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T20CH30 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T20CH30

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STAS/SR T20CH30

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This page is mainly introduced the T20CH30 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T20CH30,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
T20CH30

Steel Garde:T20CH30
Type:Special Alloy
Country:Romania
Standard:STAS/SR
Application:Cast Steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	358～471	σb/MPa
Yield Strength	288	σ 0.2 ≥/MPa
Elongation	19	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	316～498	-
HRC	30	-

Physical Properties

Thermal expansion	28-92	e-6/K
Thermal conductivity	36-57	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0649-9217	째C
Density	4098-6702	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)
T20CH30 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