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Q370q chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Q370q

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GBT Q370q

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This page is mainly introduced the Q370q chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Q370q,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Q370q

Steel Garde:Q370q
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
Q370q	GBT	China
Q370q	GBT	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	849～123	σb/MPa
Yield Strength	603	σ 0.2 ≥/MPa
Elongation	20	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	376～897	-
HRC	30	-

Physical Properties

Thermal expansion	65-58	e-6/K
Thermal conductivity	86-81	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3543-0387	째C
Density	7841-1778	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)
Q370q 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