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ML30Mn chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML30Mn

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GBT ML30Mn

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This page is mainly introduced the ML30Mn chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML30Mn,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ML30Mn

Steel Garde:ML30Mn
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	276～562	σb/MPa
Yield Strength	850	σ 0.2 ≥/MPa
Elongation	27	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	905～898	-
HRC	30	-

Physical Properties

Thermal expansion	89-58	e-6/K
Thermal conductivity	72-36	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3860-7470	째C
Density	7173-9176	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)
ML30Mn 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