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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.
Product type: steel belt.
Delivery status: hot rolling.
Carbon structural steel and low alloy steel hot-rolled steel belt.

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

ITEM Standard Number Descriptions

1 YB 4028-1991 Carbon structural steel and low alloy steel hot-rolled steel belt
Application:Carbon structural steel and low alloy steel hot-rolled steel belt

ITEM	Standard Number	Descriptions
1	YB 4028-1991	Carbon structural steel and low alloy steel hot-rolled steel belt

Cross Reference Table(Equivalent Materials):

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

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）	Similar	Remarks
C		0.12
Si		0.3
Mn		0.5
P		0.035
S		0.04
Cr		0.3
Ni		0.3
Cu		0.3
N		0.0080

Mechanical Properties

Tensile strength	915～257	σb/MPa
Yield Strength	399	σ 0.2 ≥/MPa
Elongation	93	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	813～380	-
HRC	30	-

Physical Properties

Thermal expansion	09-31	e-6/K
Thermal conductivity	67-09	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7212-4138	째C
Density	7270-1367	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