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Q195 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Q195

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GBT Q195

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This page is mainly introduced the Q195 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Q195,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Q195

Steel Garde:Q195
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
Q195		China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	139～292	σb/MPa
Yield Strength	004	σ 0.2 ≥/MPa
Elongation	88	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	135～169	-
HRC	30	-

Physical Properties

Thermal expansion	70-19	e-6/K
Thermal conductivity	87-77	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3655-1137	째C
Density	3526-8305	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)
Q195 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