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4Cr10Si2Mo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 4Cr10Si2Mo

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GB 4Cr10Si2Mo

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This page is mainly introduced the 4Cr10Si2Mo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 4Cr10Si2Mo,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
4Cr10Si2Mo

Steel Garde:4Cr10Si2Mo
Type:Stainless Steels
Country:China
Standard:GB

Standard Number:

ITEM	Standard Number	Descriptions
1	GB/T 1221 (1992)	Heat-resisting steel bars
2	GB/T 12773 (1991)	Valve steel bars for internal combustion engines - Technical requirements

Metallographic Structure:Martensite
Application:Heat-resisting steel bars

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.35	0.45
Si	1.90	2.60
Mn		0.70
P		0.035
S		0.60
Cr	9.00	10.50
Mo	0.70	0.90

Mechanical Properties

Tensile strength	626～442	σb/MPa
Yield Strength	818	σ 0.2 ≥/MPa
Elongation	19	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	681～726	-
HRC	30	-

Physical Properties

Thermal expansion	51-07	e-6/K
Thermal conductivity	45-61	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3542-3407	째C
Density	1570-3532	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)
4Cr10Si2Mo 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