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Q235 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Q235

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GBT Q235

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This page is mainly introduced the Q235 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Q235,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Q235

Steel Garde:Q235
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
Q235		China
Q235 B		China
Q235 C		China
Q235 D		China
Q235q C		China
Q235q D		China
Q235	GBT	China
Q235	GBT	China
Q235	GBT	China
Q235q	GBT	China
Q235q	GBT	China
Q235NH	GBT	China
Q235GJ-C	GBT	China
Q235GJ-D	GBT	China
Q235GJ-E	GBT	China
Q235GJZ-C	GBT	China
Q235GJZ-D	GBT	China
Q235GJZ-E	GBT	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	426～056	σb/MPa
Yield Strength	889	σ 0.2 ≥/MPa
Elongation	68	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	400～384	-
HRC	30	-

Physical Properties

Thermal expansion	15-90	e-6/K
Thermal conductivity	69-75	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2948-9652	째C
Density	3523-3589	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)
Q235 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