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30MoCrNi20q chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 30MoCrNi20q

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STAS/SR 30MoCrNi20q

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This page is mainly introduced the 30MoCrNi20q chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 30MoCrNi20q,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
30MoCrNi20q

Steel Garde:30MoCrNi20q
Type:Special Alloy
Country:Romania
Standard:STAS/SR
Application:Alloy structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	679～390	σb/MPa
Yield Strength	578	σ 0.2 ≥/MPa
Elongation	44	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	344～615	-
HRC	30	-

Physical Properties

Thermal expansion	36-42	e-6/K
Thermal conductivity	31-13	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0734-7291	째C
Density	7392-8970	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)
30MoCrNi20q 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