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

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GBT 30CrMnSi

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

Steel Garde:30CrMnSi
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
30CrMnSiA	GBT	China
30CrMnSiNi2A	GBT	China
ML30CrMnSiA	GBT	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	826～588	σb/MPa
Yield Strength	989	σ 0.2 ≥/MPa
Elongation	54	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	464～313	-
HRC	30	-

Physical Properties

Thermal expansion	76-23	e-6/K
Thermal conductivity	42-44	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6205-6495	째C
Density	5230-9530	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)
30CrMnSi 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