
SA-268 S40800	AMS	USA
NA2	B.S.	UK
NA20	B.S.	UK
NA21	B.S.	UK

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.15
Si		1.00
Mn	5.50	7.50
P		0.045
S		0.030
Cr	16.00	18.00
Ni	3.50	5.50
Mo
N	0.05	0.25

Mechanical Properties

Tensile strength	541～203	σb/MPa
Yield Strength	701	σ 0.2 ≥/MPa
Elongation	38	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	481～248	-
HRC	30	-

Physical Properties

Thermal expansion	78-85	e-6/K
Thermal conductivity	30-73	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0979-7277	째C
Density	0470-9642	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)
A2 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