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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.
ISO standard thermal deformation of stainless steel

Steel Garde:ISO 9a
Type:Special Alloy
Country:ISO
Standard:ISO
Application:ISO standard thermal deformation of stainless steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
у9A-1	ГОСТ	Russia
у9A-1	ГОСТ	Russia
у9A-2	ГОСТ	Russia
у9A-2	ГОСТ	Russia
у9A-3	ГОСТ	Russia
у9A-3	ГОСТ	Russia
Z6CN19-09Az	AFNOR	France
Z53CMN21-09Az	AFNOR	France
Z53CMNS21-09Az	AFNOR	France
12X17P9AHl4	ГОСТ	Russia
55X20Γ9AH4	ГОСТ	Russia
ISO 19a	ISO	ISO
ISO 19aN	ISO	ISO
15Cr9AT	STAS/SR	Romania
SWRCH19A	CNS	China
SUP9A	CNS	China
STKM19A	CNS	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	186～249	σb/MPa
Yield Strength	120	σ 0.2 ≥/MPa
Elongation	99	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	914～789	-
HRC	30	-

Physical Properties

Thermal expansion	86-56	e-6/K
Thermal conductivity	87-11	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9009-3975	째C
Density	9970-1885	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 Special Alloy	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