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ML30CrMnSiA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML30CrMnSiA

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GBT ML30CrMnSiA

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This page is mainly introduced the ML30CrMnSiA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML30CrMnSiA,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ML30CrMnSiA

Steel Garde:ML30CrMnSiA
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	260～649	σb/MPa
Yield Strength	877	σ 0.2 ≥/MPa
Elongation	09	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	200～446	-
HRC	30	-

Physical Properties

Thermal expansion	70-01	e-6/K
Thermal conductivity	92-07	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8215-5637	째C
Density	9811-1683	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)
ML30CrMnSiA 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