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1Cr25Ni20Si2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1Cr25Ni20Si2

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GB 1Cr25Ni20Si2

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This page is mainly introduced the 1Cr25Ni20Si2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1Cr25Ni20Si2,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
1Cr25Ni20Si2

Steel Garde:1Cr25Ni20Si2
Type:Stainless Steels
Country:China
Standard:GB

Standard Number:

ITEM	Standard Number	Descriptions
1	GB 4238 (1992)	Heat-resisting steel sheets and plates
2	GB/T 1221 (1992)	Heat-resisting steel bars

Metallographic Structure:Austenite
Application:Heat-resisting steel sheets and plates

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.20
S	1.50	2.50
Mn		1.50
P		0.035
S		0.030
Ni	18.00	21.00
Cr	24.00	27.00

Mechanical Properties

Tensile strength	678～845	σb/MPa
Yield Strength	939	σ 0.2 ≥/MPa
Elongation	60	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	098～602	-
HRC	30	-

Physical Properties

Thermal expansion	20-36	e-6/K
Thermal conductivity	50-10	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8218-6845	째C
Density	0416-2727	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)
1Cr25Ni20Si2 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