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

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GBT 30Mn

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

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

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
30MnB5	UNE	Spain
30Mn2	GBT	China
ML30Mn	GBT	China
EN 30MnvS6	EN	Euronorm
EN 30MnB5	EN	Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	176～556	σb/MPa
Yield Strength	717	σ 0.2 ≥/MPa
Elongation	05	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	812～073	-
HRC	30	-

Physical Properties

Thermal expansion	71-13	e-6/K
Thermal conductivity	30-68	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2034-4369	째C
Density	1079-2406	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)
30Mn 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