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Q295 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Q295

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GBT Q295

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This page is mainly introduced the Q295 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Q295,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Q295

Steel Garde:Q295
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
Q295	GBT	China
Q295NH	GBT	China
Q295GNH	GBT	China
Q295GNHL	GBT	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	411～344	σb/MPa
Yield Strength	825	σ 0.2 ≥/MPa
Elongation	17	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	614～621	-
HRC	30	-

Physical Properties

Thermal expansion	16-83	e-6/K
Thermal conductivity	41-93	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6415-1130	째C
Density	7194-8997	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)
Q295 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