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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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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.

Steel Garde:Q215
Type:Special Alloy
Country:China
Application:Engineering and welding

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
Q215 B		China
Q215	GBT	China
Q215	GBT	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	132～481	σb/MPa
Yield Strength	704	σ 0.2 ≥/MPa
Elongation	10	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	489～409	-
HRC	30	-

Physical Properties

Thermal expansion	02-66	e-6/K
Thermal conductivity	51-16	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2540-1570	째C
Density	3514-8921	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