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

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GBT 30CrMoA

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

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

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
ML30CrMoA	GBT	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	619～567	σb/MPa
Yield Strength	478	σ 0.2 ≥/MPa
Elongation	25	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	151～969	-
HRC	30	-

Physical Properties

Thermal expansion	61-66	e-6/K
Thermal conductivity	60-83	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8948-5758	째C
Density	0164-6701	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)
30CrMoA 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