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ISO H4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO H4

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ISO ISO H4

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This page is mainly introduced the ISO H4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO H4,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:ISO H4
Type:Stainless Steels
Country:International
Standard:ISO

Standard Number:

ITEM	Standard Number	Descriptions
1	ISO 15510 (2010)	Stainless steels -- Chemical composition
2	ISO 16143-1 (2004)	Stainless steels for general purposes -- Part 1: Flat products
3	ISO 16143-2 (2004)	Stainless steels for general purposes -- Part 2: Semi-finished products, bars, rods and sections
4	ISO 16143-3 (2005)	Stainless steels for general purposes -- Part 3: Wire
5	ISO 4955 (2005)	Heat-resistant steels
6	ISO 6931-2	Stainless steels for springs - Part 2: Narrow strip
7	ISO/TS 15510 (2003)	Stainless steels - Chemical composition

Metallographic Structure:Ferrite
Application:Stainless steels - Chemical composition

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.08
Si		1.00
Mn		1.00
P		0.040
S		0.030
Cr	16.00	18.00
Ni		1.00

Mechanical Properties

Tensile strength	239～470	σb/MPa
Yield Strength	340	σ 0.2 ≥/MPa
Elongation	69	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	135～638	-
HRC	30	-

Physical Properties

Thermal expansion	75-15	e-6/K
Thermal conductivity	45-29	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6398-5360	째C
Density	3301-5838	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 H4 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