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ISO H3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO H3

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ISO ISO H3

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This page is mainly introduced the ISO H3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO H3,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Heat-resistant steels

Steel Garde:ISO H3
Type:Stainless Steels
Country:International
Standard:ISO

Standard Number:

ITEM	Standard Number	Descriptions
1	ISO 4955	Heat-resistant steels
2	ISO 15510 (2010)	Stainless steels -- Chemical composition

Metallographic Structure:Ferrite
Application:Heat-resistant steels

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.12
Si	0.70	1.40
Mn		1.00
P		0.040
S		0.030
Cr	12.00	14.00
Ni		1.00
Al	0.70	1.20

Mechanical Properties

Tensile strength	452～235	σb/MPa
Yield Strength	778	σ 0.2 ≥/MPa
Elongation	72	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	078～558	-
HRC	30	-

Physical Properties

Thermal expansion	15-30	e-6/K
Thermal conductivity	64-90	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6402-8367	째C
Density	8053-2259	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 H3 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