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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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GB/T 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.
Steel plate, steel strip, bar, ingot, blank (applicable).
Delivery status: hot rolling, controlled rolling, or normalizing

Steel Garde:Q195
Type:Structural Steel
Country:China
Standard:GB/T

Standard Number:

ITEM	Standard Number	Descriptions
1	GB/T 700-2006	This standard applies to steel product standards, technical specifications of the finished product chemical composition of the provisions of the allowable deviation.

Application:This standard applies to steel product standards, technical specifications of the finished product chemical composition of the provisions of the allowable deviation.

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
Q195	GB	China
U11952	GB	China
Q195	YB	China
Q195	YB	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	356～146	σb/MPa
Yield Strength	977	σ 0.2 ≥/MPa
Elongation	40	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	262～500	-
HRC	30	-

Physical Properties

Thermal expansion	52-40	e-6/K
Thermal conductivity	54-45	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3489-9899	째C
Density	2829-4653	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