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25MnCrSiil chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 25MnCrSiil

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STAS/SR 25MnCrSiil

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This page is mainly introduced the 25MnCrSiil chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 25MnCrSiil,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
25MnCrSiil

Steel Garde:25MnCrSiil
Type:Special Alloy
Country:Romania
Standard:STAS/SR
Application:Alloy structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	734～845	σb/MPa
Yield Strength	210	σ 0.2 ≥/MPa
Elongation	32	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	620～833	-
HRC	30	-

Physical Properties

Thermal expansion	98-52	e-6/K
Thermal conductivity	60-82	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5444-0490	째C
Density	3950-8431	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)
25MnCrSiil 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