Sitemap | E-mail:[email protected]

20MnG chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20MnG

Location » Home » Grades > Special Alloy > 20MnG

Contact

+86-13880247006

E-mail: [email protected]

GBT 20MnG

Profile

This page is mainly introduced the 20MnG chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20MnG,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
20MnG

Steel Garde:20MnG
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	502～292	σb/MPa
Yield Strength	890	σ 0.2 ≥/MPa
Elongation	24	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	809～083	-
HRC	30	-

Physical Properties

Thermal expansion	30-98	e-6/K
Thermal conductivity	37-18	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2045-9551	째C
Density	5597-3044	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)
20MnG 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