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

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GBT 30CrMnSiA

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

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

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
ML30CrMnSiA	GBT	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	665～907	σb/MPa
Yield Strength	479	σ 0.2 ≥/MPa
Elongation	28	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	884～072	-
HRC	30	-

Physical Properties

Thermal expansion	16-39	e-6/K
Thermal conductivity	18-88	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4145-2965	째C
Density	0702-7384	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)
30CrMnSiA 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