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ISO H7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO H7

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ISO ISO H7

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This page is mainly introduced the ISO H7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO H7,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ISO standard iron grain size heat resistant steel

Steel Garde:ISO H7
Type:Special Alloy
Country:ISO
Standard:ISO
Application:ISO standard iron grain size heat resistant steel

Relevant products:

XH78T Sheet & Strip

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
30X13H7C2	ГОСТ	Russia
09X17H7Ю
XH70Ю	ГОСТ	Russia
XH70MBTЮБ	ГОСТ	Russia
XH70BMЮT	ГОСТ	Russia
XH70BMTЮ	ГОСТ	Russia
XH70BMTЮΦ	ГОСТ	Russia
XH75MБTЮ	ГОСТ	Russia
XH75BMЮ	ГОСТ	Russia
XH77TЮP	ГОСТ	Russia
XH77TЮPy	ГОСТ	Russia
XH78T	ГОСТ	Russia
H70MΦ	ГОСТ	Russia
H70MΦB	ГОСТ	Russia
XH77TЮ(ЭИ437A)	ГОСТ	Russia

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	234～123	σb/MPa
Yield Strength	944	σ 0.2 ≥/MPa
Elongation	72	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	566～615	-
HRC	30	-

Physical Properties

Thermal expansion	94-66	e-6/K
Thermal conductivity	48-93	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6034-8965	째C
Density	8317-3755	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 H7 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