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ISO H20 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO H20

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ISO ISO H20

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This page is mainly introduced the ISO H20 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO H20,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ISO standard heat-resisting alloy

Steel Garde:ISO H20
Type:Special Alloy
Country:ISO
Standard:ISO
Application:ISO standard heat-resisting alloy

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
H20	AFNOR	France
H20	AFNOR	France
M51	AFNOR	France
M51	AFNOR	France
08X10H20T2
10X11H20T3P
20X25H20C2	ГОСТ	Russia
ASTM CH20	AISI	USA
SWRCH20A	CNS	China
SWRCH20K	CNS	China
EN FeH20FU	EN	Euronorm
GH2018	GBT	China
GH2036	GBT	China
GH2038	GBT	China
10Xl1H20T2P(ЭИ696A)	ГОСТ	Russia

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	844～956	σb/MPa
Yield Strength	250	σ 0.2 ≥/MPa
Elongation	77	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	219～337	-
HRC	30	-

Physical Properties

Thermal expansion	91-83	e-6/K
Thermal conductivity	14-55	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3715-7724	째C
Density	0625-4705	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 H20 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