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ISO H18 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO H18

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ISO ISO H18

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This page is mainly introduced the ISO H18 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO H18,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ISO standard Austenite size heat resistant steel

Steel Garde:ISO H18
Type:Special Alloy
Country:ISO
Standard:ISO
Application:ISO standard Austenite size heat resistant steel

Relevant products:

Incoloy800 round bar

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
10X23H18	ГОСТ	Russia
20X23H18	ГОСТ	Russia
SWRCH18A	CNS	China
SWRCH18K	CNS	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	590～409	σb/MPa
Yield Strength	886	σ 0.2 ≥/MPa
Elongation	55	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	836～151	-
HRC	30	-

Physical Properties

Thermal expansion	46-80	e-6/K
Thermal conductivity	23-70	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7576-6355	째C
Density	8963-4007	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 H18 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