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Q235GJZ-C chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Q235GJZ-C

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GBT Q235GJZ-C

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This page is mainly introduced the Q235GJZ-C chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Q235GJZ-C,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Q235GJZ-C

Steel Garde:Q235GJZ-C
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	483～720	σb/MPa
Yield Strength	524	σ 0.2 ≥/MPa
Elongation	38	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	870～610	-
HRC	30	-

Physical Properties

Thermal expansion	84-26	e-6/K
Thermal conductivity	43-54	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7392-8019	째C
Density	7531-1379	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)
Q235GJZ-C 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