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Q215 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Q215

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GBT Q215

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This page is mainly introduced the Q215 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Q215,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Q215

Steel Garde:Q215
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
Q215		China
Q215 B		China
Q215	GBT	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	007～708	σb/MPa
Yield Strength	053	σ 0.2 ≥/MPa
Elongation	69	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	148～480	-
HRC	30	-

Physical Properties

Thermal expansion	53-09	e-6/K
Thermal conductivity	17-19	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4367-8306	째C
Density	6538-2853	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)
Q215 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