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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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YB 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.
Hot rolled wire rod .
For mild steel wire drawing with no twist accused of cold rolled coil rod.

Steel Garde:Q195
Type:Structural Steel
Country:China
Standard:YB
Standard Number:

ITEM Standard Number Descriptions

1 YB 4027-1991 Hot rolled wire rod
Application:Hot rolled wire rod

ITEM	Standard Number	Descriptions
1	YB 4027-1991	Hot rolled wire rod

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
Q195	GB	China
U11952	GB	China
Q195	GB/T	China
Q195	YB	China

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.06	0.12
Si	0.12	0.2
Mn	0.25	0.5
P		0.04
S		0.04
Cr		0.3
Ni		0.3
Cu		0.3
N		0.0080
As		0.08

Mechanical Properties

Tensile strength	274～446	σb/MPa
Yield Strength	904	σ 0.2 ≥/MPa
Elongation	08	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	369～160	-
HRC	30	-

Physical Properties

Thermal expansion	88-32	e-6/K
Thermal conductivity	96-61	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7544-9809	째C
Density	0708-9405	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 Structural Steel	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