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31MnCrSi11 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 31MnCrSi11

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STAS/SR 31MnCrSi11

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This page is mainly introduced the 31MnCrSi11 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 31MnCrSi11,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
31MnCrSi11

Steel Garde:31MnCrSi11
Type:Special Alloy
Country:Romania
Standard:STAS/SR
Application:Alloy structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
31MnCrSi11S	STAS/SR	Romania
31MnCrSi11X	STAS/SR	Romania
31MnCrSi11XS	STAS/SR	Romania

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	148～695	σb/MPa
Yield Strength	251	σ 0.2 ≥/MPa
Elongation	32	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	028～810	-
HRC	30	-

Physical Properties

Thermal expansion	91-61	e-6/K
Thermal conductivity	14-34	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4481-7089	째C
Density	6797-4939	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)
31MnCrSi11 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