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ISO 9A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO 9A

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ISO ISO 9A

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This page is mainly introduced the ISO 9A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO 9A,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:ISO 9A
Type:Stainless Steels
Country:International
Standard:ISO

Standard Number:

ITEM	Standard Number	Descriptions
1	ISO 15510 (2010)	Stainless steels -- Chemical composition
2	ISO/TS 15510 (2003)	Stainless steels - Chemical composition

Metallographic Structure:Martensite
Application:Stainless steels - Chemical composition

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.10	0.17
Si		1.00
Mn		1.50
P		0.040
S	0.15
Cr	16.00	18.00
Ni
Mo		0.06
N

Mechanical Properties

Tensile strength	571～173	σb/MPa
Yield Strength	370	σ 0.2 ≥/MPa
Elongation	35	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	043～280	-
HRC	30	-

Physical Properties

Thermal expansion	47-19	e-6/K
Thermal conductivity	14-47	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2250-2788	째C
Density	2343-0364	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)
ISO 9A 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