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31MnCrSi11S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 31MnCrSi11S

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STAS/SR 31MnCrSi11S

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This page is mainly introduced the 31MnCrSi11S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 31MnCrSi11S,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
31MnCrSi11S

Steel Garde:31MnCrSi11S
Type:Special Alloy
Country:Romania
Standard:STAS/SR
Application:Alloy structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	687～752	σb/MPa
Yield Strength	803	σ 0.2 ≥/MPa
Elongation	61	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	640～334	-
HRC	30	-

Physical Properties

Thermal expansion	92-25	e-6/K
Thermal conductivity	48-71	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4400-6028	째C
Density	2079-1961	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)
31MnCrSi11S 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