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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	031～565	σb/MPa
Yield Strength	293	σ 0.2 ≥/MPa
Elongation	69	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	521～559	-
HRC	30	-

Physical Properties

Thermal expansion	01-81	e-6/K
Thermal conductivity	89-42	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9259-0242	째C
Density	5233-4879	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