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X5CrNi18-9 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of X5CrNi18-9

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ISO X5CrNi18-9

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This page is mainly introduced the X5CrNi18-9 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of X5CrNi18-9,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:X5CrNi18-9
Type:Stainless Steels
Country:International
Standard:ISO

Standard Number:

ITEM	Standard Number	Descriptions
1	ISO 16143-1 (2004)	Stainless steels for general purposes -- Part 1: Flat products
2	ISO 16143-2 (2004)	Stainless steels for general purposes -- Part 2: Semi-finished products, bars, rods and sections
3	ISO 16143-3 (2005)	Stainless steels for general purposes -- Part 3: Wire
4	ISO 6931-2	Stainless steels for springs - Part 2: Narrow strip
5	ISO 9327-5	Steel forgings and rolled or forged bars for pressure purposes - Technical delivery conditions - Part 5: Stainless steels
6	ISO 9328-5	Steel plates and strips for pressure purposes - Technical delivery conditions - Part 5: Weldable fine grain steels, thermomechanically rolled
7	ISO 9329-4	Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 4: Austenitic stainless steels
8	ISO 9330-6	Welded steel tubes for pressure purposes - Technical delivery conditions - Part 6: Longitudinally welded austenitic stainless steel tubes
9	ISO/TS 15510 (2003)	Stainless steels - Chemical composition

Metallographic Structure:Austenite
Application:Stainless steels - Chemical composition

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
X5CrNi18 9E	ISO	International
X5CrNi18-9	ISO	International
X5CrNi18-9	ISO	International

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.07
Si		1.00
Mn		2.00
P		0.045
S		0.030
Cr	17.00	19.50
Ni	8.00	10.50
Mo
N		0.11

Mechanical Properties

Tensile strength	636～781	σb/MPa
Yield Strength	473	σ 0.2 ≥/MPa
Elongation	35	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	904～227	-
HRC	30	-

Physical Properties

Thermal expansion	84-38	e-6/K
Thermal conductivity	20-10	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7405-0251	째C
Density	9721-5133	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)
X5CrNi18-9 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